| Summary: | [BSW Regression]igt/gem_persistent_relocs/forked-interruptible-faulting-reloc causes system hang | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | Guo Jinxian <jinxianx.guo> | ||||||
| Component: | DRM/Intel | Assignee: | Mika Kuoppala <mika.kuoppala> | ||||||
| Status: | CLOSED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||||
| Severity: | critical | ||||||||
| Priority: | high | CC: | intel-gfx-bugs | ||||||
| Version: | unspecified | ||||||||
| Hardware: | Other | ||||||||
| OS: | All | ||||||||
| Whiteboard: | |||||||||
| i915 platform: | i915 features: | ||||||||
| Attachments: |
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Created attachment 104783 [details]
dmesg
Test passed on -nightly(2b6e6b9c29dbdaf596cad99877384af8b406d103)
[root@x-bsw01 tests]# ./gem_persistent_relocs --run-subtest forked-interruptible-faulting-reloc
IGT-Version: 1.7-g5c7bcb1 (x86_64) (Linux: 3.16.0_drm-intel-nightly_2b6e6b_20140815+ x86_64)
Subtest forked-interruptible-faulting-reloc: SUCCESS
Presuming fixed until proven otherwise. (In reply to comment #1) > Created attachment 104783 [details] > dmesg > > Test passed on -nightly(2b6e6b9c29dbdaf596cad99877384af8b406d103) > > [root@x-bsw01 tests]# ./gem_persistent_relocs --run-subtest > forked-interruptible-faulting-reloc > IGT-Version: 1.7-g5c7bcb1 (x86_64) (Linux: > 3.16.0_drm-intel-nightly_2b6e6b_20140815+ x86_64) > Subtest forked-interruptible-faulting-reloc: SUCCESS Verified. Closing old verified. |
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Created attachment 103425 [details] dmesg on fixes branch ==System Environment== -------------------------- Regression: Yes Good commit on -next-queued: 91565c85b66db820f01894a971d39aaef60c4325 Non-working platforms: BSW ==kernel== -------------------------- origin/drm-intel-nightly: 089bea2664988de48fccc81407ebe12115156731(fails) drm-intel-nightly: 2014y-07m-24d-09h-55m-38s integration manifest origin/drm-intel-next-queued: 2b8ee5710915a244b807fbe3427299d007d19e89(works) drm/i915: Allow overlapping userptr objects origin/drm-intel-fixes: eedd10f45bdcb2a5b2afa35f845e080c3bc984f2(CallTrace while running the test, please check attachment) drm/i915: Simplify i915_gem_release_all_mmaps() ==Bug detailed description== ----------------------------- igt/gem_persistent_relocs/forked-interruptible-faulting-reloc causes system hang Unable get dmesg because system hang. Output: [root@x-bsw01 tests]# ./gem_persistent_relocs --run-subtest forked-interruptible-faulting-reloc IGT-Version: 1.7-g4d4f4b2 (x86_64) (Linux: 3.16.0-rc6_drm-intel-nightly_089bea_20140725_debug+ x86_64) Dmesg shows on -fixes branch: [ 72.374279] WARNING: CPU: 1 PID: 3800 at drivers/gpu/drm/i915/intel_uncore.c:132 gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915]() [ 72.380584] GT wake FIFO error 0x1080000 [ 72.386839] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep r8169 snd_pcm snd_timer snd soundcore battery ac i915 button video drm_kms_helper drm option usb_wwan usbserial [ 72.400570] CPU: 1 PID: 3800 Comm: gem_persistent_ Tainted: G W 3.16.0-rc6_drm-intel-fixes_eedd10_20140725_debug+ #798 [ 72.407573] 0000000000000009 ffff88007508f9c8 ffffffff8182f9df 0000000000000046 [ 72.414614] ffff88007508fa18 ffff88007508fa08 ffffffff8103fa1c 0000000000000000 [ 72.421614] ffffffffa01213d1 0000000001080000 ffff880002c50078 00000000049980c8 [ 72.428590] Call Trace: [ 72.435480] [<ffffffff8182f9df>] dump_stack+0x46/0x58 [ 72.442412] [<ffffffff8103fa1c>] warn_slowpath_common+0x81/0x9b [ 72.449388] [<ffffffffa01213d1>] ? gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.456381] [<ffffffff8103fad9>] warn_slowpath_fmt+0x46/0x48 [ 72.463402] [<ffffffffa011f597>] ? __gen6_gt_wait_for_thread_c0+0x3a/0x95 [i915] [ 72.470470] [<ffffffffa01213d1>] gen6_gt_check_fifodbg.isra.12+0x38/0x47 [i915] [ 72.477555] [<ffffffffa0121480>] __vlv_force_wake_put+0x3c/0x3e [i915] [ 72.484636] [<ffffffffa0120d2c>] gen6_read32+0x78/0xeb [i915] [ 72.491700] [<ffffffffa011b29d>] gen6_ring_get_seqno+0x2c/0x3a [i915] [ 72.498760] [<ffffffffa01053a5>] __wait_seqno+0x252/0x458 [i915] [ 72.505770] [<ffffffff8107754d>] ? __init_waitqueue_head+0x50/0x50 [ 72.512825] [<ffffffffa0105dd8>] i915_wait_seqno+0x6f/0x78 [i915] [ 72.519867] [<ffffffffa0105e15>] i915_gem_object_wait_rendering+0x34/0x4f [i915] [ 72.526926] [<ffffffffa010aff8>] i915_gem_object_set_to_gtt_domain+0x54/0x181 [i915] [ 72.533986] [<ffffffffa010b6b1>] i915_gem_pwrite_ioctl+0x261/0x7f8 [i915] [ 72.540995] [<ffffffff811139f4>] ? might_fault+0x43/0x93 [ 72.548024] [<ffffffffa007423f>] drm_ioctl+0x2bd/0x425 [drm] [ 72.555092] [<ffffffffa010b450>] ? i915_gem_set_domain_ioctl+0xf6/0xf6 [i915] [ 72.562182] [<ffffffff810bf0b1>] ? __audit_syscall_exit+0x1f4/0x213 [ 72.569273] [<ffffffff8114b525>] do_vfs_ioctl+0x455/0x49f [ 72.576325] [<ffffffff81097ccf>] ? current_kernel_time+0x64/0xa0 [ 72.583408] [<ffffffff81080d2d>] ? trace_hardirqs_on_caller+0x142/0x19e [ 72.590379] [<ffffffff81080d96>] ? trace_hardirqs_on+0xd/0xf [ 72.597195] [<ffffffff8114b5c2>] SyS_ioctl+0x53/0x81 [ 72.603734] [<ffffffff81837112>] system_call_fastpath+0x16/0x1b Reproduce steps: ------------------------- 1. ./gem_persistent_relocs --run-subtest forked-interruptible-faulting-reloc