| Summary: | [CI][BAT] igt@i915_selftest@live_blt - dmesg-fail - igt_copy_blt failed with error 9 | ||
|---|---|---|---|
| Product: | DRI | Reporter: | Lakshmi <lakshminarayana.vudum> |
| Component: | DRM/Intel | Assignee: | Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Status: | RESOLVED FIXED | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Severity: | normal | ||
| Priority: | medium | CC: | intel-gfx-bugs |
| Version: | DRI git | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | HSW | i915 features: | GEM/Other |
|
Description
Lakshmi
2019-11-07 12:04:22 UTC
The CI Bug Log issue associated to this bug has been updated. ### New filters associated * HSW: igt@i915_selftest@live_blt - dmesg-fail - igt_copy_blt failed with error 9 - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7279/fi-hsw-peppy/igt@i915_selftest@live_blt.html All we have of interest is <4>[ 502.237878] RIP: 0010:__free_pages+0x0/0x20 <4>[ 502.237884] Code: e8 a5 f0 ff ff f7 c5 00 02 00 00 74 0a e8 58 be f7 ff 55 9d 5b 5d c3 55 9d 5b 5d e9 4a c0 f7 ff 66 2e 0f 1f 84 00 00 00 00 00 <f0> ff 4f 34 75 0b 85 f6 74 05 e9 c1 dd ff ff eb 8f f3 c3 0f 1f 00 <4>[ 502.237888] RSP: 0018:ffffc9000034be00 EFLAGS: 00010246 <4>[ 502.237892] RAX: 0000000000000002 RBX: ffff888057ceccc0 RCX: 0000000000000001 <4>[ 502.237895] RDX: ffff888057ceccc0 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 502.237898] RBP: 0000000000000dfd R08: ffffea00000880c8 R09: 0000000000000000 <4>[ 502.237901] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805bb83cd0 <4>[ 502.237904] R13: ffff888057ceccc0 R14: ffff88805c18d180 R15: 0000100000000000 <4>[ 502.237908] FS: 0000000000000000(0000) GS:ffff888100100000(0000) knlGS:0000000000000000 <4>[ 502.237911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 502.237914] CR2: 0000000000000034 CR3: 0000000066af4001 CR4: 00000000000606e0 <3>[ 502.237919] BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:38 <3>[ 502.237922] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 4028, name: igt/blt-1 <4>[ 502.237925] INFO: lockdep is turned off. <4>[ 502.237928] irq event stamp: 296790 <4>[ 502.237932] hardirqs last enabled at (296789): [<ffffffff8121fab8>] free_unref_page+0x48/0x60 <4>[ 502.237937] hardirqs last disabled at (296790): [<ffffffff81001c0a>] trace_hardirqs_off_thunk+0x1a/0x20 <4>[ 502.237943] softirqs last enabled at (294316): [<ffffffff81c00385>] __do_softirq+0x385/0x47f <4>[ 502.237948] softirqs last disabled at (294301): [<ffffffff810b7faa>] irq_exit+0xba/0xc0 <4>[ 502.237953] CPU: 1 PID: 4028 Comm: igt/blt-1 Tainted: G UD 5.4.0-rc6-CI-CI_DRM_7279+ #1 <4>[ 502.237956] Hardware name: GOOGLE Peppy/Peppy, BIOS MrChromebox 02/04/2018 <4>[ 502.237959] Call Trace: <4>[ 502.237967] dump_stack+0x67/0x9b <4>[ 502.237973] ___might_sleep+0x178/0x260 <4>[ 502.237979] exit_signals+0x2b/0x350 <4>[ 502.237983] do_exit+0xa3/0xd70 <4>[ 502.238116] ? i915_gem_object_copy_blt+0x2a0/0x2a0 [i915] <4>[ 502.238124] ? kthread+0x119/0x130 <4>[ 502.238131] rewind_stack_do_exit+0x17/0x20 <3>[ 502.270759] vaddr[0]=3e8c1322, expected=ee6fa1a1 which smells of a locking bug. But we lack the start of the oops. If it is the locking bug, we expect it to strike any machine in live_blt, so optimistically we might get a better trace. The CI Bug Log issue associated to this bug has been updated. ### New filters associated * HSW: igt@i915_selftest@live_blt - dmesg-fail - igt_copy_blt_ctx0 failed with error 9 - https://intel-gfx-ci.01.org/tree/drm-tip/TrybotIGT_67/fi-hsw-peppy/igt@i915_selftest@live_blt.html - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7439/fi-hsw-peppy/igt@i915_selftest@live_blt.html commit 69305732796f50c9e74cd850faef668f38a483b3 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Thu Nov 28 23:29:46 2019 +0000 drm/i915/selftests: Use sgt_iter for huge_pages_free Use the normal sgt_iter to walk the pages scatterlist on free so that we handle the error path correctly. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112225 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191128232946.546831-1-chris@chris-wilson.co.uk |
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