- Dec 06, 2023
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The VMD driver calls pci_enabled_link_state as a callback from pci_bus_walk. Both will acquire the pci_bus_sem lock leading to a lockdep warning. Add an argument to pci_enable_link_state to set whether the lock should be acquired. In the VMD driver, set the argument to false since the lock will already be obtained by pci_bus_walk. Still, review comments needs to be addressed. However, this fix is helping to unblock CI execution for now. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8316 Reported-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Fixes: de82f60f ("PCI/ASPM: Add pci_enable_link_state()") Link: https://lore.kernel.org/linux-pci/ZBjko%2FifunIwsK2v@intel.com/ Signed-off-by:
David E. Box <david.e.box@linux.intel.com> Signed-off-by:
Swati Sharma <swati2.sharma@intel.com> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230330121135.15414-1-swati2.sharma@intel.com
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References: https://gitlab.freedesktop.org/drm/intel/-/issues/8047 Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2874 Signed-off-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
Joonas Lahtinen <joonas.lahtinen@intel.com>
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References: https://gitlab.freedesktop.org/drm/intel/-/issues/8046 Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2805 Signed-off-by:
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Audio component in i915 is not hooked up yet causing long timeouts and angry abortive CI. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8045 Signed-off-by:
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References: https://gitlab.freedesktop.org/drm/intel/-/issues/8043 Signed-off-by:
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We inadvertently create a dependency on mmap_sem with a whole chain. This breaks any user who wants to take a lock and call rcu_barrier(), while also taking that lock inside mmap_sem: <4> [604.892532] ====================================================== <4> [604.892534] WARNING: possible circular locking dependency detected <4> [604.892536] 5.6.0-rc7-CI-Patchwork_17096+ #1 Tainted: G U <4> [604.892537] ------------------------------------------------------ <4> [604.892538] kms_frontbuffer/2595 is trying to acquire lock: <4> [604.892540] ffffffff8264a558 (rcu_state.barrier_mutex){+.+.}, at: rcu_barrier+0x23/0x190 <4> [604.892547] but task is already holding lock: <4> [604.892547] ffff888484716050 (reservation_ww_class_mutex){+.+.}, at: i915_gem_object_pin_to_display_plane+0x89/0x270 [i915] <4> [604.892592] which lock already depends on the new lock. <4> [604.892593] the existing dependency chain (in reverse order) is: <4> [604.892594] -> #6 (reservation_ww_class_mutex){+.+.}: <4> [604.892597] __ww_mutex_lock.constprop.15+0xc3/0x1090 <4> [604.892598] ww_mutex_lock+0x39/0x70 <4> [604.892600] dma_resv_lockdep+0x10e/0x1f5 <4> [604.892602] do_one_initcall+0x58/0x300 <4> [604.892604] kernel_init_freeable+0x17b/0x1dc <4> [604.892605] kernel_init+0x5/0x100 <4> [604.892606] ret_from_fork+0x24/0x50 <4> [604.892607] -> #5 (reservation_ww_class_acquire){+.+.}: <4> [604.892609] dma_resv_lockdep+0xec/0x1f5 <4> [604.892610] do_one_initcall+0x58/0x300 <4> [604.892610] kernel_init_freeable+0x17b/0x1dc <4> [604.892611] kernel_init+0x5/0x100 <4> [604.892612] ret_from_fork+0x24/0x50 <4> [604.892613] -> #4 (&mm->mmap_sem#2){++++}: <4> [604.892615] __might_fault+0x63/0x90 <4> [604.892617] _copy_to_user+0x1e/0x80 <4> [604.892619] perf_read+0x200/0x2b0 <4> [604.892621] vfs_read+0x96/0x160 <4> [604.892622] ksys_read+0x9f/0xe0 <4> [604.892623] do_syscall_64+0x4f/0x220 <4> [604.892624] entry_SYSCALL_64_after_hwframe+0x49/0xbe <4> [604.892625] -> #3 (&cpuctx_mutex){+.+.}: <4> [604.892626] __mutex_lock+0x9a/0x9c0 <4> [604.892627] perf_event_init_cpu+0xa4/0x140 <4> [604.892629] perf_event_init+0x19d/0x1cd <4> [604.892630] start_kernel+0x362/0x4e4 <4> [604.892631] secondary_startup_64+0xa4/0xb0 <4> [604.892631] -> #2 (pmus_lock){+.+.}: <4> [604.892633] __mutex_lock+0x9a/0x9c0 <4> [604.892633] perf_event_init_cpu+0x6b/0x140 <4> [604.892635] cpuhp_invoke_callback+0x9b/0x9d0 <4> [604.892636] _cpu_up+0xa2/0x140 <4> [604.892637] do_cpu_up+0x61/0xa0 <4> [604.892639] smp_init+0x57/0x96 <4> [604.892639] kernel_init_freeable+0x87/0x1dc <4> [604.892640] kernel_init+0x5/0x100 <4> [604.892642] ret_from_fork+0x24/0x50 <4> [604.892642] -> #1 (cpu_hotplug_lock.rw_sem){++++}: <4> [604.892643] cpus_read_lock+0x34/0xd0 <4> [604.892644] rcu_barrier+0xaa/0x190 <4> [604.892645] kernel_init+0x21/0x100 <4> [604.892647] ret_from_fork+0x24/0x50 <4> [604.892647] -> #0 (rcu_state.barrier_mutex){+.+.