Intel GPU Hang on i915_gem_object_set_to_cpu_domain (5.6RC2)
while the "Resetting rcs0 for hang on rcs0,vcs0" messages/hangs seem to be gone on 5.6RC2, unfortunately a new problem appeared
Intel(R) Xeon(R) CPU E3-1285L v4 @ 3.40GHz
Intel Corporation Iris Pro Graphics P6300 (rev 0a)
Kernel used: 5.6.0-050600rc2-generic taken from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.6-rc2/
Feb 17 16:46:22 svr-muc1-ntr-dev-001 kernel: [ 4316.039837] perf: interrupt took too long (2501 > 2500), lowering kernel.perf_event_max_sample_rate to 79750
Feb 17 17:25:00 svr-muc1-ntr-dev-001 kernel: [ 6634.144614] perf: interrupt took too long (3128 > 3126), lowering kernel.perf_event_max_sample_rate to 63750
Feb 17 18:28:19 svr-muc1-ntr-dev-001 kernel: [10433.518115] perf: interrupt took too long (3944 > 3910), lowering kernel.perf_event_max_sample_rate to 50500
Feb 17 19:10:20 svr-muc1-ntr-dev-001 kernel: [12954.559984] perf: interrupt took too long (4978 > 4930), lowering kernel.perf_event_max_sample_rate to 40000
Feb 17 22:02:28 svr-muc1-ntr-dev-001 kernel: [23282.006670] perf: interrupt took too long (6875 > 6222), lowering kernel.perf_event_max_sample_rate to 29000
Feb 18 09:09:43 svr-muc1-ntr-dev-001 kernel: [63318.795083] INFO: task video_in_1:src:15529 blocked for more than 241 seconds.
Feb 18 09:09:43 svr-muc1-ntr-dev-001 kernel: [63318.795084] Not tainted 5.6.0-050600rc2-generic #202002162232
Feb 18 09:09:43 svr-muc1-ntr-dev-001 kernel: [63318.795085] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[Tue Feb 18 09:09:44 2020] __schedule+0x2d8/0x760
[Tue Feb 18 09:09:44 2020] ? __switch_to_asm+0x34/0x70
[Tue Feb 18 09:09:44 2020] ? __switch_to_asm+0x34/0x70
[Tue Feb 18 09:09:44 2020] schedule+0x55/0xc0
[Tue Feb 18 09:09:44 2020] schedule_preempt_disabled+0xe/0x10
[Tue Feb 18 09:09:44 2020] __mutex_lock.isra.0+0x182/0x4f0
[Tue Feb 18 09:09:44 2020] ? dma_resv_get_fences_rcu+0x391/0x3c0
[Tue Feb 18 09:09:44 2020] __mutex_lock_slowpath+0x13/0x20
[Tue Feb 18 09:09:44 2020] mutex_lock+0x2e/0x40
[Tue Feb 18 09:09:44 2020] i915_gem_object_bump_inactive_ggtt+0x39/0x170 [i915]
[Tue Feb 18 09:09:44 2020] i915_gem_set_domain_ioctl+0x184/0x230 [i915]
[Tue Feb 18 09:09:44 2020] ? i915_gem_object_set_to_cpu_domain+0xb0/0xb0 [i915]
[Tue Feb 18 09:09:44 2020] drm_ioctl_kernel+0xae/0xf0 [drm]
[Tue Feb 18 09:09:44 2020] drm_ioctl+0x234/0x3d0 [drm]
[Tue Feb 18 09:09:44 2020] ? i915_gem_object_set_to_cpu_domain+0xb0/0xb0 [i915]
[Tue Feb 18 09:09:44 2020] ? do_futex+0x10f/0x1e0
[Tue Feb 18 09:09:44 2020] ksys_ioctl+0x9d/0xd0
[Tue Feb 18 09:09:44 2020] __x64_sys_ioctl+0x1a/0x20
[Tue Feb 18 09:09:44 2020] do_syscall_64+0x57/0x1b0
[Tue Feb 18 09:09:44 2020] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[Tue Feb 18 09:09:44 2020] RIP: 0033:0x7fafd9a1467b
[Tue Feb 18 09:09:44 2020] Code: Bad RIP value.
[Tue Feb 18 09:09:44 2020] RSP: 002b:00007faf826e18c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[Tue Feb 18 09:09:44 2020] RAX: ffffffffffffffda RBX: 00007faf826e1910 RCX: 00007fafd9a1467b
[Tue Feb 18 09:09:44 2020] RDX: 00007faf826e1910 RSI: 00000000400c645f RDI: 0000000000000072
[Tue Feb 18 09:09:44 2020] RBP: 00000000400c645f R08: 0000000000000000 R09: 00007faf64451000
[Tue Feb 18 09:09:44 2020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf99948800
[Tue Feb 18 09:09:44 2020] R13: 0000000000000072 R14: 00007faf99948908 R15: 00007fafb6ebe400