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<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 - [BAT][BXT] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:604!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102035">102035</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BAT][BXT] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:604!
</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>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>On CI_DRM_2915, the machine fi-bxt-j4205 produced the following kernel BUG when
running igt@kms_pipe_crc_basic@nonblocking-crc-pipe-b:
<4>[ 412.528644] ------------[ cut here ]------------
<2>[ 412.528664] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:604!
<4>[ 412.528680] invalid opcode: 0000 [#1] PREEMPT SMP
<4>[ 412.528691] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm r8169 mei_me mii mei
lpc_ich prime_numbers i2c_hid pinctrl_broxton pinctrl_intel
<4>[ 412.529242] CPU: 2 PID: 4271 Comm: kms_pipe_crc_ba Tainted: G U W
4.13.0-rc3-CI-CI_DRM_2915+ #1
<4>[ 412.529262] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./J4205-ITX, BIOS P1.10 09/29/2016
<4>[ 412.529283] task: ffff88027663ce40 task.stack: ffffc90000b5c000
<4>[ 412.529371] RIP: 0010:intel_lrc_irq_handler+0x25c/0x500 [i915]
<4>[ 412.529383] RSP: 0018:ffff88027fd03ea0 EFLAGS: 00010202
<4>[ 412.529412] RAX: 0000000000000000 RBX: 0000000000000003 RCX:
ffff880263ccb1c0
<4>[ 412.529426] RDX: 0000000000000006 RSI: ffffc900008223a0 RDI:
00000000ffffffff
<4>[ 412.529440] RBP: ffff88027fd03f00 R08: ffff88026f6e0000 R09:
0000000000000000
<4>[ 412.529454] R10: ffff88026cae8058 R11: 0000000000000000 R12:
ffff88026cae8008
<4>[ 412.529468] R13: 0000000000008002 R14: 0000000000000003 R15:
ffffc90000822370
<4>[ 412.529483] FS: 00007f2e25787a40(0000) GS:ffff88027fd00000(0000)
knlGS:0000000000000000
<4>[ 412.529501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 412.529513] CR2: 000000401903a088 CR3: 00000002187f0000 CR4:
00000000003406e0
<4>[ 412.529526] Call Trace:
<4>[ 412.529534] <IRQ>
<4>[ 412.529547] tasklet_hi_action+0x93/0x120
<4>[ 412.529558] __do_softirq+0xbb/0x4b0
<4>[ 412.529570] irq_exit+0xa9/0xc0
<4>[ 412.529581] do_IRQ+0x6c/0x130
<4>[ 412.529592] common_interrupt+0x90/0x90
<4>[ 412.529602] RIP: 0010:_raw_spin_unlock_irqrestore+0x54/0x60
<4>[ 412.529614] RSP: 0018:ffffc90000b5fa48 EFLAGS: 00000206 ORIG_RAX:
ffffffffffffff6d
<4>[ 412.529634] RAX: ffffffffffffffff RBX: 0000000000000206 RCX:
0000000000000000
<4>[ 412.529648] RDX: ffffffff8146d625 RSI: 0000000000000001 RDI:
ffffffff8188f292
<4>[ 412.529662] RBP: ffffc90000b5fa58 R08: 0000000000000001 R09:
0000000000000000
<4>[ 412.529676] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffffff82da4028
<4>[ 412.529690] R13: ffffffffa025ae60 R14: ffff880273e1a008 R15:
ffff880263cc9348
<4>[ 412.529704] </IRQ>
<4>[ 412.529714] ? __debug_object_init+0x215/0x420
<4>[ 412.529725] ? _raw_spin_unlock_irqrestore+0x52/0x60
<4>[ 412.529738] __debug_object_init+0x215/0x420
<4>[ 412.529782] ? reset_all_global_seqno.part.7+0x108/0x108 [i915]
<4>[ 412.529796] debug_object_init+0x16/0x20
<4>[ 412.529834] __i915_sw_fence_init+0x2e/0x60 [i915]
<4>[ 412.529879] i915_gem_request_alloc+0x191/0x400 [i915]
<4>[ 412.529922] i915_gem_do_execbuffer+0x6ba/0x12b0 [i915]
<4>[ 412.529941] ? lock_acquire+0xb0/0x200
<4>[ 412.529953] ? __might_fault+0x39/0x90
<4>[ 412.529995] i915_gem_execbuffer2+0x9e/0x1a0 [i915]
<4>[ 412.530038] ? i915_gem_execbuffer+0x2b0/0x2b0 [i915]
<4>[ 412.530052] drm_ioctl_kernel+0x64/0xb0
<4>[ 412.530063] drm_ioctl+0x2f4/0x3d0
<4>[ 412.530107] ? i915_gem_execbuffer+0x2b0/0x2b0 [i915]
<4>[ 412.530125] ? mntput_no_expire+0x7f/0x3d0
<4>[ 412.530136] ? mntput+0x1f/0x30
<4>[ 412.530147] do_vfs_ioctl+0x8f/0x660
<4>[ 412.530158] ? task_work_run+0x8f/0xb0
<4>[ 412.530169] SyS_ioctl+0x3c/0x70
<4>[ 412.530180] entry_SYSCALL_64_fastpath+0x1c/0xb1
<4>[ 412.530191] RIP: 0033:0x7f2e2397cf07
<4>[ 412.530200] RSP: 002b:00007ffe0be94258 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4>[ 412.530218] RAX: ffffffffffffffda RBX: 0000000000000006 RCX:
00007f2e2397cf07
<4>[ 412.530232] RDX: 00007ffe0be942f0 RSI: 0000000040406469 RDI:
0000000000000004
<4>[ 412.530245] RBP: 0000000000000000 R08: 0000000000000008 R09:
0000000000000000
<4>[ 412.530259] R10: 000000000000001f R11: 0000000000000246 R12:
0000000000000001
<4>[ 412.530273] R13: 00007f2e23c45c40 R14: 0000000000000000 R15:
0000000000000000
<4>[ 412.530289] Code: ff 41 83 e5 08 0f 85 d8 fe ff ff 0f 0b 0f 0b 0f 0b 48
89 cf 4c 89 45 c0 4c 89 55 c8 e8 be 4c 47 e1 4c 8b 45 c0 4c 8b 55 c8 eb 92 <0f>
0b 0f 0b 49 8d 84 24 40 03 00 00 48 83 e2 fc 48 89 45 a8 74
<1>[ 412.530434] RIP: intel_lrc_irq_handler+0x25c/0x500 [i915] RSP:
ffff88027fd03ea0
<4>[ 412.530481] ---[ end trace 8d25a06d708c0561 ]---
<0>[ 412.740935] Kernel panic - not syncing: Fatal exception in interrupt
<0>[ 412.740975] Kernel Offset: disabled
Full logs:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2915/fi-bxt-j4205/igt@kms_pipe_crc_basic@nonblocking-crc-pipe-b.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2915/fi-bxt-j4205/igt@kms_pipe_crc_basic@nonblocking-crc-pipe-b.html</a></pre>
</div>
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