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<head>
<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@debugfs_test@read_all_entries - dmesg-fail - BUG: unable to handle kernel paging request"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105498">105498</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI] igt@debugfs_test@read_all_entries - dmesg-fail - BUG: unable to handle kernel paging request
</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>[ 43.209777] BUG: unable to handle kernel paging request at 000003030000b16f
[ 43.209827] IP: intel_runtime_pm_put+0x4/0x90 [i915]
[ 43.209837] Oops: 0000 [#1] PREEMPT SMP PTI
[ 43.209842] Dumping ftrace buffer:
[ 43.209847] ---------------------------------
[ 43.209915] modprobe-339 2..s1 7764347us : execlists_submission_tasklet:
rcs0 in[0]: ctx=2.1, seqno=1, prio=0
[ 43.209978] cupsd-363 3..s. 7764363us : execlists_submission_tasklet:
rcs0 cs-irq head=0 [0], tail=0 [0]
[ 43.210038] cupsd-363 3..s. 7764459us : execlists_submission_tasklet:
rcs0 cs-irq head=0 [0?], tail=1 [1?]
[ 43.210097] cupsd-363 3..s. 7764461us : execlists_submission_tasklet:
rcs0 csb[1]: status=0x00000018:0x00000002, active=0x1
[ 43.210154] cupsd-363 3..s. 7764462us : execlists_submission_tasklet:
rcs0 out[0]: ctx=2.1, seqno=1, prio=0
[ 43.210209] cupsd-363 3..s. 7764463us : execlists_submission_tasklet:
rcs0 completed ctx=2
[ 43.210264] modprobe-339 2..s1 7764628us : execlists_submission_tasklet:
bcs0 in[0]: ctx=2.1, seqno=1, prio=0
[ 43.210319] cupsd-363 3..s. 7764643us : execlists_submission_tasklet:
bcs0 cs-irq head=0 [0], tail=1 [1]
[ 43.210401] cupsd-363 3..s. 7764644us : execlists_submission_tasklet:
bcs0 csb[1]: status=0x00000018:0x00000002, active=0x1
[ 43.210479] cupsd-363 3..s. 7764645us : execlists_submission_tasklet:
bcs0 out[0]: ctx=2.1, seqno=1, prio=0
[ 43.210571] cupsd-363 3..s. 7764646us : execlists_submission_tasklet:
bcs0 completed ctx=2
[ 43.210633] modprobe-339 2..s1 7764874us : execlists_submission_tasklet:
vcs0 in[0]: ctx=2.1, seqno=1, prio=0
[ 43.210696] cupsd-363 3..s1 7764895us : execlists_submission_tasklet:
vcs0 cs-irq head=0 [0], tail=1 [1]
[ 43.210758] cupsd-363 3..s1 7764896us : execlists_submission_tasklet:
vcs0 csb[1]: status=0x00000018:0x00000002, active=0x1
[ 43.210821] cupsd-363 3..s1 7764897us : execlists_submission_tasklet:
vcs0 out[0]: ctx=2.1, seqno=1, prio=0
[ 43.210882] cupsd-363 3..s1 7764898us : execlists_submission_tasklet:
vcs0 completed ctx=2
[ 43.210944] modprobe-339 2..s1 7765132us : execlists_submission_tasklet:
vecs0 in[0]: ctx=2.1, seqno=1, prio=0
[ 43.211005] cupsd-363 3..s. 7765150us : execlists_submission_tasklet:
vecs0 cs-irq head=0 [0], tail=1 [1]
[ 43.211066] cupsd-363 3..s. 7765151us : execlists_submission_tasklet:
vecs0 csb[1]: status=0x00000018:0x00000002, active=0x1
[ 43.211128] cupsd-363 3..s. 7765152us : execlists_submission_tasklet:
vecs0 out[0]: ctx=2.1, seqno=1, prio=0
[ 43.211188] cupsd-363 3..s. 7765152us : execlists_submission_tasklet:
vecs0 completed ctx=2
[ 43.211250] modprobe-339 2..s1 7765338us : execlists_submission_tasklet:
rcs0 in[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.211310] cupsd-363 3..s. 7765354us : execlists_submission_tasklet:
rcs0 cs-irq head=1 [1?], tail=2 [2?]
