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<body><span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms_flip@wf_vblank-vs-dpms[-s-interruptible] - Incomplete - INFO: task kms_flip:8510 blocked for more than 60 seconds."
href="https://bugs.freedesktop.org/show_bug.cgi?id=103608">bug 103608</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">i915 features</td>
<td>
</td>
<td>display/Other
</td>
</tr>
<tr>
<td style="text-align:right;">i915 platform</td>
<td>
</td>
<td>HSW
</td>
</tr>
<tr>
<td style="text-align:right;">Whiteboard</td>
<td>
</td>
<td>ReadyForDev
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms_flip@wf_vblank-vs-dpms[-s-interruptible] - Incomplete - INFO: task kms_flip:8510 blocked for more than 60 seconds."
href="https://bugs.freedesktop.org/show_bug.cgi?id=103608#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms_flip@wf_vblank-vs-dpms[-s-interruptible] - Incomplete - INFO: task kms_flip:8510 blocked for more than 60 seconds."
href="https://bugs.freedesktop.org/show_bug.cgi?id=103608">bug 103608</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3315/shard-hsw8/igt@kms_flip@wf_vblank-vs-dpms-interruptible.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3315/shard-hsw8/igt@kms_flip@wf_vblank-vs-dpms-interruptible.html</a>
<3>[ 553.953286] INFO: task kms_flip:3392 blocked for more than 60 seconds.
<3>[ 553.953287] Tainted: G U 4.14.0-rc8-CI-CI_DRM_3315+ #1
<3>[ 553.953288] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
<6>[ 553.953288] kms_flip D 0 3392 2292 0x00000004
<4>[ 553.953290] Call Trace:
<4>[ 553.953294] __schedule+0x3c3/0xaf0
<4>[ 553.953295] schedule+0x40/0x90
<4>[ 553.953296] schedule_preempt_disabled+0x18/0x30
<4>[ 553.953298] __mutex_lock+0x2bb/0x9b0
<4>[ 553.953300] ? drm_mode_getconnector+0x15c/0x3c0
<4>[ 553.953302] ? mutex_unlock+0x12/0x20
<4>[ 553.953303] mutex_lock_nested+0x1b/0x20
<4>[ 553.953304] ? mutex_lock_nested+0x1b/0x20
<4>[ 553.953305] drm_mode_getconnector+0x15c/0x3c0
<4>[ 553.953307] ? drm_mode_connector_property_set_ioctl+0x40/0x40
<4>[ 553.953308] drm_ioctl_kernel+0x69/0xb0
<4>[ 553.953310] drm_ioctl+0x2f9/0x3d0
<4>[ 553.953310] ? drm_mode_connector_property_set_ioctl+0x40/0x40
<4>[ 553.953313] ? __vfs_read+0x28/0x120
<4>[ 553.953315] do_vfs_ioctl+0x94/0x670
<4>[ 553.953316] ? vfs_read+0x12d/0x150
<4>[ 553.953317] SyS_ioctl+0x41/0x70
<4>[ 553.953319] entry_SYSCALL_64_fastpath+0x1c/0xb1
<4>[ 553.953320] RIP: 0033:0x7f983e910587
<4>[ 553.953320] RSP: 002b:00007ffd130688d8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4>[ 553.953321] RAX: ffffffffffffffda RBX: 0000000000000003 RCX:
00007f983e910587
<4>[ 553.953321] RDX: 00007ffd13068910 RSI: 00000000c05064a7 RDI:
0000000000000003
<4>[ 553.953322] RBP: 00007ffd130689f0 R08: 000056182f177ca0 R09:
0000000000000000
<4>[ 553.953322] R10: 0000000000000073 R11: 0000000000000246 R12:
00000000c01064ab
<4>[ 553.953323] R13: 0000000000000003 R14: 0000000000000001 R15:
0000000000000004
<4>[ 553.953324] INFO: lockdep is turned off.