}: <4> [604.892649] __lock_acquire+0x1328/0x15d0 <4> [604.892650] lock_acquire+0xa7/0x1c0 <4> [604.892651] __mutex_lock+0x9a/0x9c0 <4> [604.892652] rcu_barrier+0x23/0x190 <4> [604.892680] i915_gem_object_unbind+0x29d/0x3f0 [i915] <4> [604.892707] i915_gem_object_pin_to_display_plane+0x141/0x270 [i915] <4> [604.892737] intel_pin_and_fence_fb_obj+0xec/0x1f0 [i915] <4> [604.892767] intel_plane_pin_fb+0x3f/0xd0 [i915] <4> [604.892797] intel_prepare_plane_fb+0x13b/0x5c0 [i915] <4> [604.892798] drm_atomic_helper_prepare_planes+0x85/0x110 <4> [604.892827] intel_atomic_commit+0xda/0x390 [i915] <4> [604.892828] drm_atomic_helper_set_config+0x57/0xa0 <4> [604.892830] drm_mode_setcrtc+0x1c4/0x720 <4> [604.892830] drm_ioctl_kernel+0xb0/0xf0 <4> [604.892831] drm_ioctl+0x2e1/0x390 <4> [604.892833] ksys_ioctl+0x7b/0x90 <4> [604.892835] __x64_sys_ioctl+0x11/0x20 <4> [604.892835] do_syscall_64+0x4f/0x220 <4> [604.892836] entry_SYSCALL_64_after_hwframe+0x49/0xbe <4> [604.892837] Changes since v1: - Use (*values)[n++] in perf_read_one(). Changes since v2: - Centrally allocate values. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8042 Signed-off-by:Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200502171413.9133-1-chris@chris-wilson.co.uk Signed-off-by:
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If the MSI is already enabled, trying to enable it again results in an -EINVAL and on the first attempt a WARN. That WARN causes our CI to abort the run [on each first attempt to suspend]: <4> [463.142025] WARNING: CPU: 0 PID: 2225 at drivers/pci/msi.c:1074 __pci_enable_msi_range+0x3cb/0x420 <4> [463.142026] Modules linked in: snd_hda_intel i915 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_intel_dspcfg ghash_clmulni_intel snd_hda_codec btusb btrtl btbcm btintel e1000e bluetooth snd_hwdep snd_hda_core ptp ecdh_generic snd_pcm ecc pps_core mei_me mei prime_numbers [last unloaded: i915] <4> [463.142045] CPU: 0 PID: 2225 Comm: kworker/u8:14 Tainted: G U 5.7.0-rc2-CI-CI_DRM_8350+ #1 <4> [463.142046] Hardware name: Intel Corporation NUC7i5BNH/NUC7i5BNB, BIOS BNKBL357.86A.0060.2017.1214.2013 12/14/2017 <4> [463.142049] Workqueue: events_unbound async_run_entry_fn <4> [463.142051] RIP: 0010:__pci_enable_msi_range+0x3cb/0x420 <4> [463.142053] Code: 76 58 49 8d 56 48 48 89 df e8 31 73 fd ff e9 20 fe ff ff 31 f6 48 89 df e8 c2 e9 fd ff e9 d6 fe ff ff 45 89 fc e9 1a ff ff ff <0f> 0b 41 bc ea ff ff ff e9 0d ff ff ff 41 bc ea ff ff ff e9 02 ff <4> [463.142054] RSP: 0018:ffffc90000593cd0 EFLAGS: 00010202 <4> [463.142056] RAX: 0000000000000010 RBX: ffff888274051000 RCX: 0000000000000000 <4> [463.142057] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff888274051000 <4> [463.142058] RBP: ffff888238aa1018 R08: 0000000000000001 R09: 0000000000000001 <4> [463.142060] R10: ffffc90000593d90 R11: 00000000c79cdfd5 R12: ffff8882740510b0 <4> [463.142061] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 <4> [463.142062] FS: 0000000000000000(0000) GS:ffff888276c00000(0000) knlGS:0000000000000000 <4> [463.142064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4> [463.142065] CR2: 000055706f347d80 CR3: 0000000005610003 CR4: 00000000003606f0 <4> [463.142066] Call Trace: <4> [463.142073] pci_enable_msi+0x11/0x20 <4> [463.142077] azx_resume+0x1ab/0x200 [snd_hda_intel] <4> [463.142080] ? pci_pm_thaw+0x80/0x80 <4> [463.142084] dpm_run_callback+0x64/0x280 <4> [463.142089] device_resume+0xd4/0x1c0 <4> [463.142093] ? dpm_watchdog_set+0x60/0 While this would appear to be a bug in snd-hda, it does appear inconsequential, at least for gfx-ci. Downgrade the warning to an info, like the other already-enabled error for MSI-X. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8041 Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1687 Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200423082753.3899018-1-chris@chris-wilson.co.uk Signed-off-by:
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Remove copious amounts of ./include/uapi/linux/perf_event.h:147:56: warning: cast truncates bits from constant value (8000000000000000 becomes 0) as they are drowning out our warnings. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8039 Signed-off-by:
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Since the kernel now used hashed pointers for raw addresses, it is very hard to guage the relative placement within a section, and since the hash value will never match up with any contents, using it provides no information relevant for slab debugging. Show the relative offset into each section, so that some reference for the hexdump is provided. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8038 Signed-off-by:
