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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] [HSW] drv_hangman/error-state-basic failing frequently in CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99706">bug 99706</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;">Summary</td>
<td>[BAT] [HSW] drv_hangman/error-state-basic failing constantly in CI
</td>
<td>[BAT] [HSW] drv_hangman/error-state-basic failing frequently in CI
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] [HSW] drv_hangman/error-state-basic failing frequently in CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99706#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] [HSW] drv_hangman/error-state-basic failing frequently in CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99706">bug 99706</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>[ 88.317089] INFO: rcu_preempt self-detected stall on CPU
[ 88.317095] 6-...: (64998 ticks this GP) idle=9fd/140000000000002/0
softirq=5389/5389 fqs=15893
[ 88.317098] (t=65000 jiffies g=2237 c=2236 q=580)
[ 88.317114] Task dump for CPU 6:
[ 88.317114] drv_hangman R running task 0 6133 6105 0x00000008
[ 88.317116] Call Trace:
[ 88.317117] <IRQ>
[ 88.317121] sched_show_task+0x15d/0x260
[ 88.317122] ? sched_show_task+0x86/0x260
[ 88.317123] dump_cpu_task+0x32/0x40
[ 88.317140] rcu_dump_cpu_stacks+0x99/0xbd
[ 88.317142] rcu_check_callbacks+0x93f/0xba0
[ 88.317144] ? __this_cpu_preempt_check+0x13/0x20
[ 88.317146] ? trace_hardirqs_off_caller+0x9a/0x130
[ 88.317147] ? trace_hardirqs_off+0xd/0x10
[ 88.317149] ? tick_sched_handle.isra.7+0x30/0x30
[ 88.317150] update_process_times+0x2a/0x50
[ 88.317151] tick_sched_handle.isra.7+0x29/0x30
[ 88.317152] tick_sched_timer+0x40/0x70
[ 88.317153] __hrtimer_run_queues+0x101/0x560
[ 88.317154] hrtimer_interrupt+0xb9/0x210
[ 88.317155] local_apic_timer_interrupt+0x31/0x50
[ 88.317156] smp_apic_timer_interrupt+0x33/0x50
[ 88.317159] apic_timer_interrupt+0x90/0xa0
[ 88.317161] RIP: 0010:__do_softirq+0x98/0x4c0
[ 88.317161] RSP: 0018:ffff88041eb83f70 EFLAGS: 00000206 ORIG_RAX:
ffffffffffffff10
[ 88.317162] RAX: 00000000ffffffff RBX: ffff880403d62740 RCX:
0000000000000000
[ 88.317163] RDX: 0000000000000000 RSI: ffffffff81c97524 RDI:
ffffffff81c73209
[ 88.317163] RBP: ffff88041eb83fc0 R08: 0000000000000000 R09:
0000000000000000
[ 88.317164] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000001
[ 88.317164] R13: ffffc90001aafc70 R14: 0000000000000001 R15:
ffff8804065355c0
[ 88.317165] irq_exit+0xa9/0xc0
[ 88.317166] smp_apic_timer_interrupt+0x38/0x50
[ 88.317167] apic_timer_interrupt+0x90/0xa0
[ 88.317168] RIP: 0010:_raw_spin_unlock_irq+0x2d/0x50
[ 88.317169] RSP: 0018:ffffc90001aafbe0 EFLAGS: 00000206 ORIG_RAX:
ffffffffffffff10
[ 88.317170] RAX: ffff880403d62740 RBX: ffff8803ff380058 RCX:
0000000000000001
[ 88.317170] RDX: 0000000000000000 RSI: ffffffff81c97524 RDI:
0000000000000001
[ 88.317171] RBP: ffffc90001aafbe8 R08: 0000000000000000 R09:
0000000000000000
[ 88.317171] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000001
[ 88.317171] R13: ffffc90001aafc70 R14: 0000000000000001 R15:
ffff8804065355c0
[ 88.317172] </IRQ>
[ 88.317194] intel_engine_add_wait+0x31/0x40 [i915]
[ 88.317208] i915_wait_request+0x2e6/0x800 [i915]
[ 88.317209] ? wake_atomic_t_function+0x30/0x30
[ 88.317220] i915_gem_object_wait_fence+0x172/0x1a0 [i915]
[ 88.317231] i915_gem_object_wait+0x29a/0x380 [i915]
[ 88.317242] i915_gem_wait_ioctl+0x12c/0x290 [i915]
[ 88.317253] ? i915_gem_wait_ioctl+0x22/0x290 [i915]
[ 88.317255] drm_ioctl+0x200/0x450
[ 88.317266] ? i915_gem_close_object+0x120/0x120 [i915]
[ 88.317267] do_vfs_ioctl+0x90/0x6e0
[ 88.317269] ? entry_SYSCALL_64_fastpath+0x5/0xb1
[ 88.317270] ? __this_cpu_preempt_check+0x13/0x20
[ 88.317271] ? trace_hardirqs_on_caller+0xe7/0x200
[ 88.317272] SyS_ioctl+0x3c/0x70
[ 88.317273] entry_SYSCALL_64_fastpath+0x1c/0xb1
[ 88.317274] RIP: 0033:0x7f2be2bc8357
[ 88.317274] RSP: 002b:00007fff9c213d78 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 88.317275] RAX: ffffffffffffffda RBX: ffffffff81474e03 RCX:
00007f2be2bc8357
[ 88.317276] RDX: 00007fff9c213db0 RSI: 00000000c010646c RDI:
0000000000000003
[ 88.317276] RBP: ffffc90001aaff88 R08: 0000000000000008 R09:
0000000000000023
[ 88.317276] R10: 000000000000000b R11: 0000000000000246 R12:
0000000000000000
[ 88.317277] R13: 0000000000000003 R14: 00000000c010646c R15:
0000000000000000
[ 88.317278] ? __this_cpu_preempt_check+0x13/0x20
is usually a missed irqsafe spin_lock.</pre>
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