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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS] igt@syncobj_wait@wait(-all)?-for-submit-*- incomplete"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108490">108490</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI][SHARDS] igt@syncobj_wait@wait(-all)?-for-submit-*- incomplete
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@free.fr
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>The links may not be reachable right now because we have issues with the
storage on 01.org, but here there are for the future:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl9/igt@syncobj_wait@wait-all-for-submit-complex.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl9/igt@syncobj_wait@wait-all-for-submit-complex.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl6/igt@syncobj_wait@reset-during-wait-for-submit.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl6/igt@syncobj_wait@reset-during-wait-for-submit.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl5/igt@syncobj_wait@wait-all-for-submit-delayed-submit.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl5/igt@syncobj_wait@wait-all-for-submit-delayed-submit.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl5/igt@syncobj_wait@wait-for-submit-complex.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl5/igt@syncobj_wait@wait-for-submit-complex.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl4/igt@syncobj_wait@wait-for-submit-delayed-submit.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5006/shard-skl4/igt@syncobj_wait@wait-for-submit-delayed-submit.html</a>
<6> [363.585140] Console: switching to colour dummy device 80x25
<6> [363.585915] [IGT] syncobj_wait: executing
<6> [363.646916] [IGT] syncobj_wait: starting subtest
wait-for-submit-delayed-submit
<4> [363.752517]
<4> [363.752542] ============================================
<4> [363.752561] WARNING: possible recursive locking detected
<4> [363.752582] 4.19.0-rc8-CI-CI_DRM_5006+ #1 Tainted: G U
<4> [363.752602] --------------------------------------------
<4> [363.752621] syncobj_wait/2297 is trying to acquire lock:
<4> [363.752641] 0000000029228054 (&(&syncobj->lock)->rlock){+.+.}, at:
drm_syncobj_garbage_collection+0x25/0x140
<4> [363.752699] \x0abut task is already holding lock:
<4> [363.752721] 0000000029228054 (&(&syncobj->lock)->rlock){+.+.}, at:
drm_syncobj_replace_fence+0x1b6/0x2c0
<4> [363.752768] \x0aother info that might help us debug this:
<4> [363.752791] Possible unsafe locking scenario:\x0a
<4> [363.752812] CPU0
<4> [363.752824] ----
<4> [363.752835] lock(&(&syncobj->lock)->rlock);
<4> [363.752856] lock(&(&syncobj->lock)->rlock);
<4> [363.752877] \x0a *** DEADLOCK ***\x0a
<4> [363.752905] May be due to missing lock nesting notation\x0a
<4> [363.752932] 1 lock held by syncobj_wait/2297:
<4> [363.752949] #0: 0000000029228054 (&(&syncobj->lock)->rlock){+.+.}, at:
drm_syncobj_replace_fence+0x1b6/0x2c0
<4> [363.753001] \x0astack backtrace:
<4> [363.753030] CPU: 2 PID: 2297 Comm: syncobj_wait Tainted: G U
4.19.0-rc8-CI-CI_DRM_5006+ #1
<4> [363.753060] Hardware name: Google Caroline/Caroline, BIOS MrChromebox
08/27/2018
<4> [363.753083] Call Trace:
<4> [363.753109] dump_stack+0x67/0x9b
<4> [363.753136] __lock_acquire+0xc67/0x1b50
<4> [363.753164] ? deactivate_slab.isra.26+0x7a4/0x7e0
<4> [363.753203] ? __lock_acquire+0x3c8/0x1b50
<4> [363.753242] ? __wake_up_common_lock+0x5e/0xb0
<4> [363.753285] ? lock_acquire+0xa6/0x1c0
<4> [363.753306] lock_acquire+0xa6/0x1c0
<4> [363.753334] ? drm_syncobj_garbage_collection+0x25/0x140
<4> [363.753365] _raw_spin_lock+0x2a/0x40
<4> [363.753392] ? drm_syncobj_garbage_collection+0x25/0x140
<4> [363.753419] drm_syncobj_garbage_collection+0x25/0x140
<4> [363.753450] drm_syncobj_search_fence+0x38/0x200
<4> [363.753478] ? drm_syncobj_replace_fence+0x1b6/0x2c0
<4> [363.753509] syncobj_wait_syncobj_func+0x11/0x20
<4> [363.753536] drm_syncobj_replace_fence+0x1f8/0x2c0
<4> [363.753561] ? drm_syncobj_handle_to_fd_ioctl+0x170/0x170
<4> [363.753585] drm_syncobj_fd_to_handle_ioctl+0x120/0x1d0
<4> [363.753609] ? drm_syncobj_handle_to_fd_ioctl+0x170/0x170
<4> [363.753638] drm_ioctl_kernel+0x81/0xf0
<4> [363.753665] drm_ioctl+0x2e6/0x3a0
<4> [363.753686] ? drm_syncobj_handle_to_fd_ioctl+0x170/0x170
<4> [363.753717] ? lock_acquire+0xa6/0x1c0
<4> [363.753743] do_vfs_ioctl+0xa0/0x6d0
<4> [363.753769] ? __fget+0xfc/0x1e0
<4> [363.753792] ksys_ioctl+0x35/0x60
<4> [363.753816] __x64_sys_ioctl+0x11/0x20
<4> [363.753840] do_syscall_64+0x55/0x190
<4> [363.753866] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [363.753890] RIP: 0033:0x7f0d84f9a5d7
<4> [363.753911] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7
c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [363.753959] RSP: 002b:00007f0d79804ac8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [363.753990] RAX: ffffffffffffffda RBX: 00007f0d74000b20 RCX:
00007f0d84f9a5d7
<4> [363.754016] RDX: 00007f0d79804b50 RSI: 00000000c01064c2 RDI:
0000000000000005
<4> [363.754040] RBP: 00007f0d79804b50 R08: 0000000000000000 R09:
000000000000001e
<4> [363.754064] R10: 0000000000000054 R11: 0000000000000246 R12:
00000000c01064c2
<4> [363.754088] R13: 0000000000000005 R14: 00007f0d74000b20 R15:
000055ab44e2c3f8</pre>
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