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We can't allow spam in CI. Update 26th June 2018: This is still an issue: Update 23rd May 2019: You guessed it, still ocurring. [ 224.739686] ------------[ cut here ]------------ [ 224.739712] WARNING: CPU: 3 PID: 2982 at net/sched/sch_generic.c:461 dev_watchdog+0x1fd/0x210 [ 224.739714] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_pcm i915 asix usbnet mii mei_me mei prime_numbers i2c_hid pinctrl_sunrisepoint pinctrl_intel btusb btrtl btbcm btintel bluetooth ecdh_generic [ 224.739775] CPU: 3 PID: 2982 Comm: gem_exec_suspen Tainted: G U W 4.18.0-rc2-CI-Patchwork_9414+ #1 [ 224.739777] Hardware name: Dell Inc. XPS 13 9350/, BIOS 1.4.12 11/30/2016 [ 224.739780] RIP: 0010:dev_watchdog+0x1fd/0x210 [ 224.739781] Code: 49 63 4c 24 f0 eb 92 4c 89 ef c6 05 21 46 ad 00 01 e8 77 ee fc ff 89 d9 48 89 c2 4c 89 ee 48 c7 c7 88 4c 14 82 e8 a3 fe 84 ff <0f> 0b eb be 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 c7 47 [ 224.739866] RSP: 0018:ffff88027dd83e40 EFLAGS: 00010286 [ 224.739869] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000102 [ 224.739871] RDX: 0000000080000102 RSI: ffffffff820c8c6c RDI: 00000000ffffffff [ 224.739873] RBP: ffff8802644c1540 R08: 0000000071be9b33 R09: 0000000000000000 [ 224.739874] R10: ffff88027dd83dc0 R11: 0000000000000000 R12: ffff8802644c1588 [ 224.739876] R13: ffff8802644c1160 R14: 0000000000000001 R15: ffff88026a5dc728 [ 224.739878] FS: 00007f18f4887980(0000) GS:ffff88027dd80000(0000) knlGS:0000000000000000 [ 224.739880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 224.739881] CR2: 00007f4c627ae548 CR3: 000000022ca1a002 CR4: 00000000003606e0 [ 224.739883] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 224.739885] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 224.739886] Call Trace: [ 224.739888] <IRQ> [ 224.739892] ? qdisc_reset+0xe0/0xe0 [ 224.739894] ? qdisc_reset+0xe0/0xe0 [ 224.739897] call_timer_fn+0x93/0x360 [ 224.739903] expire_timers+0xc1/0x1d0 [ 224.739908] run_timer_softirq+0xc7/0x170 [ 224.739916] __do_softirq+0xd9/0x505 [ 224.739923] irq_exit+0xa9/0xc0 [ 224.739926] smp_apic_timer_interrupt+0x9c/0x2d0 [ 224.739929] apic_timer_interrupt+0xf/0x20 [ 224.739931] </IRQ> [ 224.739934] RIP: 0010:delay_tsc+0x2e/0xb0 [ 224.739936] Code: 49 89 fc 55 53 bf 01 00 00 00 e8 6d 2c 78 ff e8 88 9d b6 ff 41 89 c5 0f ae e8 0f 31 48 c1 e2 20 48 09 c2 48 89 d5 eb 16 f3 90 <bf> 01 00 00 00 e8 48 2c 78 ff e8 63 9d b6 ff 44 39 e8 75 36 0f ae [ 224.740021] RSP: 0018:ffffc900002f7d48 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 224.740024] RAX: 0000000080000000 RBX: 0000000649565ca9 RCX: 0000000000000001 [ 224.740026] RDX: 0000000080000001 RSI: ffffffff820c8c6c RDI: 00000000ffffffff [ 224.740027] RBP: 00000006493ea9ce R08: 000000005e81e2ee R09: 0000000000000000 [ 224.740029] R10: 0000000000000120 R11: 0000000000000000 R12: 00000000002ad8d6 [ 224.740030] R13: 0000000000000003 R14: 0000000000000004 R15: ffff88025caf5408 [ 224.740040] ? delay_tsc+0x66/0xb0 [ 224.740045] hibernation_debug_sleep+0x1c/0x30 [ 224.740048] hibernation_snapshot+0x2c1/0x690 [ 224.740053] hibernate+0x142/0x2a4 [ 224.740057] state_store+0xd0/0xe0 [ 224.740063] kernfs_fop_write+0x104/0x190 [ 224.740068] __vfs_write+0x31/0x180 [ 224.740072] ? rcu_read_lock_sched_held+0x6f/0x80 [ 224.740075] ? rcu_sync_lockdep_assert+0x29/0x50 [ 224.740078] ? __sb_start_write+0x152/0x1f0 [ 224.740080] ? __sb_start_write+0x168/0x1f0 [ 224.740084] vfs_write+0xbd/0x1a0 [ 224.740088] ksys_write+0x50/0xc0 [ 224.740094] do_syscall_64+0x55/0x190 [ 224.740097] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.740099] RIP: 0033:0x7f18f400a281 [ 224.740100] Code: c3 0f 1f 84 00 00 00 00 00 48 8b 05 59 8d 20 00 c3 0f 1f 84 00 00 00 00 00 8b 05 8a d1 20 00 85 c0 75 16 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53 [ 224.740186] RSP: 002b:00007fffd1f4fec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 224.740189] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f18f400a281 [ 224.740190] RDX: 0000000000000004 RSI: 00007f18f448069a RDI: 0000000000000006 [ 224.740192] RBP: 00007fffd1f4fef0 R08: 0000000000000000 R09: 0000000000000000 [ 224.740194] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e795d03400 [ 224.740195] R13: 00007fffd1f50500 R14: 0000000000000000 R15: 0000000000000000 [ 224.740205] irq event stamp: 1582591 [ 224.740207] hardirqs last enabled at (1582590): [<ffffffff810f9f9c>] vprintk_emit+0x4bc/0x4d0 [ 224.740210] hardirqs last disabled at (1582591): [<ffffffff81a0111c>] error_entry+0x7c/0x100 [ 224.740212] softirqs last enabled at (1582568): [<ffffffff81c0034f>] __do_softirq+0x34f/0x505 [ 224.740215] softirqs last disabled at (1582571): [<ffffffff8108c959>] irq_exit+0xa9/0xc0 [ 224.740218] WARNING: CPU: 3 PID: 2982 at net/sched/sch_generic.c:461 dev_watchdog+0x1fd/0x210 [ 224.740219] ---[ end trace 6e41d690e611c338 ]--- References: https://gitlab.freedesktop.org/drm/intel/-/issues/8037 References: https://bugzilla.kernel.org/show_bug.cgi?id=196399 Acked-by:
Martin Peres <martin.peres@linux.intel.com> Cc: Martin Peres <martin.peres@linux.intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170718082110.12524-1-daniel.vetter@ffwll.ch Signed-off-by:
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References: https://gitlab.freedesktop.org/drm/intel/-/issues/8036 Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2781 [danvet: Rebase] Signed-off-by:
