[Bug 109831] [CI][BAT] igt at i915_module_load@reload-with-fault-injection - incomplete - WARN_ON(!intel_irqs_enabled(dev_priv))
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Mar 5 11:08:29 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=109831
Chris Wilson <chris at chris-wilson.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
i915 features|GEM/Other |display/DP MST
--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
It's the unflushed worker:
<4>[ 342.594335] WARN_ON(!intel_irqs_enabled(dev_priv))
<4>[ 342.594362] WARNING: CPU: 1 PID: 627 at
drivers/gpu/drm/i915/i915_irq.c:625 bdw_update_pipe_irq+0x108/0x120 [i915]
<4>[ 342.594372] Modules linked in: i915(-) vgem cdc_ether r8152
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp
x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_codec
ghash_clmulni_intel snd_hwdep snd_hda_core mcs7830 usbnet mii snd_pcm
thunderbolt mei_me mei prime_numbers i2c_hid btusb btrtl btbcm btintel
bluetooth ecdh_generic pinctrl_sunrisepoint pinctrl_intel [last unloaded: i915]
<4>[ 342.594425] CPU: 1 PID: 627 Comm: kworker/1:3 Tainted: G U W
5.0.0-CI-CI_DRM_5703+ #1
<4>[ 342.594447] Hardware name: Dell Inc. XPS 13 9360/0823VW, BIOS 2.3.1
10/03/2017
<4>[ 342.594455] Workqueue: events_long drm_dp_mst_link_probe_work
<4>[ 342.594475] RIP: 0010:bdw_update_pipe_irq+0x108/0x120 [i915]
<4>[ 342.594480] Code: a0 e8 7c 64 b4 e0 0f 0b 41 80 bc 24 e5 af 00 00 00 0f
85 41 ff ff ff 48 c7 c6 60 4a 70 a0 48 c7 c7 7a 1f 6f a0 e8 58 64 b4 e0 <0f> 0b
5b 5d 41 5c 41 5d c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00
<4>[ 342.594492] RSP: 0018:ffffc900005239d0 EFLAGS: 00010082
<4>[ 342.594496] RAX: 0000000000000000 RBX: 0000000000000001 RCX:
0000000000000000
<4>[ 342.594501] RDX: 0000000000000002 RSI: 0000000000000001 RDI:
ffffffff81123e20
<4>[ 342.594524] RBP: 0000000000000000 R08: 0000000000000000 R09:
0000000000000000
<4>[ 342.594529] R10: ffffc90000523970 R11: ffffffff82249a38 R12:
ffff8881d5100000
<4>[ 342.594535] R13: 0000000000000001 R14: ffff8881d51002b8 R15:
ffff888271e3efd0
<4>[ 342.594540] FS: 0000000000000000(0000) GS:ffff888276280000(0000)
knlGS:0000000000000000
<4>[ 342.594546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 342.594551] CR2: 00005570b1d0a850 CR3: 0000000257b36004 CR4:
00000000003606e0
<4>[ 342.594571] Call Trace:
<4>[ 342.594590] gen8_enable_vblank+0x33/0x60 [i915]
<4>[ 342.594596] drm_vblank_enable+0x7c/0x120
<4>[ 342.594600] drm_vblank_get+0x86/0xa0
<4>[ 342.594647] intel_pipe_update_start+0xee/0x3f0 [i915]
<4>[ 342.594654] ? wait_woken+0xa0/0xa0
<4>[ 342.594699] intel_update_crtc+0xc7/0x3d0 [i915]
<4>[ 342.594729] skl_update_crtcs+0x266/0x2b0 [i915]
<4>[ 342.594777] intel_atomic_commit_tail+0x207/0x12a0 [i915]
<4>[ 342.594784] ? flush_workqueue+0x236/0x530
<4>[ 342.594788] ? lockdep_hardirqs_on+0xe0/0x1b0
<4>[ 342.594834] intel_atomic_commit+0x244/0x330 [i915]
<4>[ 342.594840] restore_fbdev_mode_atomic+0x1da/0x1f0
<4>[ 342.594847] drm_fb_helper_restore_fbdev_mode_unlocked+0x42/0x90
<4>[ 342.594852] drm_fb_helper_set_par+0x24/0x50
<4>[ 342.594857] drm_fb_helper_hotplug_event.part.24+0x9d/0xb0
<4>[ 342.594862] drm_kms_helper_hotplug_event+0x21/0x30
<4>[ 342.594867] drm_dp_send_link_address+0x16c/0x1d0
<4>[ 342.594872] drm_dp_check_and_send_link_address+0x82/0xc0
<4>[ 342.594877] drm_dp_mst_link_probe_work+0x54/0x70
<4>[ 342.594899] process_one_work+0x245/0x610
<4>[ 342.594905] worker_thread+0x37/0x380
<4>[ 342.594909] ? process_one_work+0x610/0x610
<4>[ 342.594913] kthread+0x119/0x130
<4>[ 342.594917] ? kthread_park+0x80/0x80
<4>[ 342.594922] ret_from_fork+0x3a/0x50
<4>[ 342.594927] irq event stamp: 1410618
<4>[ 342.594932] hardirqs last enabled at (1410617): [<ffffffff8197b80c>]
_raw_spin_unlock_irqrestore+0x4c/0x60
<4>[ 342.594955] hardirqs last disabled at (1410618): [<ffffffff8197445a>]
__schedule+0xaa/0xb40
<4>[ 342.594979] softirqs last enabled at (1410284): [<ffffffff81c0033a>]
__do_softirq+0x33a/0x4b9
<4>[ 342.594987] softirqs last disabled at (1410277): [<ffffffff810b50f1>]
irq_exit+0xd1/0xe0
<4>[ 342.595009] WARNING: CPU: 1 PID: 627 at
drivers/gpu/drm/i915/i915_irq.c:625 bdw_update_pipe_irq+0x108/0x120 [i915]
that appears to be the culprit.
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