Comment # 1
on bug 104362
from Vladimir Usikov
What I mean by freezing. The computer does not respond to the keyboard and mouse. When I press 'Num Lock' or 'Caps Lock' the LED does not light up. Clicking on Ctrl+Alt+F# does not switch to the TTY#. Today, when I went to a hung computer, I saw a new error in dmesg. [26173.119284] INFO: task amdgpu_cs:0:660 blocked for more than 120 seconds. [26173.119292] Tainted: G O 4.14.9-1-ARCH #1 [26173.119295] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [26173.119299] amdgpu_cs:0 D 0 660 629 0x00000000 [26173.119303] Call Trace: [26173.119316] ? __schedule+0x290/0x890 [26173.119320] schedule+0x2f/0x90 [26173.119407] amd_sched_entity_push_job+0xd2/0x110 [amdgpu] [26173.119415] ? wait_woken+0x80/0x80 [26173.119488] amdgpu_job_submit+0x76/0x90 [amdgpu] [26173.119550] amdgpu_vm_bo_update_mapping.constprop.25+0x35a/0x3c0 [amdgpu] [26173.119612] ? amdgpu_vm_prt_cb+0x20/0x20 [amdgpu] [26173.119673] amdgpu_vm_bo_update+0x272/0x550 [amdgpu] [26173.119734] amdgpu_cs_ioctl+0x12a9/0x1a50 [amdgpu] [26173.119797] ? amdgpu_cs_find_mapping+0x90/0x90 [amdgpu] [26173.119826] drm_ioctl_kernel+0x59/0xb0 [drm] [26173.119851] drm_ioctl+0x2d5/0x370 [drm] [26173.119910] ? amdgpu_cs_find_mapping+0x90/0x90 [amdgpu] [26173.119964] amdgpu_drm_ioctl+0x49/0x80 [amdgpu] [26173.119971] do_vfs_ioctl+0xa1/0x610 [26173.119976] ? SyS_futex+0x12d/0x180 [26173.119980] SyS_ioctl+0x74/0x80 [26173.119984] entry_SYSCALL_64_fastpath+0x1a/0x7d [26173.119988] RIP: 0033:0x7effda21d337 [26173.119990] RSP: 002b:00007effd028eb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [26173.119993] RAX: ffffffffffffffda RBX: 0000555f9a2f4870 RCX: 00007effda21d337 [26173.119994] RDX: 00007effd028eb70 RSI: 00000000c0186444 RDI: 0000000000000018 [26173.119996] RBP: 00007effd028eae0 R08: 00007effd028ec10 R09: 00007effd028eb50 [26173.119998] R10: 00007effd028ec10 R11: 0000000000000246 R12: 0000000040086409 [26173.119999] R13: 0000000000000018 R14: 0000555f99557420 R15: 0000555f9a1ecf60
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