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From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: Re: ✗ Ro.CI.BAT: failure for drm/i915: Don't mark PCH underrun reporting as diasabled for transcoder B/C on LPT-H
Date: Tue, 9 Aug 2016 17:45:38 +0300	[thread overview]
Message-ID: <20160809144538.GS4329@intel.com> (raw)
In-Reply-To: <20160806071609.11766.98944@emeril.freedesktop.org>

On Sat, Aug 06, 2016 at 07:16:09AM -0000, Patchwork wrote:
> == Series Details ==
> 
> Series: drm/i915: Don't mark PCH underrun reporting as diasabled for transcoder B/C on LPT-H
> URL   : https://patchwork.freedesktop.org/series/10726/
> State : failure
> 
> == Summary ==
> 
> Series 10726v1 drm/i915: Don't mark PCH underrun reporting as diasabled for transcoder B/C on LPT-H
> http://patchwork.freedesktop.org/api/1.0/series/10726/revisions/1/mbox
> 
> Test drv_module_reload_basic:
>                 pass       -> DMESG-WARN (ro-hsw-i7-4770r)

[  134.371594] =============================================
[  134.371596] [ INFO: possible recursive locking detected ]
[  134.371599] 4.7.0-gfxbench-RO_Patchwork_1736+ #1 Tainted: G     U         
[  134.371601] ---------------------------------------------
[  134.371604] rmmod/6305 is trying to acquire lock:
[  134.371607]  (&(&n->list_lock)->rlock){-.-...}, at: [<ffffffff811ca177>] get_partial_node.isra.23+0x47/0x430
[  134.371617] 
but task is already holding lock:
[  134.371619]  (&(&n->list_lock)->rlock){-.-...}, at: [<ffffffff811cd56c>] __kmem_cache_shutdown+0x5c/0x360
[  134.371636] 
other info that might help us debug this:
[  134.371638]  Possible unsafe locking scenario:

[  134.371652]        CPU0
[  134.371653]        ----
[  134.371654]   lock(&(&n->list_lock)->rlock);
[  134.371656]   lock(&(&n->list_lock)->rlock);
[  134.371658] 
 *** DEADLOCK ***

