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<head>
<base href="https://bugs.freedesktop.org/">
</head>
<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][DRMTIP] igt@kms_frontbuffer_tracking@ - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 in intel_psr_set_debugfs_mode"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107792">107792</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI][DRMTIP] igt@kms_frontbuffer_tracking@ - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 in intel_psr_set_debugfs_mode
</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><a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_98/fi-icl-u/igt@kms_frontbuffer_tracking@psr-1p-offscren-pri-shrfb-draw-mmap-cpu.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_98/fi-icl-u/igt@kms_frontbuffer_tracking@psr-1p-offscren-pri-shrfb-draw-mmap-cpu.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_99/fi-icl-u/igt@kms_frontbuffer_tracking@fbc-stridechange.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_99/fi-icl-u/igt@kms_frontbuffer_tracking@fbc-stridechange.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_99/fi-icl-u/igt@kms_frontbuffer_tracking@psr-1p-primscrn-spr-indfb-draw-mmap-cpu.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_99/fi-icl-u/igt@kms_frontbuffer_tracking@psr-1p-primscrn-spr-indfb-draw-mmap-cpu.html</a>
The best pstore was from the run 99:
<1>[ 42.493574] BUG: unable to handle kernel NULL pointer dereference at
0000000000000080
<6>[ 42.493578] PGD 0 P4D 0
<4>[ 42.493583] Oops: 0000 [#1] PREEMPT SMP PTI
<4>[ 42.493587] CPU: 5 PID: 1239 Comm: kms_frontbuffer Tainted: G U W
4.19.0-rc1-gb4059d5fdbfd-drmtip_99+ #1
<4>[ 42.493592] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2313.A01.1808012121
08/01/2018
<4>[ 42.493599] RIP: 0010:__lock_acquire+0x47b/0x1b50
<4>[ 42.493602] Code: 65 48 33 34 25 28 00 00 00 44 89 f0 0f 85 f8 0d 00 00
48 81 c4 b0 00 00 00 5b 41 5a 41 5c 41 5d 41 5e 41 5f 5d 49 8d 62 f8 c3 <49> 81
3b 80 40 82 98 41 be 00 00 00 00 44 0f 45 f0 83 fe 01 0f 87
<4>[ 42.493606] RSP: 0018:ffffb8184138fb00 EFLAGS: 00010002
<4>[ 42.493609] RAX: 0000000000000001 RBX: 0000000000000001 RCX:
0000000000000000
<4>[ 42.493613] RDX: 0000000000000046 RSI: 0000000000000000 RDI:
0000000000000000
<4>[ 42.493617] RBP: ffffb8184138fbe0 R08: ffffffff97951638 R09:
0000000000000001
<4>[ 42.493621] R10: 0000000000000000 R11: 0000000000000080 R12:
ffffa3edda560040
<4>[ 42.493623] R13: 0000000000000001 R14: 0000000000000001 R15:
0000000000000046
<4>[ 42.493625] FS: 00007fad02675980(0000) GS:ffffa3edf0740000(0000)
knlGS:0000000000000000
<4>[ 42.493627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 42.493636] CR2: 0000000000000080 CR3: 000000049386c004 CR4:
0000000000760ee0
<4>[ 42.493639] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[ 42.493642] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[ 42.493644] PKRU: 55555554
<4>[ 42.493647] Call Trace:
<4>[ 42.493656] ? lock_acquire+0xa6/0x1c0
<4>[ 42.493661] ? drm_modeset_lock+0x3b/0x110
<4>[ 42.493666] ? lock_acquire+0xa6/0x1c0
<4>[ 42.493669] lock_acquire+0xa6/0x1c0
<4>[ 42.493674] ? wait_for_common+0x48/0x1f0
<4>[ 42.493681] _raw_spin_lock_irq+0x30/0x40
