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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms_frontbuffer_tracking@psr-1p-pri-indfb-multidraw - icnomplete - softdog - backtrace in dmesg indicates: intel_frontbuffer_flush"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105959">105959</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI] igt@kms_frontbuffer_tracking@psr-1p-pri-indfb-multidraw - icnomplete - softdog - backtrace in dmesg indicates: intel_frontbuffer_flush
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI 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>marta.lofstedt@intel.com
</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><a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_16/fi-cfl-s3/igt@kms_frontbuffer_tracking@psr-1p-pri-indfb-multidraw.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_16/fi-cfl-s3/igt@kms_frontbuffer_tracking@psr-1p-pri-indfb-multidraw.html</a>
Fron run.log:
running: igt/kms_frontbuffer_tracking/psr-1p-pri-indfb-multidraw
[68/75] skip: 8, pass: 59, fail: 1 |
owatch: TIMEOUT!
from dmesg:
<1>[ 539.599239] BUG: unable to handle kernel NULL pointer dereference at
00000000000005e0
<1>[ 539.599262] IP: intel_psr_flush+0x64/0x140 [i915]
<6>[ 539.599263] PGD 0 P4D 0
<4>[ 539.599266] Oops: 0000 [#1] PREEMPT SMP PTI
<0>[ 539.599268] Dumping ftrace buffer:
...
<4>[ 539.630887] Modules linked in: vgem cdc_ether usbnet i915 r8152
x86_pkg_temp_thermal mii intel_powerclamp coretemp crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel e1000e mei_me mei prime_numbers
<4>[ 539.630898] CPU: 5 PID: 2267 Comm: kms_frontbuffer Tainted: G U
4.16.0-rc7-g1be073153147-drmtip_16+ #1
<4>[ 539.630899] Hardware name: Intel Corporation CoffeeLake Client
Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X118.B19.1802080131
02/08/2018
<4>[ 539.630919] RIP: 0010:intel_psr_flush+0x64/0x140 [i915]
<4>[ 539.630920] RSP: 0018:ffffa479402c7b58 EFLAGS: 00010286
<4>[ 539.630922] RAX: 0000000000000000 RBX: ffff97f4113e0000 RCX:
0000000000000001
<4>[ 539.630923] RDX: 0000000080000001 RSI: ffffffffffffffff RDI:
0000000000000000
<4>[ 539.630924] RBP: 0000000000000100 R08: 000000004e19dbcc R09:
0000000000000000
<4>[ 539.630925] R10: ffffa479402c7b58 R11: ffff97f4113ea638 R12:
ffff97f4113ea5d8
<4>[ 539.630927] R13: 0000000000000100 R14: 0000000000000004 R15:
ffffffff93e89250
<4>[ 539.630928] FS: 00007f6b60eb8980(0000) GS:ffff97f41d340000(0000)
knlGS:0000000000000000
<4>[ 539.630929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 539.630930] CR2: 00000000000005e0 CR3: 00000004494f6003 CR4:
00000000003606e0
<4>[ 539.630932] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[ 539.630933] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[ 539.630934] Call Trace:
<4>[ 539.630954] intel_frontbuffer_flush+0x6a/0x80 [i915]
<4>[ 539.630975] intel_prepare_plane_fb+0x2c0/0x5a0 [i915]
<4>[ 539.630979] drm_atomic_helper_prepare_planes+0x4a/0xd0