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There's the soft/hardlookup_panic sysctls, but that's a bit an extreme measure. As a fallback taint at least the machine. Our CI uses this to decide when a reboot is necessary, plus to figure out whether the kernel is still happy. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8035 Signed-off-by:
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There's the hung_task_panic sysctl, but that's a bit an extreme measure. As a fallback taint at least the machine. Our CI uses this to decide when a reboot is necessary, plus to figure out whether the kernel is still happy. v2: Works much better when I put the else { add_taint() } at the right place. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8034 Signed-off-by: -
Work around the following boot time crash: [ 10.456056] CPU: 1 PID: 220 Comm: systemd-udevd Tainted: G W 4.17.0-rc7-CI-CI_DRM_4040+ #182 [ 10.465828] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS +ICLSFWR1.R00.2204.A00.1805172221 05/17/2018 [ 10.479168] RIP: 0010:acpi_ps_complete_this_op+0xa7/0x22a [ 10.484627] RSP: 0018:ffffc900003a7578 EFLAGS: 00010202 [ 10.489881] RAX: 6b6b6b6b6b6b6b6b RBX: ffff8804abeda9c8 RCX: 0000000000000020 [ 10.497045] RDX: 0000000000000000 RSI: ffff88049e604a68 RDI: 0000000000000000 [ 10.504213] RBP: 0000000000000000 R08: ffff8804abeda9c8 R09: 0000000000000000 [ 10.511376] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000000e [ 10.518542] R13: ffff88049e604a68 R14: ffff88049e604a68 R15: ffffffffa00263c2 [ 10.525713] FS: 00007ff6d85f18c0(0000) GS:ffff8804be880000(0000) knlGS:0000000000000000 [ 10.533839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.539616] CR2: 00007ff6d73cff40 CR3: 000000049f794001 CR4: 0000000000760ee0 [ 10.546783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.553949] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.561112] PKRU: 55555554 [ 10.563849] Call Trace: [ 10.566323] acpi_ps_complete_op+0x49/0x3f1 [ 10.570537] acpi_ps_parse_loop+0x94c/0x9bb [ 10.574754] ? acpi_ds_delete_walk_state+0x113/0x131 [ 10.579750] acpi_ps_parse_aml+0x1a2/0x4af [ 10.583875] acpi_ps_execute_method+0x1e9/0x2a5 [ 10.588435] acpi_ns_evaluate+0x2e4/0x42c [ 10.592473] acpi_evaluate_object+0x1fd/0x3a8 [ 10.596873] usb_acpi_find_companion+0xee/0x1f0 [usbcore] [ 10.602319] acpi_platform_notify+0x33/0xa0 [ 10.606532] device_add+0x197/0x600 [ 10.610048] ? __init_waitqueue_head+0x36/0x50 [ 10.614529] usb_hub_create_port_device+0x11d/0x340 [usbcore] [ 10.620314] hub_probe+0x9a5/0x1010 [usbcore] [ 10.624701] ? _raw_spin_unlock_irqrestore+0x51/0x60 [ 10.629730] usb_probe_interface+0x13f/0x300 [usbcore] [ 10.634900] driver_probe_device+0x302/0x470 [ 10.639198] ? __driver_attach+0xe0/0xe0 [ 10.643147] bus_for_each_drv+0x59/0x90 [ 10.647013] __device_attach+0xb7/0x130 [ 10.650878] bus_probe_device+0x9c/0xb0 [ 10.654745] device_add+0x3c5/0x600 [ 10.658270] usb_set_configuration+0x540/0x880 [usbcore] [ 10.663621] generic_probe+0x28/0x80 [usbcore] [ 10.668097] driver_probe_device+0x302/0x470 [ 10.672393] ? __driver_attach+0xe0/0xe0 [ 10.676346] bus_for_each_drv+0x59/0x90 [ 10.680211] __device_attach+0xb7/0x130 [ 10.684076] bus_probe_device+0x9c/0xb0 [ 10.687940] device_add+0x3c5/0x600 [ 10.691464] usb_new_device+0x269/0x490 [usbcore] [ 10.696206] usb_add_hcd+0x558/0x850 [usbcore] [ 10.700682] xhci_pci_probe+0x13d/0x240 [xhci_pci] [ 10.705534] pci_device_probe+0xa1/0x130 [ 10.709484] driver_probe_device+0x302/0x470 [ 10.713784] __driver_attach+0xb9/0xe0 [ 10.717562] ? driver_probe_device+0x470/0x470 [ 10.722033] ? driver_probe_device+0x470/0x470 [ 10.726505] bus_for_each_dev+0x64/0x90 [ 10.730370] ? preempt_count_sub+0x92/0xd0 [ 10.734495] bus_add_driver+0x164/0x260 [ 10.738362] ? 0xffffffffa004e000 [ 10.741704] driver_register+0x57/0xc0 [ 10.745482] ? 0xffffffffa004e000 [ 10.748824] do_one_initcall+0x4a/0x350 [ 10.752690] ? do_init_module+0x22/0x20a [ 10.756643] ? rcu_read_lock_sched_held+0x74/0x80 [ 10.761377] ? kmem_cache_alloc_trace+0x284/0x2e0 [ 10.766114] do_init_module+0x5b/0x20a [ 10.769895] load_module+0x250d/0x2b20 [ 10.773678] ? kernel_read+0x2c/0x40 [ 10.777285] ? __se_sys_finit_module+0xaa/0xc0 [ 10.781759] __se_sys_finit_module+0xaa/0xc0 [ 10.786061] do_syscall_64+0x54/0x190 [ 10.789752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 10.794831] RIP: 0033:0x7ff6d74664d9 [ 10.798430] RSP: 002b:00007ffd91e7dd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.806033] RAX: ffffffffffffffda RBX: 0000560519bfae20 RCX: 00007ff6d74664d9 [ 10.813195] RDX: 0000000000000000 RSI: 00007ff6d795ce23 RDI: 000000000000000e [ 10.820360] RBP: 00007ff6d795ce23 R08: 0000000000000000 R09: 0000000000000000 [ 10.827523] R10: 000000000000000e R11: 0000000000000246 R12: 0000000000000000 [ 10.834690] R13: 0000560519bf9a30 R14: 0000000000020000 R15: 000000000aba9500 [ 10.841862] Code: c2 10 5f ea 81 48 c7 c6 f0 5e ea 81 bf 7c 00 00 00 e8 0d 7c 00 00 31 ed e9 88 01 00 00 48 8b 03 31 ed 48 85 c0 +0f 84 e9 00 00 00 <4c> 8b 60 28 4d 85 e4 0f 84 dc 00 00 00 0f b7 78 0a e8 62 fe ff [ 10.860832] RIP: acpi_ps_complete_this_op+0xa7/0x22a RSP: ffffc900003a7578 [ 10.867907] ---[ end trace 3a0d2ee1129bc71e ]--- References: https://gitlab.freedesktop.org/drm/intel/-/issues/8033 Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