<4>[ 42.493685] ? wait_for_common+0x48/0x1f0
<4>[ 42.493688] wait_for_common+0x48/0x1f0
<4>[ 42.493692] ? ww_mutex_lock_interruptible+0x39/0xa0
<4>[ 42.493697] ? ww_mutex_lock_interruptible+0x39/0xa0
<4>[ 42.493702] wait_for_completion_interruptible+0x14/0x30
<4>[ 42.493746] intel_psr_set_debugfs_mode+0x99/0x240 [i915]
<4>[ 42.493782] i915_edp_psr_debug_set+0x87/0xe0 [i915]
<4>[ 42.493789] simple_attr_write+0xb0/0xd0
<4>[ 42.493792] full_proxy_write+0x51/0x80
<4>[ 42.493796] __vfs_write+0x31/0x180
<4>[ 42.493799] ? rcu_lockdep_current_cpu_online+0x8f/0xd0
<4>[ 42.493802] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 42.493804] ? rcu_sync_lockdep_assert+0x29/0x50
<4>[ 42.493807] ? __sb_start_write+0x152/0x1f0
<4>[ 42.493809] ? __sb_start_write+0x168/0x1f0
<4>[ 42.493811] vfs_write+0xbd/0x1b0
<4>[ 42.493813] ksys_write+0x50/0xc0
<4>[ 42.493816] do_syscall_64+0x55/0x190
<4>[ 42.493819] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[ 42.493821] RIP: 0033:0x7fad01bd4281
<4>[ 42.493824] Code: c3 0f 1f 84 00 00 00 00 00 48 8b 05 59 8d 20 00 c3 0f
1f 84 00 00 00 00 00 8b 05 8a d1 20 00 85 c0 75 16 b8 01 00 00 00 0f 05 <48> 3d
00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53
<4>[ 42.493825] RSP: 002b:00007ffc57e45158 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
<4>[ 42.493827] RAX: ffffffffffffffda RBX: 000055a3bd1bdf9d RCX:
00007fad01bd4281
<4>[ 42.493829] RDX: 0000000000000003 RSI: 00007fad02279fc4 RDI:
0000000000000006
<4>[ 42.493830] RBP: 00007ffc57e45180 R08: 0000000000000000 R09:
0000000000000000
<4>[ 42.493833] R10: 0000000000000000 R11: 0000000000000246 R12:
00007fad022785ac
<4>[ 42.493834] R13: 000055a3bd1bdf8b R14: 000055a3bd1bdf79 R15:
000055a3bd1bdf79
<4>[ 42.493837] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 ax88179_178a x86_pkg_temp_thermal usbnet coretemp
mii crct10dif_pclmul snd_hda_intel crc32_pclmul ghash_clmulni_intel
snd_hda_codec e1000e snd_hwdep snd_hda_core snd_pcm prime_numbers
<0>[ 42.493865] Dumping ftrace buffer:
<0>[ 42.493868] ---------------------------------
[...]
and
<14>[ 39.678421] [IGT] kms_frontbuffer_tracking: starting subtest
psr-1p-primscrn-spr-indfb-draw-mmap-cpu
<5>[ 39.678585] Setting dangerous option enable_fbc - tainting kernel
<7>[ 39.678755] [drm:i915_edp_psr_debug_set [i915]] Setting PSR debug to f
<7>[ 39.678813] [drm:intel_psr_set_debugfs_mode [i915]] Invalid debug mask f
<7>[ 39.678963] [drm:i915_edp_psr_debug_set [i915]] Setting PSR debug to 1
<1>[ 39.678988] BUG: unable to handle kernel NULL pointer dereference at
0000000000000080
<6>[ 39.678992] PGD 0 P4D 0
<4>[ 39.678998] Oops: 0000 [#1] PREEMPT SMP PTI
<4>[ 39.679005] CPU: 0 PID: 1245 Comm: kms_frontbuffer Tainted: G U W
4.19.0-rc1-gb4059d5fdbfd-drmtip_99+ #1
<4>[ 39.679008] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2313.A01.1808012121
08/01/2018
<4>[ 39.679015] RIP: 0010:__lock_acquire+0x47b/0x1b50
<4>[ 39.679021] Code: 65 48 33 34 25 28 00 00 00 44 89 f0 0f 85 f8 0d 00 00
48 81 c4 b0 00 00 00 5b 41 5a 41 5c 41 5d 41 5e 41 5f 5d 49 8d 62 f8 c3 <49> 81
3b 80 40 82 bb 41 be 00 00 00 00 44 0f 45 f0 83 fe 01 0f 87
<4>[ 39.679024] RSP: 0018:ffffb3c241343b00 EFLAGS: 00010002