[  134.371662]  May be due to missing lock nesting notation

[  134.371666] 5 locks held by rmmod/6305:
[  134.371668]  #0:  (&dev->mutex){......}, at: [<ffffffff8152d9c2>] driver_detach+0x42/0xc0
[  134.371676]  #1:  (&dev->mutex){......}, at: [<ffffffff8152d9d0>] driver_detach+0x50/0xc0
[  134.371682]  #2:  (cpu_hotplug.dep_map){++++++}, at: [<ffffffff8107e0cd>] get_online_cpus+0x2d/0x80
[  134.371689]  #3:  (slab_mutex){+.+.+.}, at: [<ffffffff81197c0c>] kmem_cache_destroy+0x3c/0x220
[  134.371696]  #4:  (&(&n->list_lock)->rlock){-.-...}, at: [<ffffffff811cd56c>] __kmem_cache_shutdown+0x5c/0x360
[  134.371702] 
stack backtrace:
[  134.371705] CPU: 1 PID: 6305 Comm: rmmod Tainted: G     U          4.7.0-gfxbench-RO_Patchwork_1736+ #1
[  134.371710] Hardware name: GIGABYTE M4HM87P-00/M4HM87P-00, BIOS F6 12/10/2014
[  134.371713]  0000000000000000 ffff8802057137f0 ffffffff8141c765 ffffffff82596890
[  134.371718]  ffffffff82596890 ffff8802057138b0 ffffffff810d5914 ffff8801e5ac4eb8
[  134.371722]  000000001480ef00 ffff88021483c240 ffff880200000005 ffffffff0000b700
[  134.371727] Call Trace:
[  134.371731]  [<ffffffff8141c765>] dump_stack+0x67/0x92
[  134.371735]  [<ffffffff810d5914>] __lock_acquire+0x1544/0x1930
[  134.371763]  [<ffffffffa03c58ba>] ? i915_exit+0x1a/0x1ec [i915]
[  134.371780]  [<ffffffffa03c58ba>] ? i915_exit+0x1a/0x1ec [i915]
[  134.371785]  [<ffffffff810ea570>] ? rcu_read_lock_sched_held+0x70/0x80
[  134.371789]  [<ffffffff810ea4fd>] ? debug_lockdep_rcu_enabled+0x1d/0x20
[  134.371793]  [<ffffffff810d6122>] lock_acquire+0xb2/0x200
[  134.371797]  [<ffffffff811ca177>] ? get_partial_node.isra.23+0x47/0x430
[  134.371801]  [<ffffffff817c4566>] _raw_spin_lock+0x36/0x50
[  134.371805]  [<ffffffff811ca177>] ? get_partial_node.isra.23+0x47/0x430
[  134.371808]  [<ffffffff811ca177>] get_partial_node.isra.23+0x47/0x430
[  134.371813]  [<ffffffff8110f837>] ? __module_address+0x27/0xf0
[  134.371829]  [<ffffffffa03c58ba>] ? i915_exit+0x1a/0x1ec [i915]
[  134.371833]  [<ffffffff8110f90d>] ? __module_text_address+0xd/0x60
[  134.371837]  [<ffffffff8111339a>] ? is_module_text_address+0x2a/0x50
[  134.371840]  [<ffffffff8109f294>] ? __kernel_text_address+0x34/0x60
[  134.371845]  [<ffffffff8101ef86>] ? print_context_stack+0x76/0xe0
[  134.371848]  [<ffffffff8101e737>] ? dump_trace+0x117/0x300
[  134.371852]  [<ffffffff811ca9b7>] ___slab_alloc.constprop.26+0x217/0x390
[  134.371857]  [<ffffffff81439e11>] ? __debug_object_init+0x2f1/0x410
[  134.371861]  [<ffffffff810d2187>] ? add_lock_to_list.isra.9.constprop.27+0x77/0xc0
[  134.371866]  [<ffffffff810d56ae>] ? __lock_acquire+0x12de/0x1930
[  134.371870]  [<ffffffff81439e11>] ? __debug_object_init+0x2f1/0x410
[  134.371873]  [<ffffffff811cab73>] __slab_alloc.isra.21.constprop.25+0x43/0x80
[  134.371877]  [<ffffffff81439e11>] ? __debug_object_init+0x2f1/0x410
[  134.371881]  [<ffffffff811cadf1>] kmem_cache_alloc+0x241/0x2f0
[  134.371885]  [<ffffffff81439e11>] __debug_object_init+0x2f1/0x410
[  134.371889]  [<ffffffff8143a0c6>] debug_object_activate+0x156/0x1e0
[  134.371892]  [<ffffffff811ca560>] ? get_partial_node.isra.23+0x430/0x430
[  134.371896]  [<ffffffff810edfd1>] __call_rcu.constprop.60+0x31/0x2f0
[  134.371900]  [<ffffffff810ee2a2>] call_rcu+0x12/0x20
[  134.371904]  [<ffffffff811c951d>] discard_slab+0x3d/0x40
[  134.371907]  [<ffffffff811cd5d7>] __kmem_cache_shutdown+0xc7/0x360
[  134.371911]  [<ffffffff817c06af>] ? mutex_lock_nested+0x27f/0x3b0
[  134.371915]  [<ffffffff811971a9>] shutdown_cache+0x19/0x60
[  134.371918]  [<ffffffff81197d7e>] kmem_cache_destroy+0x1ae/0x220
[  134.371933]  [<ffffffffa0340ae4>] i915_gem_load_cleanup+0x14/0x40 [i915]
[  134.371943]  [<ffffffffa02fffe1>] i915_driver_unload+0x151/0x180 [i915]
[  134.371953]  [<ffffffffa030a124>] i915_pci_remove+0x14/0x20 [i915]
[  134.371958]  [<ffffffff814673e4>] pci_device_remove+0x34/0xb0
[  134.371963]  [<ffffffff8152ce6c>] __device_release_driver+0x9c/0x150
[  134.371967]  [<ffffffff8152da36>] driver_detach+0xb6/0xc0
[  134.371971]  [<ffffffff8152c883>] bus_remove_driver+0x53/0xd0
[  134.371974]  [<ffffffff8152e4f7>] driver_unregister+0x27/0x50
[  134.371977]  [<ffffffff81466465>] pci_unregister_driver+0x25/0x70
[  134.371994]  [<ffffffffa03c58ba>] i915_exit+0x1a/0x1ec [i915]
[  134.371998]  [<ffffffff81110329>] SyS_delete_module+0x199/0x1f0
[  134.372002]  [<ffffffff817c50a9>] entry_SYSCALL_64_fastpath+0x1c/0xac

Unrelated to this patch, and people seem to be looking into it already.