<4>[ 539.630999] intel_atomic_commit+0xa9/0x320 [i915]
<4>[ 539.631002] set_property_atomic+0x100/0x130
<4>[ 539.631005] drm_mode_obj_set_property_ioctl+0xf1/0x1a0
<4>[ 539.631008] ? drm_mode_obj_find_prop_id+0x40/0x40
<4>[ 539.631010] drm_ioctl_kernel+0x7c/0xf0
<4>[ 539.631012] drm_ioctl+0x2e6/0x3a0
<4>[ 539.631014] ? drm_mode_obj_find_prop_id+0x40/0x40
<4>[ 539.631019] do_vfs_ioctl+0xa0/0x6c0
<4>[ 539.631021] ? __task_pid_nr_ns+0xbd/0x1d0
<4>[ 539.631023] SyS_ioctl+0x36/0x70
<4>[ 539.631026] ? do_syscall_64+0x19/0x1b0
<4>[ 539.631048] do_syscall_64+0x6b/0x1b0
<4>[ 539.631051] entry_SYSCALL_64_after_hwframe+0x42/0xb7
<4>[ 539.631052] RIP: 0033:0x7f6b6012a5d7
<4>[ 539.631053] RSP: 002b:00007ffe90456698 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4>[ 539.631055] RAX: ffffffffffffffda RBX: 0000000000000000 RCX:
00007f6b6012a5d7
<4>[ 539.631056] RDX: 00007ffe904566d0 RSI: 00000000c01864ba RDI:
0000000000000003
<4>[ 539.631058] RBP: 00007ffe904566d0 R08: 0000000000000001 R09:
0000000000000000
<4>[ 539.631059] R10: 0000000000000000 R11: 0000000000000246 R12:
00000000c01864ba
<4>[ 539.631060] R13: 0000000000000003 R14: 0000558e2337a401 R15:
0000558e2337a401
<4>[ 539.631076] Code: 48 89 fb 31 f6 4c 89 e7 e8 aa 1b 35 d3 48 8b 83 60 a6
00 00 48 85 c0 0f 84 9f 00 00 00 48 8b 80 48 ff ff ff 48 c7 c6 ff ff ff ff <48>
63 90 e0 05 00 00 b8 01 00 00 00 8d 0c d5 00 00 00 00 48 d3
<1>[ 539.631123] RIP: intel_psr_flush+0x64/0x140 [i915] RSP: ffffa479402c7b58
<4>[ 539.631124] CR2: 00000000000005e0
<4>[ 539.631126] ---[ end trace 520ee23b7ec0823c ]---
<3>[ 539.953232] BUG: sleeping function called from invalid context at
./include/linux/percpu-rwsem.h:34
<3>[ 539.953237] in_atomic(): 0, irqs_disabled(): 1, pid: 2267, name:
kms_frontbuffer
<4>[ 539.953238] INFO: lockdep is turned off.
<4>[ 539.953239] irq event stamp: 371690
<4>[ 539.953244] hardirqs last enabled at (371689): [<000000005bdd2146>]
_raw_spin_unlock_irqrestore+0x4c/0x60
<4>[ 539.953246] hardirqs last disabled at (371690): [<000000001e15f6aa>]
error_entry+0x78/0xf0
<4>[ 539.953248] softirqs last enabled at (371304): [<00000000711d937a>]
__do_softirq+0x32b/0x4e1
<4>[ 539.953251] softirqs last disabled at (371285): [<000000009aaa05f8>]
irq_exit+0xa4/0xb0
<4>[ 539.953253] CPU: 5 PID: 2267 Comm: kms_frontbuffer Tainted: G UD
4.16.0-rc7-g1be073153147-drmtip_16+ #1
<4>[ 539.953255] Hardware name: Intel Corporation CoffeeLake Client
Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X118.B19.1802080131
02/08/2018
<4>[ 539.953256] Call Trace:
<4>[ 539.953259] dump_stack+0x67/0x95
<4>[ 539.953262] ___might_sleep+0x167/0x250
<4>[ 539.953265] exit_signals+0x2b/0x2d0
<4>[ 539.953267] do_exit+0xa3/0xd40
<4>[ 539.953270] ? SyS_ioctl+0x36/0x70
<4>[ 539.953272] ? do_syscall_64+0x19/0x1b0
<4>[ 539.953275] rewind_stack_do_exit+0x17/0x20</pre>
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