<4>[ 39.679030] RAX: 0000000000000001 RBX: 0000000000000001 RCX:
0000000000000000
<4>[ 39.679033] RDX: 0000000000000046 RSI: 0000000000000000 RDI:
0000000000000000
<4>[ 39.679035] RBP: ffffb3c241343be0 R08: ffffffffba951638 R09:
0000000000000001
<4>[ 39.679041] R10: 0000000000000000 R11: 0000000000000080 R12:
ffffa084e0fec040
<4>[ 39.679045] R13: 0000000000000001 R14: 0000000000000001 R15:
0000000000000046
<4>[ 39.679048] FS: 00007ff8f5598980(0000) GS:ffffa084f0600000(0000)
knlGS:0000000000000000
<4>[ 39.679050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 39.679057] CR2: 0000000000000080 CR3: 0000000491364004 CR4:
0000000000760ef0
<4>[ 39.679059] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[ 39.679062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[ 39.679067] PKRU: 55555554
<4>[ 39.679069] Call Trace:
<4>[ 39.679074] ? lock_acquire+0xa6/0x1c0
<4>[ 39.679079] ? drm_modeset_lock+0x3b/0x110
<4>[ 39.679084] ? lock_acquire+0xa6/0x1c0
<4>[ 39.679087] lock_acquire+0xa6/0x1c0
<4>[ 39.679096] ? wait_for_common+0x48/0x1f0
<4>[ 39.679103] _raw_spin_lock_irq+0x30/0x40
<4>[ 39.679106] ? wait_for_common+0x48/0x1f0
<4>[ 39.679111] wait_for_common+0x48/0x1f0
<4>[ 39.679117] ? ww_mutex_lock_interruptible+0x39/0xa0
<4>[ 39.679121] ? ww_mutex_lock_interruptible+0x39/0xa0
<4>[ 39.679128] wait_for_completion_interruptible+0x14/0x30
<4>[ 39.679180] intel_psr_set_debugfs_mode+0x99/0x240 [i915]
<4>[ 39.679223] i915_edp_psr_debug_set+0x87/0xe0 [i915]
<4>[ 39.679244] simple_attr_write+0xb0/0xd0
<4>[ 39.679250] full_proxy_write+0x51/0x80
<4>[ 39.679254] __vfs_write+0x31/0x180
<4>[ 39.679257] ? rcu_lockdep_current_cpu_online+0x8f/0xd0
<4>[ 39.679260] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 39.679262] ? rcu_sync_lockdep_assert+0x29/0x50
<4>[ 39.679264] ? __sb_start_write+0x152/0x1f0
<4>[ 39.679266] ? __sb_start_write+0x168/0x1f0
<4>[ 39.679268] vfs_write+0xbd/0x1b0
<4>[ 39.679271] ksys_write+0x50/0xc0
<4>[ 39.679274] do_syscall_64+0x55/0x190
<4>[ 39.679277] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[ 39.679279] RIP: 0033:0x7ff8f4af7281
<4>[ 39.679282] Code: c3 0f 1f 84 00 00 00 00 00 48 8b 05 59 8d 20 00 c3 0f
1f 84 00 00 00 00 00 8b 05 8a d1 20 00 85 c0 75 16 b8 01 00 00 00 0f 05 <48> 3d
00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53
<4>[ 39.679283] RSP: 002b:00007ffe83366688 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
<4>[ 39.679286] RAX: ffffffffffffffda RBX: 000055a880375f93 RCX:
00007ff8f4af7281
<4>[ 39.679287] RDX: 0000000000000003 RSI: 00007ff8f519cfc4 RDI:
0000000000000006
<4>[ 39.679288] RBP: 00007ffe833666b0 R08: 0000000000000000 R09:
0000000000000000
<4>[ 39.679290] R10: 0000000000000000 R11: 0000000000000246 R12:
000055a880375f97
<4>[ 39.679292] R13: 00007ff8f519b587 R14: 000055a880375f6a R15:
000055a880375f70
<4>[ 39.679294] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 ax88179_178a usbnet mii x86_pkg_temp_thermal
coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel
snd_hda_codec snd_hwdep snd_hda_core e1000e snd_pcm prime_numbers
<0>[ 39.679311] Dumping ftrace buffer:
<0>[ 39.679312] ---------------------------------</pre>
</div>
</p>
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