Imre Deak <imre.deak@intel.com> Tested-by:
Tomi Sarvela <tomi.p.sarvela@intel.com> Signed-off-by:
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References: https://gitlab.freedesktop.org/drm/intel/-/issues/8032 Signed-off-by:
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Under CI testing, it is common for the cpus to overheat with the continuous workloads and end up being throttled. As the cpus still function, it is less of a critical error meriting urgent action, but an expected yet significant condition (pr_note). References: https://gitlab.freedesktop.org/drm/intel/-/issues/8031 Signed-off-by:
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Most systems keep the last messages from the panic, and we value the stacktrace most, so dump it last in order to preserve it for post-mortems. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8030 Signed-off-by:
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We have recently turned on ftrace-dump-on-oops for i915's CI and an issue we have encountered is that the trace buffer size greatly exceeds the pstore capabilities; we get the tail of the oops but not the introduction. Currently the global buffer size is controllable on the cmdline, but at the request of our CI sysadmin, we would like to add a control to the Kconfig as well. The rationale being the cmdline carries the temporary hacks that we want to eradicate, and we want to track the permanent configuration in .config. I have kept the Kconfig option hidden from the user as the default should suffice for the majority of users; reserving the configuration for those that eschew the cmdline option. v2: Add an expert prompt to stop the default value overriding .config changes. References: https://gitlab.freedesktop.org/drm/intel/-/issues/8029 Signed-off-by:
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As a lockmap takes a reference for every ww_mutex used together, this can be an arbitrarily large number and under control of userspace -- easily overflowing the arbitrary limit of 4096. However, the pin_count (used for detecting unexpected lock dropping) is a full 32b despite nesting being extremely rare (see lockdep_pin_lock). References: https://gitlab.freedesktop.org/drm/intel/-/issues/8028 Signed-off-by:
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- Dec 03, 2023
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Linus Torvalds authored
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull smb client fixes from Steve French: - Two fallocate fixes - Fix warnings from new gcc - Two symlink fixes * tag 'v6.7-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: smb: client, common: fix fortify warnings cifs: Fix FALLOC_FL_INSERT_RANGE by setting i_size after EOF moved cifs: Fix FALLOC_FL_ZERO_RANGE by setting i_size if EOF moved smb: client: report correct st_size for SMB and NFS symlinks smb: client: fix missing mode bits for SMB symlinks
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Linus Torvalds authored
Merge tag 'firewire-fixes-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire fix from Takashi Sakamoto: "A single patch to fix long-standing issue of memory leak at failure of device registration for fw_unit. We rarely encounter the issue, but it should be applied to stable releases, since it fixes inappropriate API usage" * tag 'firewire-fixes-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: core: fix possible memory leak in create_units()
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- Dec 02, 2023
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - Fix corruption of f0/vs0 during FP/Vector save, seen as userspace crashes when using io-uring workers (in particular with MariaDB) - Fix KVM_RUN potentially clobbering all host userspace FP/Vector registers Thanks to Timothy Pearson, Jens Axboe, and Nicholas Piggin. * tag 'powerpc-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: KVM: PPC: Book3S HV: Fix KVM_RUN clobbering FP/VEC user registers powerpc: Don't clobber f0/vs0 during fp|altivec register save
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https://github.com/awilliam/linux-vfioLinus Torvalds authored
