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Mike Galbraith

2017-Jul-11 17:32 UTC

[Nouveau] [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335

Greetings,

I met $subject in master-rt post drm merge, but taking the config
(attached) to virgin v4.12-10624-g9967468c0a10, it's reproducible.

      KERNEL: vmlinux-4.12.0.g9967468-preempt.gz
    DUMPFILE: vmcore
        CPUS: 8
        DATE: Tue Jul 11 18:55:28 2017
      UPTIME: 00:02:03
LOAD AVERAGE: 3.43, 1.39, 0.52
       TASKS: 467
    NODENAME: homer
     RELEASE: 4.12.0.g9967468-preempt
     VERSION: #155 SMP PREEMPT Tue Jul 11 18:18:11 CEST 2017
     MACHINE: x86_64  (3591 Mhz)
      MEMORY: 16 GB
       PANIC: "BUG: unable to handle kernel paging request at
ffffffffa022990f"
         PID: 4658
     COMMAND: "kworker/u16:26"
        TASK: ffff8803c6068f80  [THREAD_INFO: ffff8803c6068f80]
         CPU: 7
       STATE: TASK_RUNNING (PANIC)

crash> bt
PID: 4658   TASK: ffff8803c6068f80  CPU: 7   COMMAND: "kworker/u16:26"
 #0 [ffffc900039f76a0] machine_kexec at ffffffff810481fc
 #1 [ffffc900039f76f0] __crash_kexec at ffffffff81109e3a
 #2 [ffffc900039f77b0] crash_kexec at ffffffff8110adc9
 #3 [ffffc900039f77c8] oops_end at ffffffff8101d059
 #4 [ffffc900039f77e8] no_context at ffffffff81055ce5
 #5 [ffffc900039f7838] do_page_fault at ffffffff81056c5b
 #6 [ffffc900039f7860] page_fault at ffffffff81690a88
    [exception RIP: report_bug+93]
    RIP: ffffffff8167227d  RSP: ffffc900039f7918  RFLAGS: 00010002
    RAX: ffffffffa0229905  RBX: ffffffffa020af0f  RCX: 0000000000000001
    RDX: 0000000000000907  RSI: ffffffffa020af11  RDI: ffffffffffff98f6
    RBP: ffffc900039f7a58   R8: 0000000000000001   R9: 00000000000003fc
    R10: ffffffff81a01906  R11: ffff8803f84711f8  R12: ffffffffa02231fb
    R13: 0000000000000260  R14: 0000000000000004  R15: 0000000000000006
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #7 [ffffc900039f7910] report_bug at ffffffff81672248
 #8 [ffffc900039f7938] fixup_bug at ffffffff8101af85
 #9 [ffffc900039f7950] do_trap at ffffffff8101b0d9
#10 [ffffc900039f79a0] do_error_trap at ffffffff8101b190
#11 [ffffc900039f7a50] invalid_op at ffffffff8169063e
    [exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335]
    RIP: ffffffffa020af0f  RSP: ffffc900039f7b00  RFLAGS: 00010086
    RAX: ffffffffa04fa100  RBX: ffff8803f9550800  RCX: 0000000000000001
    RDX: ffffffffa0228a58  RSI: 0000000000000001  RDI: ffffffffa022321b
    RBP: ffffc900039f7b80   R8: 0000000000000000   R9: ffffffffa020adc0
    R10: ffffffffa048a1b0  R11: ffff8803f84711f8  R12: 0000000000000001
    R13: ffff8803f8471000  R14: ffffc900039f7b94  R15: ffffc900039f7bd0
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#12 [ffffc900039f7b18] gf119_head_vblank_put at ffffffffa04422f9 [nouveau]
#13 [ffffc900039f7b88] drm_get_last_vbltimestamp at ffffffffa020ad91 [drm]
#14 [ffffc900039f7ba8] drm_update_vblank_count at ffffffffa020b3e1 [drm]
#15 [ffffc900039f7c10] drm_vblank_disable_and_save at ffffffffa020bbe9 [drm]
#16 [ffffc900039f7c40] drm_crtc_vblank_off at ffffffffa020c3c0 [drm]
#17 [ffffc900039f7cb0] nouveau_display_fini at ffffffffa048a4d6 [nouveau]
#18 [ffffc900039f7ce0] nouveau_display_suspend at ffffffffa048ac4f [nouveau]
#19 [ffffc900039f7d00] nouveau_do_suspend at ffffffffa047e5ec [nouveau]
#20 [ffffc900039f7d38] nouveau_pmops_suspend at ffffffffa047e77d [nouveau]
#21 [ffffc900039f7d50] pci_pm_suspend at ffffffff813b1ff0
#22 [ffffc900039f7d80] dpm_run_callback at ffffffff814c4dbd
#23 [ffffc900039f7db8] __device_suspend at ffffffff814c5a61
#24 [ffffc900039f7e30] async_suspend at ffffffff814c5cfa
#25 [ffffc900039f7e48] async_run_entry_fn at ffffffff81091683
#26 [ffffc900039f7e70] process_one_work at ffffffff810882bc
#27 [ffffc900039f7eb0] worker_thread at ffffffff8108854a
#28 [ffffc900039f7f10] kthread at ffffffff8108e387
#29 [ffffc900039f7f50] ret_from_fork at ffffffff8168fa85
crash> gdb list *drm_calc_vbltimestamp_from_scanoutpos+335
0xffffffffa020af0f is in drm_calc_vbltimestamp_from_scanoutpos
(drivers/gpu/drm/drm_vblank.c:608).
603             /* If mode timing undefined, just return as no-op:
604              * Happens during initial modesetting of a crtc.
605              */
606             if (mode->crtc_clock == 0) {
607                     DRM_DEBUG("crtc %u: Noop due to uninitialized
mode.\n", pipe);
608                     WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev));
609     
610                     return false;
611             }
612     
crash> gdb list *report_bug+93
0xffffffff8167227d is in report_bug (lib/bug.c:177).
172                                     return BUG_TRAP_TYPE_WARN;
173     
174                             /*
175                              * Since this is the only store, concurrency is
not an issue.
176                              */
177                             bug->flags |= BUGFLAG_DONE;
178                     }
179             }
180     
181             if (warning) {
crash>
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Ilia Mirkin

