igt@i915_pm_dc@dc5-psr - incomplete - Kernel panic - not syncing: EXT4-fs panic from previous error, sched: Unexpected reschedule of offline CPU#2!, ARNING: CPU: 0 PID: 208 at arch/x86/kernel/apic/ipi.c:67 native_smp_send_reschedule
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8854/shard-iclb4/igt@i915_pm_dc@dc5-psr.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8854/shard-iclb4/pstore18-1596801506_Panic_1.txt
<7>[ 159.099361] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:256:DP-4]
<7>[ 159.099467] [drm:drm_helper_hpd_irq_event] [CONNECTOR:256:DP-4] status updated from disconnected to disconnected
<7>[ 159.099469] [drm:drm_helper_hpd_irq_event] [CONNECTOR:256:DP-4] New epoch counter 1
<6>[ 160.327949] ata3: SATA link down (SStatus 1 SControl 320)
<4>[ 160.327982] ata3.00: disabled
<3>[ 160.329741] sd 2:0:0:0: rejecting I/O to offline device
<3>[ 160.330508] blk_update_request: I/O error, dev sda, sector 303425736 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<4>[ 160.330679] EXT4-fs warning (device sda2): ext4_end_bio:349: I/O error 10 writing to inode 13632790 starting block 37928218)
<3>[ 160.330782] Buffer I/O error on device sda2, logical block 37796889
<3>[ 160.331285] blk_update_request: I/O error, dev sda, sector 232336416 op 0x1:(WRITE) flags 0x800 phys_seg 6 prio class 0
<3>[ 160.331778] blk_update_request: I/O error, dev sda, sector 303425728 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<4>[ 160.332258] EXT4-fs warning (device sda2): ext4_end_bio:349: I/O error 10 writing to inode 13632788 starting block 37928217)
<3>[ 160.332266] Aborting journal on device sda2-8.
<3>[ 160.332295] Buffer I/O error on device sda2, logical block 37796888
<3>[ 160.333022] blk_update_request: I/O error, dev sda, sector 126946272 op 0x0:(READ) flags 0x3000 phys_seg 1 prio class 0
<3>[ 160.333465] blk_update_request: I/O error, dev sda, sector 231999488 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<2>[ 160.333483] EXT4-fs error (device sda2): __ext4_find_entry:1537: inode #3932573: comm dmesg: reading directory lblock 0
<3>[ 160.334017] blk_update_request: I/O error, dev sda, sector 231999488 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<3>[ 160.334106] Buffer I/O error on dev sda2, logical block 28868608, lost sync page write
<3>[ 160.334271] blk_update_request: I/O error, dev sda, sector 1050624 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<3>[ 160.334307] JBD2: Error -5 detected when updating journal superblock for sda2-8.
<3>[ 160.334326] blk_update_request: I/O error, dev sda, sector 1050624 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<3>[ 160.334328] Buffer I/O error on dev sda2, logical block 0, lost sync page write
<3>[ 160.334525] EXT4-fs (sda2): previous I/O error to superblock detected
<2>[ 160.334804] EXT4-fs error (device sda2): ext4_journal_check_start:83: Detected aborted journal
<2>[ 160.334915] EXT4-fs (sda2): Remounting filesystem read-only
<3>[ 160.334919] blk_update_request: I/O error, dev sda, sector 1050624 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<0>[ 160.334945] Kernel panic - not syncing: EXT4-fs panic from previous error
<3>[ 160.334997] blk_update_request: I/O error, dev sda, sector 1050624 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
<3>[ 160.335098] Buffer I/O error on dev sda2, logical block 0, lost sync page write
<4>[ 160.335201] ------------[ cut here ]------------
<4>[ 160.335344] sched: Unexpected reschedule of offline CPU#2!