Pull vfio fixes from Alex Williamson: - Fix the lifecycle of a mutex in the pds variant driver such that a reset prior to opening the device won't find it uninitialized. Implement the release path to symmetrically destroy the mutex. Also switch a different lock from spinlock to mutex as the code path has the potential to sleep and doesn't need the spinlock context otherwise (Brett Creeley) - Fix an issue detected via randconfig where KVM tries to symbol_get an undeclared function. The symbol is temporarily declared unconditionally here, which resolves the problem and avoids churn relative to a series pending for the next merge window which resolves some of this symbol ugliness, but also fixes Kconfig dependencies (Sean Christopherson) * tag 'vfio-v6.7-rc4' of https://github.com/awilliam/linux-vfio: vfio: Drop vfio_file_iommu_group() stub to fudge around a KVM wart vfio/pds: Fix possible sleep while in atomic context vfio/pds: Fix mutex lock->magic != lock warning
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fixes from Juergen Gross: - A fix for the Xen event driver setting the correct return value when experiencing an allocation failure - A fix for allocating space for a struct in the percpu area to not cross page boundaries (this one is for x86, a similar one for Arm was already in the pull request for rc3) * tag 'for-linus-6.7a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/events: fix error code in xen_bind_pirq_msi_to_irq() x86/xen: fix percpu vcpu_info allocation
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Linus Torvalds authored
Merge tag 'probes-fixes-v6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull probes fixes from Masami Hiramatsu: - objpool: Fix objpool overrun case on memory/cache access delay especially on the big.LITTLE SoC. The objpool uses a copy of object slot index internal loop, but the slot index can be changed on another processor in parallel. In that case, the difference of 'head' local copy and the 'slot->last' index will be bigger than local slot size. In that case, we need to re-read the slot::head to update it. - kretprobe: Fix to use appropriate rcu API for kretprobe holder. Since kretprobe_holder::rp is RCU managed, it should use rcu_assign_pointer() and rcu_dereference_check() correctly. Also adding __rcu tag for finding wrong usage by sparse. - rethook: Fix to use appropriate rcu API for rethook::handler. The same as kretprobe, rethook::handler is RCU managed and it should use rcu_assign_pointer() and rcu_dereference_check(). This also adds __rcu tag for finding wrong usage by sparse. * tag 'probes-fixes-v6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rethook: Use __rcu pointer for rethook::handler kprobes: consistent rcu api usage for kretprobe holder lib: objpool: fix head overrun on RK3588 SBC
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael Wysocki: "These fix issues in two cpufreq drivers, in the AMD P-state driver and in the power-capping DTPM framework. Specifics: - Fix the AMD P-state driver's EPP sysfs interface in the cases when the performance governor is in use (Ayush Jain) - Make the ->fast_switch() callback in the AMD P-state driver return the target frequency as expected (Gautham R. Shenoy) - Allow user space to control the range of frequencies to use via scaling_min_freq and scaling_max_freq when AMD P-state driver is in use (Wyes Karny) - Prevent power domains needed for wakeup signaling from being turned off during system suspend on Qualcomm systems and prevent performance states votes from runtime-suspended devices from being lost across a system suspend-resume cycle in qcom-cpufreq-nvmem (Stephan Gerhold) - Fix disabling the 792 Mhz OPP in the imx6q cpufreq driver for the i.MX6ULL types that can run at that frequency (Christoph Niedermaier) - Eliminate unnecessary and harmful conversions to uW from the DTPM (dynamic thermal and power management) framework (Lukasz Luba)" * tag 'pm-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq/amd-pstate: Only print supported EPP values for performance governor cpufreq/amd-pstate: Fix scaling_min_freq and scaling_max_freq update powercap: DTPM: Fix unneeded conversions to micro-Watts cpufreq/amd-pstate: Fix the return value of amd_pstate_fast_switch() pmdomain: qcom: rpmpd: Set GENPD_FLAG_ACTIVE_WAKEUP cpufreq: qcom-nvmem: Preserve PM domain votes in system suspend cpufreq: qcom-nvmem: Enable virtual power domain devices cpufreq: imx6q: Don't disable 792 Mhz OPP unnecessarily
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- Dec 01, 2023
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI fixes from Rafael Wysocki: "This fixes a recently introduced build issue on ARM32 and a NULL pointer dereference in the ACPI backlight driver due to a design issue exposed by a recent change in the ACPI bus type code. Specifics: - Fix a recently introduced build issue on ARM32 platforms caused by an inadvertent header file breakage (Dave Jiang) - Eliminate questionable usage of acpi_driver_data() in the ACPI backlight cooling device code that leads to NULL pointer dereferences after recent ACPI core changes (Hans de Goede)" * tag 'acpi-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: video: Use acpi_video_device for cooling-dev driver data ACPI: Fix ARM32 platforms compile issue introduced by fw_table changes -
