https://bugzilla.kernel.org/show_bug.cgi?id=204181 --- Comment #53 from Sergey Kondakov (virtuousfox@xxxxxxxxx) --- Created attachment 285209 --> https://bugzilla.kernel.org/attachment.cgi?id=285209&action=edit dmesg_2019-09-26-amdgpu-old_dereference_on_patched_5.3.1 After about a day of uptime my patched 5.3.1 hanged during hours-long Youtube video with dereference that is almost identical to the original one: BUG: unable to handle page fault for address: 00000008000001b4 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 2 PID: 396 Comm: kworker/u16:2 Tainted: G W IO 5.3.1-1482.g27a0123-HSF #1 openSUSE Tumbleweed Hardware name: Gigabyte Technology Co., Ltd. GA-990XA-UD3/GA-990XA-UD3, BIOS F14e 09/09/2014 Workqueue: events_unbound commit_work RIP: 0010:amdgpu_dm_atomic_commit_tail+0x2ee/0xfd0 [amdgpu] … Call Trace: ? __switch_to_asm+0x34/0x70 ? __switch_to_asm+0x40/0x70 ? _raw_spin_unlock_irq+0x29/0x50 ? trace_hardirqs_on+0x2c/0xf0 ? _raw_spin_unlock_irq+0x3a/0x50 ? finish_task_switch+0xa3/0x2e0 ? finish_task_switch+0x75/0x2e0 ? __switch_to+0x152/0x4e0 ? __switch_to_asm+0x34/0x70 ? __schedule+0x353/0x900 ? wait_for_completion_timeout+0x31/0x110 ? _raw_spin_unlock_irq+0x29/0x50 ? preempt_count_sub+0x9b/0xd0 ? _raw_spin_unlock_irq+0x3a/0x50 ? wait_for_completion_timeout+0xe9/0x110 ? commit_tail+0x3c/0x70 commit_tail+0x3c/0x70 process_one_work+0x271/0x5b0 worker_thread+0x4a/0x3d0 ? process_one_work+0x5b0/0x5b0 kthread+0x118/0x140 ? kthread_create_worker_on_cpu+0x70/0x70 ret_from_fork+0x27/0x50 … [drm:amdgpu_dm_atomic_check [amdgpu]] *ERROR* [CRTC:47:crtc-0] hw_done or flip_done timed out Could this be due to these additional patches ? https://patchwork.freedesktop.org/series/64614/ https://patchwork.freedesktop.org/series/65192/ Or the fact that I patched kwin-5.16.5 with https://phabricator.kde.org/T11071 and added KWIN_USE_INTEL_SWAP_EVENT=1 & KWIN_USE_BUFFER_AGE=3, so it works with tighter timings now ? Or any of these ? options amdgpu cik_support=1 si_support=1 msi=1 disp_priority=2 dpm=1 runpm=1 sched_policy=1 compute_multipipe=1 vm_fragment_size=9 gartsize=1024 max_num_of_queues_per_device=65536 sched_hw_submission=32 sched_jobs=1024 job_hang_limit=8000 halt_if_hws_hang=1 vm_fault_stop=0 vm_update_mode=0 deep_color=1 gpu_recovery=1 lockup_timeout=2500,5000,8000,1000 ras_enable=1 mcbp=1 queue_preemption_timeout_ms=48 mes=1 hws_gws_support=1 discovery=1 -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
