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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BXT][BAT] gem_exec_suspend@basic-s4-devices dmesg warning"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100125">100125</a>
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<tr>
<th>Summary</th>
<td>[BXT][BAT] gem_exec_suspend@basic-s4-devices dmesg warning
</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>jani.saarinen@intel.com
</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>
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<pre>On CI on Joule bxt-t5700 gem_exec_suspend@basic-s4-devices causes dmesg warning
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2306/fi-bxt-t5700/igt@gem_exec_suspend@basic-s4-devices.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2306/fi-bxt-t5700/igt@gem_exec_suspend@basic-s4-devices.html</a>
Dmesg
[ 468.379071] Suspending console(s) (use no_console_suspend to debug)
[ 473.772679] usb usb1: root hub lost power or was reset
[ 473.772881] usb usb2: root hub lost power or was reset
[ 474.370142] ------------[ cut here ]------------
[ 474.370183] WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:316
dev_watchdog+0x225/0x230
[ 474.370197] Modules linked in: ax88179_178a usbnet mii x86_pkg_temp_thermal
intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core mei_me
snd_pcm mei mmc_block i915 sdhci_pci sdhci mmc_core prime_numbers i2c_hid
pinctrl_broxton pinctrl_intel
[ 474.370409] CPU: 2 PID: 0 Comm: swapper/2 Not tainted
4.11.0-rc1-CI-CI_DRM_2306+ #1
[ 474.370412] Hardware name: Intel Corp. Broxton M/SDS, BIOS
GTPPA16A.X64.0143.B30.1608112014 08/11/2016
[ 474.370414] Call Trace:
[ 474.370417] <IRQ>
[ 474.370425] dump_stack+0x67/0x92
[ 474.370432] __warn+0xc6/0xe0
[ 474.370437] warn_slowpath_fmt+0x4a/0x50
[ 474.370445] dev_watchdog+0x225/0x230
[ 474.370449] ? qdisc_rcu_free+0x40/0x40
[ 474.370452] ? qdisc_rcu_free+0x40/0x40
[ 474.370456] call_timer_fn+0x92/0x380
[ 474.370459] ? process_timeout+0x10/0x10
[ 474.370463] ? qdisc_rcu_free+0x40/0x40
[ 474.370467] expire_timers+0x150/0x1f0
[ 474.370472] run_timer_softirq+0x7c/0x160
[ 474.370480] __do_softirq+0x116/0x4c0
[ 474.370486] irq_exit+0xa9/0xc0
[ 474.370491] smp_apic_timer_interrupt+0x38/0x50
[ 474.370496] apic_timer_interrupt+0x90/0xa0
[ 474.370502] RIP: 0010:cpuidle_enter_state+0x135/0x380
[ 474.370505] RSP: 0018:ffffc90000087e88 EFLAGS: 00000216 ORIG_RAX:
ffffffffffffff10
[ 474.370510] RAX: ffff88017a878040 RBX: 00000000080f0a0c RCX:
0000000000000001
[ 474.370512] RDX: 0000000000000000 RSI: ffffffff81ca163e RDI:
ffffffff81c7ce58
[ 474.370515] RBP: ffffc90000087ec0 R08: ffff88017fd16f84 R09:
0000000000000018
[ 474.370517] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000007
[ 474.370520] R13: ffff88017fd236e0 R14: ffffffff81ec5798 R15:
0000006e6a99133f
[ 474.370522] </IRQ>
[ 474.370532] ? cpuidle_enter_state+0x131/0x380
[ 474.370538] cpuidle_enter+0x12/0x20
[ 474.370542] call_cpuidle+0x1e/0x40
[ 474.370545] do_idle+0x17e/0x1f0
[ 474.370549] cpu_startup_entry+0x18/0x20
[ 474.370553] start_secondary+0x102/0x120
[ 474.370559] start_cpu+0x14/0x14
[ 474.370568] ---[ end trace e3af8012fdbe43a9 ]---
[ 480.516639] xhci_hcd 0000:00:15.0: WARN: unexpected TRB Type 4</pre>
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