> Test kms_cursor_legacy:
>         Subgroup basic-cursor-vs-flip-varying-size:
>                 pass       -> FAIL       (ro-ilk1-i5-650)

(kms_cursor_legacy:8166) DEBUG: Test requirement passed: target > 1
(kms_cursor_legacy:8166) DEBUG: Using a target of 32 cursor updates per half-vblank
(kms_cursor_legacy:8166) WARNING: page flip 0 was delayed, missed 1 frames
(kms_cursor_legacy:8166) WARNING: page flip 1 was delayed, missed 1 frames
(kms_cursor_legacy:8166) WARNING: page flip 3 was delayed, missed 1 frames
(kms_cursor_legacy:8166) CRITICAL: Test assertion failure function basic_cursor_vs_flip, file kms_cursor_legacy.c:670:
(kms_cursor_legacy:8166) CRITICAL: Failed assertion: vbl.sequence == vblank_start + 60
(kms_cursor_legacy:8166) CRITICAL: error: 11425 != 11422

https://bugs.freedesktop.org/show_bug.cgi?id=96701

>         Subgroup basic-flip-vs-cursor-legacy:
>                 fail       -> PASS       (ro-byt-n2820)
>                 fail       -> PASS       (ro-bdw-i5-5250u)
>                 pass       -> FAIL       (ro-skl3-i5-6260u)

(kms_cursor_legacy:9330) DEBUG: Test requirement passed: target > 1
(kms_cursor_legacy:9330) DEBUG: Using a target of 64 cursor updates per half-vblank
(kms_cursor_legacy:9330) CRITICAL: Test assertion failure function basic_flip_vs_cursor, file kms_cursor_legacy.c:514:
(kms_cursor_legacy:9330) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start
(kms_cursor_legacy:9330) CRITICAL: error: 12169 != 12168

https://bugs.freedesktop.org/show_bug.cgi?id=97188

>         Subgroup basic-flip-vs-cursor-varying-size:
>                 pass       -> FAIL       (ro-snb-i7-2620M)

(kms_cursor_legacy:7948) DEBUG: Test requirement passed: target > 1
(kms_cursor_legacy:7948) DEBUG: Using a target of 64 cursor updates per half-vblank
(kms_cursor_legacy:7948) CRITICAL: Test assertion failure function basic_flip_vs_cursor, file kms_cursor_legacy.c:514:
(kms_cursor_legacy:7948) CRITICAL: Failed assertion: get_vblank(display->drm_fd, pipe, 0) == vblank_start
(kms_cursor_legacy:7948) CRITICAL: error: 13766 != 13765

https://bugs.freedesktop.org/show_bug.cgi?id=97188

>                 fail       -> PASS       (ro-bdw-i5-5250u)
> 
> fi-kbl-qkkr      total:244  pass:185  dwarn:29  dfail:0   fail:3   skip:27 
> ro-bdw-i5-5250u  total:240  pass:220  dwarn:4   dfail:0   fail:0   skip:16 
> ro-bdw-i7-5557U  total:240  pass:224  dwarn:0   dfail:0   fail:0   skip:16 
> ro-bdw-i7-5600u  total:240  pass:207  dwarn:0   dfail:0   fail:1   skip:32 
> ro-bsw-n3050     total:240  pass:194  dwarn:0   dfail:0   fail:4   skip:42 
> ro-byt-n2820     total:240  pass:198  dwarn:0   dfail:0   fail:2   skip:40 
> ro-hsw-i3-4010u  total:240  pass:214  dwarn:0   dfail:0   fail:0   skip:26 
> ro-hsw-i7-4770r  total:240  pass:213  dwarn:1   dfail:0   fail:0   skip:26 
> ro-ilk-i7-620lm  total:240  pass:173  dwarn:1   dfail:0   fail:1   skip:65 
> ro-ilk1-i5-650   total:235  pass:173  dwarn:0   dfail:0   fail:2   skip:60 
> ro-ivb-i7-3770   total:240  pass:205  dwarn:0   dfail:0   fail:0   skip:35 
> ro-ivb2-i7-3770  total:240  pass:209  dwarn:0   dfail:0   fail:0   skip:31 
> ro-skl3-i5-6260u total:240  pass:222  dwarn:0   dfail:0   fail:4   skip:14 
> ro-snb-i7-2620M  total:240  pass:197  dwarn:0   dfail:0   fail:2   skip:41 
> 
> Results at /archive/results/CI_IGT_test/RO_Patchwork_1736/
> 
> b834992 drm-intel-nightly: 2016y-08m-05d-20h-40m-44s UTC integration manifest
> d24b0aa drm/i915: Don't mark PCH underrun reporting as diasabled for transcoder B/C on LPT-H

-- 
Ville Syrjälä
Intel OTC
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

      reply	other threads:[~2016-08-09 14:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-05 17:00 [PATCH] drm/i915: Don't mark PCH underrun reporting as diasabled for transcoder B/C on LPT-H ville.syrjala
2016-08-05 20:22 ` Daniel Vetter
2016-08-09 15:04   ` Ville Syrjälä
2016-08-06  7:16 ` ✗ Ro.CI.BAT: failure for " Patchwork
2016-08-09 14:45   ` Ville Syrjälä [this message]

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