[ 43.211372] cupsd-363 3..s. 7765355us : execlists_submission_tasklet:
rcs0 csb[2]: status=0x00000001:0x00000000, active=0x1
[ 43.211432] cupsd-363 3..s1 7765372us : execlists_submission_tasklet:
rcs0 cs-irq head=2 [2?], tail=3 [3?]
[ 43.211493] cupsd-363 3..s1 7765373us : execlists_submission_tasklet:
rcs0 csb[3]: status=0x00000018:0x00000000, active=0x5
[ 43.211554] cupsd-363 3..s1 7765373us : execlists_submission_tasklet:
rcs0 out[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.211614] cupsd-363 3..s1 7765375us : execlists_submission_tasklet:
rcs0 completed ctx=0
[ 43.211676] modprobe-339 2..s1 7765383us : execlists_submission_tasklet:
bcs0 in[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.211737] cupsd-363 3..s2 7765414us : execlists_submission_tasklet:
bcs0 cs-irq head=1 [1?], tail=3 [3?]
[ 43.211798] cupsd-363 3..s2 7765415us : execlists_submission_tasklet:
bcs0 csb[2]: status=0x00000001:0x00000000, active=0x1
[ 43.211858] cupsd-363 3..s2 7765415us : execlists_submission_tasklet:
bcs0 csb[3]: status=0x00000018:0x00000000, active=0x5
[ 43.211918] cupsd-363 3..s2 7765416us : execlists_submission_tasklet:
bcs0 out[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.211978] cupsd-363 3..s2 7765417us : execlists_submission_tasklet:
bcs0 completed ctx=0
[ 43.212038] modprobe-339 2..s1 7765460us : execlists_submission_tasklet:
vcs0 in[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.212098] cupsd-363 3..s1 7765474us : execlists_submission_tasklet:
vcs0 cs-irq head=1 [1?], tail=3 [3?]
[ 43.212159] cupsd-363 3..s1 7765475us : execlists_submission_tasklet:
vcs0 csb[2]: status=0x00000001:0x00000000, active=0x1
[ 43.212219] cupsd-363 3..s1 7765476us : execlists_submission_tasklet:
vcs0 csb[3]: status=0x00000018:0x00000000, active=0x5
[ 43.212280] cupsd-363 3..s1 7765476us : execlists_submission_tasklet:
vcs0 out[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.212340] cupsd-363 3..s1 7765477us : execlists_submission_tasklet:
vcs0 completed ctx=0
[ 43.212401] modprobe-339 2..s1 7765511us : execlists_submission_tasklet:
vecs0 in[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.212461] cupsd-363 3..s. 7765525us : execlists_submission_tasklet:
vecs0 cs-irq head=1 [1?], tail=3 [3?]
[ 43.212521] cupsd-363 3..s. 7765526us : execlists_submission_tasklet:
vecs0 csb[2]: status=0x00000001:0x00000000, active=0x1
[ 43.212581] cupsd-363 3..s. 7765527us : execlists_submission_tasklet:
vecs0 csb[3]: status=0x00000018:0x00000000, active=0x5
[ 43.212642] cupsd-363 3..s. 7765528us : execlists_submission_tasklet:
vecs0 out[0]: ctx=0.1, seqno=2, prio=-1024
[ 43.212702] cupsd-363 3..s. 7765528us : execlists_submission_tasklet:
vecs0 completed ctx=0
[ 43.212706] ---------------------------------
[ 43.212710] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul snd_hda_intel snd_hda_codec snd_hwdep
ghash_clmulni_intel snd_hda_core snd_pcm e1000e mei_me mei prime_numbers
[ 43.212743] CPU: 1 PID: 1257 Comm: debugfs_test Not tainted
4.16.0-rc5-CI-CI_DRM_3916+ #1
[ 43.212746] Hardware name: Intel Corporation CannonLake Client
Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231
12/19/2017
[ 43.212798] RIP: 0010:intel_runtime_pm_put+0x4/0x90 [i915]
[ 43.212801] RSP: 0018:ffffc90000ab3d20 EFLAGS: 00010282
[ 43.212806] RAX: 0000000000000006 RBX: 0000030300000303 RCX:
0000000000000008
[ 43.212810] RDX: 0000000000000004 RSI: 0000000000000000 RDI:
