[Intel-gfx] ✗ Ro.CI.BAT: failure for drm/i915: Don't mark PCH underrun reporting as diasabled for transcoder B/C on LPT-H
Ville Syrjälä
ville.syrjala at linux.intel.com
Tue Aug 9 14:45:38 UTC 2016
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
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