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fix from Catalin Marinas: "Fix a regression where the arm64 KPTI ends up enabled even on systems that don't need it" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Avoid enabling KPTI unnecessarily
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
Pull iommu fixes from Joerg Roedel: - Fix race conditions in device probe path - Handle ERR_PTR() returns in __iommu_domain_alloc() path - Update MAINTAINERS entry for Qualcom IOMMUs - Printk argument fix in device tree specific code - Several Intel VT-d fixes from Lu Baolu: - Do not support enforcing cache coherency for non-empty domains - Avoid devTLB invalidation if iommu is off - Disable PCI ATS in legacy passthrough mode - Support non-PCI devices when clearing context - Fix incorrect cache invalidation for mm notification - Add MTL to quirk list to skip TE disabling - Set variable intel_dirty_ops to static * tag 'iommu-fixes-v6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu: Fix printk arg in of_iommu_get_resv_regions() iommu/vt-d: Set variable intel_dirty_ops to static iommu/vt-d: Fix incorrect cache invalidation for mm notification iommu/vt-d: Add MTL to quirk list to skip TE disabling iommu/vt-d: Make context clearing consistent with context mapping iommu/vt-d: Disable PCI ATS in legacy passthrough mode iommu/vt-d: Omit devTLB invalidation requests when TES=0 iommu/vt-d: Support enforce_cache_coherency only for empty domains iommu: Avoid more races around device probe MAINTAINERS: list all Qualcomm IOMMU drivers in the QUALCOMM IOMMU entry iommu: Flow ERR_PTR out from __iommu_domain_alloc() -
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "No surprise here, including only a collection of HD-audio device-specific small fixes" * tag 'sound-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda: Disable power-save on KONTRON SinglePC ALSA: hda/realtek: Add supported ALC257 for ChromeOS ALSA: hda/realtek: Headset Mic VREF to 100% ALSA: hda: intel-nhlt: Ignore vbps when looking for DMIC 32 bps format ALSA: hda: cs35l56: Enable low-power hibernation mode on SPI ALSA: cs35l41: Fix for old systems which do not support command ALSA: hda: cs35l41: Remove unnecessary boolean state variable firmware_running ALSA: hda - Fix speaker and headset mic pin config for CHUWI CoreBook XPro
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git://anongit.freedesktop.org/drm/drmLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Weekly fixes, mostly amdgpu fixes with a scattering of nouveau, i915, and a couple of reverts. Hopefully it will quieten down in coming weeks. drm: - Revert unexport of prime helpers for fd/handle conversion dma_resv: - Do not double add fences in dma_resv_add_fence. gpuvm: - Fix GPUVM license identifier. i915: - Mark internal GSC engine with reserved uabi class - Take VGA converters into account in eDP probe - Fix intel_pre_plane_updates() call to ensure workarounds get applied panel: - Revert panel fixes as they require exporting device_is_dependent. nouveau: - fix oversized allocations in new vm path - fix zero-length array - remove a stray lock nt36523: - Fix error check for nt36523. amdgpu: - DMUB fix - DCN 3.5 fixes - XGMI fix - DCN 3.2 fixes - Vangogh suspend fix - NBIO 7.9 fix - GFX11 golden register fix - Backlight fix - NBIO 7.11 fix - IB test overflow fix - DCN 3.1.4 fixes - fix a runtime pm ref count - Retimer fix - ABM fix - DCN 3.1.5 fix - Fix AGP addressing - Fix possible memory leak in SMU error path - Make sure PME is enabled in D3 - Fix possible NULL pointer dereference in debugfs - EEPROM fix - GC 9.4.3 fix amdkfd: - IP version check fix - Fix memory leak in pqm_uninit()" * tag 'drm-fixes-2023-12-01' of git://anongit.freedesktop.org/drm/drm: (53 commits) Revert "drm/prime: Unexport helpers for fd/handle conversion" drm/amdgpu: Use another offset for GC 9.4.3 remap drm/amd/display: Fix some HostVM parameters in DML drm/amdkfd: Free gang_ctx_bo and wptr_bo in pqm_uninit drm/amdgpu: Update EEPROM I2C address for smu v13_0_0 drm/amd/display: Allow DTBCLK disable for DCN35 drm/amdgpu: Fix cat debugfs amdgpu_regs_didt causes kernel null pointer drm/amd: Enable PCIe PME from D3 drm/amd/pm: fix a memleak in aldebaran_tables_init drm/amdgpu: fix AGP addressing when GART is not at 0 drm/amd/display: update dcn315 lpddr pstate latency drm/amd/display: fix ABM disablement drm/amd/display: Fix black screen on video playback with embedded panel drm/amd/display: Fix conversions between bytes and KB drm/amdkfd: Use common function for IP version check drm/amd/display: Remove config update drm/amd/display: Update DCN35 clock table policy drm/amd/display: force toggle rate wa for first link training for a retimer drm/amdgpu: correct the amdgpu runtime dereference usage count drm/amd/display: Update min Z8 residency time to 2100 for DCN314 ...