<4>[ 160.335370] WARNING: CPU: 0 PID: 208 at arch/x86/kernel/apic/ipi.c:67 native_smp_send_reschedule+0x2f/0x40
<4>[ 160.335412] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio i915 mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul e1000e cdc_ether ghash_clmulni_intel usbnet snd_hda_intel mii snd_intel_dspcfg snd_hda_codec ptp snd_hwdep pps_core snd_hda_core mei_me mei snd_pcm intel_lpss_pci prime_numbers
<4>[ 160.335554] CPU: 0 PID: 208 Comm: kworker/0:1H Not tainted 5.8.0-CI-CI_DRM_8854+ #1
<4>[ 160.335587] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.3234.A01.1906141750 06/14/2019
<4>[ 160.335641] Workqueue: kblockd blk_mq_requeue_work
<4>[ 160.335664] RIP: 0010:native_smp_send_reschedule+0x2f/0x40
<4>[ 160.335688] Code: 05 f6 64 72 01 73 15 48 8b 05 5d 05 37 01 be fd 00 00 00 48 8b 40 30 e9 af a9 db 00 89 fe 48 c7 c7 08 7e 2d 82 e8 a1 a5 06 00 <0f> 0b c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 48 8b 05 29 05
<4>[ 160.335761] RSP: 0018:ffffc90001bc79d8 EFLAGS: 00010082
<4>[ 160.335783] RAX: 0000000000000000 RBX: ffff88849ff3ad00 RCX: 0000000000000001
<4>[ 160.335813] RDX: 0000000000000000 RSI: ffffffff82320c5b RDI: 00000000ffffffff
<4>[ 160.335843] RBP: ffff88848825c040 R08: 0000000000000000 R09: 0000000000000000
<4>[ 160.335875] R10: ffffc90001bc7918 R11: 00000000ffffffff R12: ffff88848825c828
<4>[ 160.335906] R13: ffffc90001bc7a20 R14: 0000000000000087 R15: ffff88849ff3ad18
<4>[ 160.335935] FS: 0000000000000000(0000) GS:ffff88849fe00000(0000) knlGS:0000000000000000
<4>[ 160.335969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 160.335992] CR2: 00007fffbda29fc8 CR3: 0000000489e20003 CR4: 0000000000760ef0
<4>[ 160.336023] PKRU: 55555554
<4>[ 160.336035] Call Trace:
<4>[ 160.336047] check_preempt_curr+0x81/0xa0
<4>[ 160.336065] ttwu_do_wakeup+0x14/0x230
<4>[ 160.336080] try_to_wake_up+0x478/0x650
<4>[ 160.336098] autoremove_wake_function+0xc/0x50
<4>[ 160.336119] __wake_up_common+0x80/0x190
<4>[ 160.336137] __wake_up_common_lock+0x75/0xb0
<4>[ 160.336155] __wake_up_bit+0x4c/0x70
<4>[ 160.336171] end_buffer_write_sync+0x1b/0x40
<4>[ 160.336190] end_bio_bh_io_sync+0x21/0x40
<4>[ 160.336207] blk_update_request+0xc7/0x540
<4>[ 160.336225] blk_mq_end_request+0x15/0x120
<4>[ 160.336242] blk_flush_complete_seq+0xde/0x330
<4>[ 160.336261] mq_flush_data_end_io+0x87/0xb0
<4>[ 160.336278] blk_mq_dispatch_rq_list+0x39f/0x6e0
<4>[ 160.336299] ? blk_mq_sched_request_inserted+0xa0/0xe0
<4>[ 160.336323] ? __blk_mq_sched_dispatch_requests+0xa0/0x150
<4>[ 160.336347] __blk_mq_sched_dispatch_requests+0xbe/0x150
<4>[ 160.336372] blk_mq_sched_dispatch_requests+0x2b/0x50
<4>[ 160.336394] __blk_mq_run_hw_queue+0x7a/0xe0
<4>[ 160.336413] __blk_mq_delay_run_hw_queue+0xd5/0x1f0
<4>[ 160.338109] blk_mq_run_hw_queue+0x86/0xf0
<4>[ 160.340326] blk_mq_run_hw_queues+0x2f/0x40
<4>[ 160.341944] blk_mq_requeue_work+0x14a/0x170
<4>[ 160.343567] process_one_work+0x268/0x600
<4>[ 160.345161] ? __schedule+0x3af/0x980
<4>[ 160.346749] ? process_one_work+0x600/0x600
<4>[ 160.348306] worker_thread+0x37/0x370
<4>[ 160.349873] ? process_one_work+0x600/0x600
<4>[ 160.351428] kthread+0x14d/0x170
<4>[ 160.352981] ? kthread_park+0x80/0x80
<4>[ 160.354511] ret_from_fork+0x1f/0x30
<4>[ 160.356027] irq event stamp: 48334
<4>[ 160.357526] hardirqs last enabled at (48333): [<ffffffff811581cd>] ktime_get+0x5d/0x100
<4>[ 160.359012] hardirqs last disabled at (48334): [<ffffffff81a5e5ed>] _raw_spin_lock_irqsave+0xd/0x50
<4>[ 160.360495] softirqs last enabled at (47904): [<ffffffff81e0038f>] __do_softirq+0x38f/0x498
<4>[ 160.361963] softirqs last disabled at (47895): [<ffffffff81c00f4f>] asm_call_on_stack+0xf/0x20
<4>[ 160.363419] ---[ end trace 39ef4f7e53aa506e ]---