<4>[ 553.953325] NMI backtrace for cpu 1
<4>[ 553.953326] CPU: 1 PID: 66 Comm: khungtaskd Tainted: G U
4.14.0-rc8-CI-CI_DRM_3315+ #1
<4>[ 553.953326] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 553.953327] Call Trace:
<4>[ 553.953328] dump_stack+0x68/0x9f
<4>[ 553.953330] nmi_cpu_backtrace+0xbe/0xc0
<4>[ 553.953333] ? irq_force_complete_move+0xe0/0xe0
<4>[ 553.953333] nmi_trigger_cpumask_backtrace+0xc0/0x100
<4>[ 553.953335] arch_trigger_cpumask_backtrace+0x19/0x20
<4>[ 553.953336] watchdog+0x454/0x610
<4>[ 553.953338] kthread+0x114/0x150
<4>[ 553.953338] ? reset_hung_task_detector+0x20/0x20
<4>[ 553.953339] ? kthread_create_on_node+0x40/0x40
<4>[ 553.953340] ret_from_fork+0x27/0x40
<6>[ 553.953341] Sending NMI from CPU 1 to CPUs 0,2-7:
<4>[ 553.953459] NMI backtrace for cpu 5 skipped: idling at pc
0xffffffff81911925
<4>[ 553.953460] NMI backtrace for cpu 0 skipped: idling at pc
0xffffffff81911925
<4>[ 553.953462] NMI backtrace for cpu 6 skipped: idling at pc
0xffffffff81911925
<4>[ 553.953463] NMI backtrace for cpu 7 skipped: idling at pc
0xffffffff81911925
<4>[ 553.953465] NMI backtrace for cpu 2 skipped: idling at pc
0xffffffff81911925
<4>[ 553.953466] NMI backtrace for cpu 3 skipped: idling at pc
0xffffffff81911925
<4>[ 553.954343] NMI backtrace for cpu 4
<4>[ 553.954344] CPU: 4 PID: 224 Comm: kworker/4:2 Tainted: G U
4.14.0-rc8-CI-CI_DRM_3315+ #1
<4>[ 553.954344] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 553.954344] Workqueue: events i915_hpd_poll_init_work [i915]
<4>[ 553.954345] task: ffff88040a628040 task.stack: ffffc90000388000
<4>[ 553.954345] RIP: 0010:io_serial_in+0x18/0x20
<4>[ 553.954345] RSP: 0018:ffffc9000038bad8 EFLAGS: 00000002
<4>[ 553.954346] RAX: 0000000080000000 RBX: ffffffff836212c0 RCX:
0000000000000000
<4>[ 553.954346] RDX: 00000000000003fd RSI: 0000000000000005 RDI:
ffffffff836212c0
<4>[ 553.954346] RBP: ffffc9000038bad8 R08: 0000000000000001 R09:
0000000000000001
<4>[ 553.954346] R10: ffffc9000038bac8 R11: ffffffff815b0141 R12:
0000000000002706
<4>[ 553.954347] R13: 0000000000000020 R14: ffffffff82ca4f0d R15:
ffffffff836212c0
<4>[ 553.954347] FS: 0000000000000000(0000) GS:ffff88041fb00000(0000)
knlGS:0000000000000000
<4>[ 553.954347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 553.954347] CR2: 00007f983b5c0220 CR3: 0000000003e0f006 CR4:
00000000001606e0
<4>[ 553.954347] Call Trace:
<4>[ 553.954348] wait_for_xmitr+0x41/0xa0
<4>[ 553.954348] serial8250_console_putchar+0x1c/0x30
<4>[ 553.954348] ? wait_for_xmitr+0xa0/0xa0
<4>[ 553.954348] uart_console_write+0x30/0x70
<4>[ 553.954348] serial8250_console_write+0xd9/0x270
<4>[ 553.954349] ? vt_console_print+0x225/0x3b0
<4>[ 553.954349] ? msg_print_text+0x9d/0x100
<4>[ 553.954349] univ8250_console_write+0x26/0x30
<4>[ 553.954349] console_unlock+0x430/0x570
<4>[ 553.954350] vprintk_emit+0x254/0x3b0
<4>[ 553.954350] ? wake_up_q+0x59/0x80
<4>[ 553.954350] vprintk_default+0x1f/0x30
<4>[ 553.954350] vprintk_func+0x2c/0x90
<4>[ 553.954351] printk+0x43/0x4b
<4>[ 553.954351] ? drm_helper_hpd_irq_event+0xcc/0x110
<4>[ 553.954351] drm_printk+0x8e/0x90
<4>[ 553.954351] drm_helper_hpd_irq_event+0xcc/0x110
<4>[ 553.954352] i915_hpd_poll_init_work+0xc5/0x100 [i915]
<4>[ 553.954352] process_one_work+0x221/0x650
<4>[ 553.954352] worker_thread+0x4e/0x3c0
<4>[ 553.954352] kthread+0x114/0x150
<4>[ 553.954352] ? process_one_work+0x650/0x650
<4>[ 553.954353] ? kthread_create_on_node+0x40/0x40
<4>[ 553.954353] ret_from_fork+0x27/0x40
<4>[ 553.954353] Code: 48 89 e5 d3 e6 48 63 f6 48 03 77 40 8b 06 5d c3 0f 1f
00 0f 1f 44 00 00 0f b6 8f d1 00 00 00 8b 57 38 55 48 89 e5 d3 e6 01 f2 ec <0f>
b6 c0 5d c3 0f 1f 00 0f 1f 44 00 00 0f b6 8f d1 00 00 00 89
<0>[ 553.954371] Kernel panic - not syncing: hung_task: blocked tasks
<4>[ 553.954372] CPU: 1 PID: 66 Comm: khungtaskd Tainted: G U
4.14.0-rc8-CI-CI_DRM_3315+ #1
<4>[ 553.954373] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
<4>[ 553.954373] Call Trace:
<4>[ 553.954374] dump_stack+0x68/0x9f
<4>[ 553.954375] panic+0xd4/0x21d
<4>[ 553.954377] watchdog+0x460/0x610
<4>[ 553.954378] kthread+0x114/0x150
<4>[ 553.954379] ? reset_hung_task_detector+0x20/0x20
<4>[ 553.954379] ? kthread_create_on_node+0x40/0x40
<4>[ 553.954380] ret_from_fork+0x27/0x40
<0>[ 553.956376] Kernel Offset: disabled</pre>
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