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git://git.kernel.dk/linuxLinus Torvalds authored
Pull io_uring fixes from Jens Axboe: - Fix an issue with discontig page checking for IORING_SETUP_NO_MMAP - Fix an issue with not allowing IORING_SETUP_NO_MMAP also disallowing mmap'ed buffer rings - Fix an issue with deferred release of memory mapped pages - Fix a lockdep issue with IORING_SETUP_NO_MMAP - Use fget/fput consistently, even from our sync system calls. No real issue here, but if we were ever to allow closing io_uring descriptors it would be required. Let's play it safe and just use the full ref counted versions upfront. Most uses of io_uring are threaded anyway, and hence already doing the full version underneath. * tag 'io_uring-6.7-2023-11-30' of git://git.kernel.dk/linux: io_uring: use fget/fput consistently io_uring: free io_buffer_list entries via RCU io_uring/kbuf: prune deferred locked cache when tearing down io_uring/kbuf: recycle freed mapped buffer ring entries io_uring/kbuf: defer release of mapped buffer rings io_uring: enable io_mem_alloc/free to be used in other parts io_uring: don't guard IORING_OFF_PBUF_RING with SETUP_NO_MMAP io_uring: don't allow discontig pages for IORING_SETUP_NO_MMAP
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git://git.kernel.dk/linuxLinus Torvalds authored
Pull block fixes from Jens Axboe: - NVMe pull request via Keith: - Invalid namespace identification error handling (Marizio Ewan, Keith) - Fabrics keep-alive tuning (Mark) - Fix for a bad error check regression in bcache (Markus) - Fix for a performance regression with O_DIRECT (Ming) - Fix for a flush related deadlock (Ming) - Make the read-only warn on per-partition (Yu) * tag 'block-6.7-2023-12-01' of git://git.kernel.dk/linux: nvme-core: check for too small lba shift blk-mq: don't count completed flush data request as inflight in case of quiesce block: Document the role of the two attribute groups block: warn once for each partition in bio_check_ro() block: move .bd_inode into 1st cacheline of block_device nvme: check for valid nvme_identify_ns() before using it nvme-core: fix a memory leak in nvme_ns_info_from_identify() nvme: fine-tune sending of first keep-alive bcache: revert replacing IS_ERR_OR_NULL with IS_ERR -
Linus Torvalds authored
Merge tag 'dm-6.7/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - Fix DM verity target's FEC support to always initialize IO before it frees it. Also fix alignment of struct dm_verity_fec_io within the per-bio-data - Fix DM verity target to not FEC failed readahead IO - Update DM flakey target to use MAX_ORDER rather than MAX_ORDER - 1 * tag 'dm-6.7/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm-flakey: start allocating with MAX_ORDER dm-verity: align struct dm_verity_fec_io properly dm verity: don't perform FEC for failed readahead IO dm verity: initialize fec io before freeing it
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "Three small fixes, one in drivers. The core changes are to the internal representation of flags in scsi_devices which removes space wasting bools in favour of single bit flags and to add a flag to force a runtime resume which is used by ATA devices" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: sd: Fix system start for ATA devices scsi: Change SCSI device boolean fields to single bit flags scsi: ufs: core: Clear cmd if abort succeeds in MCQ mode
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull ext2 fix from Jan Kara: "Fix an ext2 bug introduced by changes in ext2 & iomap stepping on each other toes (apparently ext2 driver does not get much testing in linux-next)" * tag 'fs_for_v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: ext2: Fix ki_pos update for DIO buffered-io fallback case
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https://evilpiepirate.org/git/bcachefsLinus Torvalds authored
Pull more bcachefs bugfixes from Kent Overstreet: - bcache & bcachefs were broken with CFI enabled; patch for closures to fix type punning - mark erasure coding as extra-experimental; there are incompatible disk space accounting changes coming for erasure coding, and I'm still seeing checksum errors in some tests - several fixes for durability-related issues (durability is a device specific setting where we can tell bcachefs that data on a given device should be counted as replicated x times) - a fix for a rare livelock when a btree node merge then updates a parent node that is almost full - fix a race in the device removal path, where dropping a pointer in a btree node to a device would be clobbered by an in flight btree write updating the btree node key on completion - fix one SRCU lock hold time warning in the btree gc code - ther's still a bunch more of these to fix - fix a rare race where we'd start copygc before initializing the "are we rw" percpu refcount; copygc would think we were already ro and die immediately * tag 'bcachefs-2023-11-29' of https://evilpiepirate.org/git/bcachefs: (23 commits) bcachefs: Extra kthread_should_stop() calls for copygc bcachefs: Convert gc_alloc_start() to for_each_btree_key2() bcachefs: Fix race between btree writes and metadata drop bcachefs: move journal seq assertion bcachefs: -EROFS doesn't count as move_extent_start_fail bcachefs: trace_move_extent_start_fail() now includes errcode bcachefs: Fix split_race livelock bcachefs: Fix bucket data type for stripe buckets bcachefs: Add missing validation for jset_entry_data_usage bcachefs: Fix zstd compress workspace size bcachefs: bpos is misaligned on big endian bcachefs: Fix ec + durability calculation bcachefs: Data update path won't accidentaly grow replicas bcachefs: deallocate_extra_replicas() bcachefs: Proper refcounting for journal_keys bcachefs: preserve device path as device name bcachefs: Fix an endianness conversion bcachefs: Start gc, copygc, rebalance threads after initing writes ref bcachefs: Don't stop copygc thread on device resize bcachefs: Make sure bch2_move_ratelimit() also waits for move_ops ...
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Rafael J. Wysocki authored
Merge a fix for a recently introduced build issue on ARM32 platforms caused by an inadvertent header file breakage (Dave Jiang). * acpi-tables: ACPI: Fix ARM32 platforms compile issue introduced by fw_table changes
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Rafael J. Wysocki authored
Merge a power capping fix for 6.7-rc4 which eliminates unnecessary and harmful conversions to uW from the DTPM (dynamic thermal and power management) framework (Lukasz Luba). * powercap: powercap: DTPM: Fix unneeded conversions to micro-Watts
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