2017-Jul-11 17:51 UTC

head link

[Nouveau] [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335

Some details that may be useful in analysis of the bug:

1. lspci -nn -d 10de:
2. What displays, if any, you have plugged into the NVIDIA board when
this happens?
3. Any boot parameters, esp relating to ACPI, PM, or related?

Cheers,

  -ilia

On Tue, Jul 11, 2017 at 1:32 PM, Mike Galbraith <efault at gmx.de>
wrote:> Greetings,
>
> I met $subject in master-rt post drm merge, but taking the config
> (attached) to virgin v4.12-10624-g9967468c0a10, it's reproducible.
>
>       KERNEL: vmlinux-4.12.0.g9967468-preempt.gz
>     DUMPFILE: vmcore
>         CPUS: 8
>         DATE: Tue Jul 11 18:55:28 2017
>       UPTIME: 00:02:03
> LOAD AVERAGE: 3.43, 1.39, 0.52
>        TASKS: 467
>     NODENAME: homer
>      RELEASE: 4.12.0.g9967468-preempt
>      VERSION: #155 SMP PREEMPT Tue Jul 11 18:18:11 CEST 2017
>      MACHINE: x86_64  (3591 Mhz)
>       MEMORY: 16 GB
>        PANIC: "BUG: unable to handle kernel paging request at
ffffffffa022990f"
>          PID: 4658
>      COMMAND: "kworker/u16:26"
>         TASK: ffff8803c6068f80  [THREAD_INFO: ffff8803c6068f80]
>          CPU: 7
>        STATE: TASK_RUNNING (PANIC)
>
> crash> bt
> PID: 4658   TASK: ffff8803c6068f80  CPU: 7   COMMAND:
"kworker/u16:26"
>  #0 [ffffc900039f76a0] machine_kexec at ffffffff810481fc
>  #1 [ffffc900039f76f0] __crash_kexec at ffffffff81109e3a
>  #2 [ffffc900039f77b0] crash_kexec at ffffffff8110adc9
>  #3 [ffffc900039f77c8] oops_end at ffffffff8101d059
>  #4 [ffffc900039f77e8] no_context at ffffffff81055ce5
>  #5 [ffffc900039f7838] do_page_fault at ffffffff81056c5b
>  #6 [ffffc900039f7860] page_fault at ffffffff81690a88
>     [exception RIP: report_bug+93]
>     RIP: ffffffff8167227d  RSP: ffffc900039f7918  RFLAGS: 00010002
>     RAX: ffffffffa0229905  RBX: ffffffffa020af0f  RCX: 0000000000000001
>     RDX: 0000000000000907  RSI: ffffffffa020af11  RDI: ffffffffffff98f6
>     RBP: ffffc900039f7a58   R8: 0000000000000001   R9: 00000000000003fc
>     R10: ffffffff81a01906  R11: ffff8803f84711f8  R12: ffffffffa02231fb
>     R13: 0000000000000260  R14: 0000000000000004  R15: 0000000000000006
>     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
>  #7 [ffffc900039f7910] report_bug at ffffffff81672248
>  #8 [ffffc900039f7938] fixup_bug at ffffffff8101af85
>  #9 [ffffc900039f7950] do_trap at ffffffff8101b0d9
> #10 [ffffc900039f79a0] do_error_trap at ffffffff8101b190
> #11 [ffffc900039f7a50] invalid_op at ffffffff8169063e
>     [exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335]
>     RIP: ffffffffa020af0f  RSP: ffffc900039f7b00  RFLAGS: 00010086
>     RAX: ffffffffa04fa100  RBX: ffff8803f9550800  RCX: 0000000000000001
>     RDX: ffffffffa0228a58  RSI: 0000000000000001  RDI: ffffffffa022321b
>     RBP: ffffc900039f7b80   R8: 0000000000000000   R9: ffffffffa020adc0
>     R10: ffffffffa048a1b0  R11: ffff8803f84711f8  R12: 0000000000000001
>     R13: ffff8803f8471000  R14: ffffc900039f7b94  R15: ffffc900039f7bd0
>     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
> #12 [ffffc900039f7b18] gf119_head_vblank_put at ffffffffa04422f9 [nouveau]
> #13 [ffffc900039f7b88] drm_get_last_vbltimestamp at ffffffffa020ad91 [drm]