0000030300000303
[ 43.212813] RBP: 0000030300000303 R08: 0000000000000001 R09:
0000000000000006
[ 43.212816] R10: 0000000000000006 R11: 0000000000000000 R12:
ffffc90000ab3d52
[ 43.212819] R13: 0000000000000000 R14: 0000000000000001 R15:
ffff88025b1bb9d8
[ 43.212823] FS: 00007ff3c5054980(0000) GS:ffff880271080000(0000)
knlGS:0000000000000000
[ 43.212826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.212830] CR2: 000003030000b16f CR3: 0000000259bd2005 CR4:
0000000000760ee0
[ 43.212833] PKRU: 55555554
[ 43.212836] Call Trace:
[ 43.212889] i915_sseu_status+0xf3/0x350 [i915]
[ 43.212897] ? seq_read+0x28a/0x3b0
[ 43.212904] seq_read+0xe8/0x3b0
[ 43.212911] ? debug_check_no_obj_freed+0x11f/0x230
[ 43.212918] full_proxy_read+0x4b/0x70
[ 43.212924] __vfs_read+0x1e/0x120
[ 43.212930] ? do_sys_open+0x197/0x1f0
[ 43.212936] ? rcu_read_lock_sched_held+0x6f/0x80
[ 43.212941] ? kmem_cache_free+0x285/0x310
[ 43.212945] vfs_read+0x9e/0x150
[ 43.212951] SyS_read+0x40/0xa0
[ 43.212956] do_syscall_64+0x65/0x1a0
[ 43.212962] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 43.212966] RIP: 0033:0x7ff3c49ed34e
[ 43.212969] RSP: 002b:00007ffef04964f8 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[ 43.212974] RAX: ffffffffffffffda RBX: 0000000000000000 RCX:
00007ff3c49ed34e
[ 43.212978] RDX: 0000000000000200 RSI: 00007ffef0496540 RDI:
0000000000000006
[ 43.212981] RBP: 00007ffef0496750 R08: 0000000000000000 R09:
0000000000000020
[ 43.212984] R10: 0000000000000000 R11: 0000000000000246 R12:
0000555e27cf61d0
[ 43.212987] R13: 00007ffef0496c00 R14: 0000000000000000 R15:
0000000000000000
[ 43.212995] Code: b2 f1 e0 0f 0b eb c5 80 3d ec e8 1e 00 00 75 c6 48 c7 c7
50 cf 2a a0 c6 05 dc e8 1e 00 01 e8 04 b2 f1 e0 0f 0b eb af 41 54 55 53 <80> bf
6c ae 00 00 00 48 89 fb 48 8b af 10 04 00 00 4c 8d a5 a0
[ 43.213128] RIP: intel_runtime_pm_put+0x4/0x90 [i915] RSP: ffffc90000ab3d20
[ 43.213131] CR2: 000003030000b16f
[ 43.213136] ---[ end trace b8e18379265bbb83 ]---
[ 43.242052] BUG: sleeping function called from invalid context at
./include/linux/percpu-rwsem.h:34
[ 43.242056] in_atomic(): 0, irqs_disabled(): 1, pid: 1257, name:
debugfs_test
[ 43.242059] INFO: lockdep is turned off.
[ 43.242061] irq event stamp: 133638
[ 43.242069] hardirqs last enabled at (133637): [<00000000bedb49a0>]
_raw_spin_unlock_irqrestore+0x4c/0x60
[ 43.242072] hardirqs last disabled at (133638): [<000000005163ed21>]
error_entry+0x78/0xf0
[ 43.242076] softirqs last enabled at (133340): [<000000007d0a2c70>]
__do_softirq+0x3a1/0x4aa
[ 43.242079] softirqs last disabled at (133319): [<0000000048cf38b4>]
irq_exit+0xa4/0xb0
[ 43.242083] CPU: 1 PID: 1257 Comm: debugfs_test Tainted: G D
4.16.0-rc5-CI-CI_DRM_3916+ #1
[ 43.242085] Hardware name: Intel Corporation CannonLake Client
Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231
12/19/2017
[ 43.242088] Call Trace:
[ 43.242094] dump_stack+0x5f/0x86
[ 43.242098] ___might_sleep+0x1d9/0x240
[ 43.242104] exit_signals+0x1b/0x2a0
[ 43.242108] do_exit+0x93/0xcb0
[ 43.242113] ? SyS_read+0x40/0xa0
[ 43.242119] rewind_stack_do_exit+0x17/0x20
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3916/fi-cnl-drrs/igt@debugfs_test@read_all_entries.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3916/fi-cnl-drrs/igt@debugfs_test@read_all_entries.html</a></pre>
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