> #14 [ffffc900039f7ba8] drm_update_vblank_count at ffffffffa020b3e1 [drm]
> #15 [ffffc900039f7c10] drm_vblank_disable_and_save at ffffffffa020bbe9
[drm]
> #16 [ffffc900039f7c40] drm_crtc_vblank_off at ffffffffa020c3c0 [drm]
> #17 [ffffc900039f7cb0] nouveau_display_fini at ffffffffa048a4d6 [nouveau]
> #18 [ffffc900039f7ce0] nouveau_display_suspend at ffffffffa048ac4f
[nouveau]
> #19 [ffffc900039f7d00] nouveau_do_suspend at ffffffffa047e5ec [nouveau]
> #20 [ffffc900039f7d38] nouveau_pmops_suspend at ffffffffa047e77d [nouveau]
> #21 [ffffc900039f7d50] pci_pm_suspend at ffffffff813b1ff0
> #22 [ffffc900039f7d80] dpm_run_callback at ffffffff814c4dbd
> #23 [ffffc900039f7db8] __device_suspend at ffffffff814c5a61
> #24 [ffffc900039f7e30] async_suspend at ffffffff814c5cfa
> #25 [ffffc900039f7e48] async_run_entry_fn at ffffffff81091683
> #26 [ffffc900039f7e70] process_one_work at ffffffff810882bc
> #27 [ffffc900039f7eb0] worker_thread at ffffffff8108854a
> #28 [ffffc900039f7f10] kthread at ffffffff8108e387
> #29 [ffffc900039f7f50] ret_from_fork at ffffffff8168fa85
> crash> gdb list *drm_calc_vbltimestamp_from_scanoutpos+335
> 0xffffffffa020af0f is in drm_calc_vbltimestamp_from_scanoutpos
(drivers/gpu/drm/drm_vblank.c:608).
> 603             /* If mode timing undefined, just return as no-op:
> 604              * Happens during initial modesetting of a crtc.
> 605              */
> 606             if (mode->crtc_clock == 0) {
> 607                     DRM_DEBUG("crtc %u: Noop due to uninitialized
mode.\n", pipe);
> 608                     WARN_ON_ONCE(drm_drv_uses_atomic_modeset(dev));
> 609
> 610                     return false;
> 611             }
> 612
> crash> gdb list *report_bug+93
> 0xffffffff8167227d is in report_bug (lib/bug.c:177).
> 172                                     return BUG_TRAP_TYPE_WARN;
> 173
> 174                             /*
> 175                              * Since this is the only store,
concurrency is not an issue.
> 176                              */
> 177                             bug->flags |= BUGFLAG_DONE;
> 178                     }
> 179             }
> 180
> 181             if (warning) {
> crash>

Mike Galbraith

2017-Jul-11 18:08 UTC

head link

[Nouveau] [regression drm/noveau] suspend to ram -> BOOM: exception RIP: drm_calc_vbltimestamp_from_scanoutpos+335

On Tue, 2017-07-11 at 13:51 -0400, Ilia Mirkin wrote:> Some details that may be useful in analysis of the bug:
> 
> 1. lspci -nn -d 10de:
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM204 [GeForce GTX
980] [10de:13c0] (rev a1)
01:00.1 Audio device [0403]: NVIDIA Corporation GM204 High Definition Audio
Controller [10de:0fbb] (rev a1
> 2. What displays, if any, you have plugged into the NVIDIA board when
> this happens?
A Philips 273V, via DVI.
> 3. Any boot parameters, esp relating to ACPI, PM, or related?
None for those, what's there that will be unfamiliar to you are for
patches that aren't applied.

nortsched hpc_cpusets skew_tick=1 ftrace_dump_on_oops audit=0
nodelayacct cgroup_disable=memory rtkthreads=1 rtworkqueues=2 panic=60
ignore_loglevel crashkernel=256M,high

	-Mike

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