<html>
<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 - [KBL][BAT] igt@gem_exec_suspend@basic-s4-devices dmesg warning"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100428">100428</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[KBL][BAT] igt@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>
<p>
<div>
<pre>On newly added KBL GT3e (Dell XPS 13,Kaby Lake i7-7560u, Iris Graphics 640 /
gt3e eDP)
Caused dmesg warning:
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2415/fi-kbl-7560u/igt@gem_exec_suspend@basic-s4-devices.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2415/fi-kbl-7560u/igt@gem_exec_suspend@basic-s4-devices.html</a>
[ 268.383988] Suspending console(s) (use no_console_suspend to debug)
[ 273.899061] ------------[ cut here ]------------
[ 273.899068] WARNING: CPU: 0 PID: 8443 at net/sched/sch_generic.c:316
dev_watchdog+0x225/0x230
[ 273.899071] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic asix usbnet mii x86_pkg_temp_thermal intel_powerclamp
coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i915 snd_hda_intel
snd_hda_codec snd_hwdep snd_hda_core snd_pcm mei_me mei prime_numbers i2c_hid
pinctrl_sunrisepoint pinctrl_intel
[ 273.899101] CPU: 0 PID: 8443 Comm: gem_exec_suspen Not tainted
4.11.0-rc4-CI-CI_DRM_2415+ #1
[ 273.899102] Hardware name: Dell Inc. XPS 13 9360/093TW6, BIOS 1.3.2
01/18/2017
[ 273.899103] Call Trace:
[ 273.899104] <IRQ>
[ 273.899107] dump_stack+0x67/0x92
[ 273.899110] __warn+0xc6/0xe0
[ 273.899113] warn_slowpath_fmt+0x4a/0x50
[ 273.899117] dev_watchdog+0x225/0x230
[ 273.899119] ? qdisc_rcu_free+0x40/0x40
[ 273.899120] ? qdisc_rcu_free+0x40/0x40
[ 273.899122] call_timer_fn+0x92/0x380
[ 273.899123] ? process_timeout+0x10/0x10
[ 273.899125] ? qdisc_rcu_free+0x40/0x40
[ 273.899127] expire_timers+0x150/0x1f0
[ 273.899129] run_timer_softirq+0x7c/0x160
[ 273.899133] __do_softirq+0x116/0x4c0
[ 273.899136] irq_exit+0xa9/0xc0
[ 273.899138] smp_apic_timer_interrupt+0x38/0x50
[ 273.899141] apic_timer_interrupt+0x90/0xa0
[ 273.899143] RIP: 0010:delay_tsc+0x33/0xc0
[ 273.899144] RSP: 0018:ffffc90000423cd8 EFLAGS: 00000286 ORIG_RAX:
ffffffffffffff10
[ 273.899146] RAX: 0000000080000000 RBX: 000000056e39400e RCX:
0000000000000001
[ 273.899147] RDX: 0000000080000001 RSI: ffffffff81c7659d RDI:
00000000ffffffff
[ 273.899148] RBP: ffffc90000423cf8 R08: 0000000000000000 R09:
0000000000000001
[ 273.899149] R10: 0000000000000000 R11: 0000000000000000 R12:
000000056e245b14
[ 273.899150] R13: 0000000000249f13 R14: 0000000000000000 R15:
ffff88026f3816e0
[ 273.899152] </IRQ>
[ 273.899156] ? delay_tsc+0x6b/0xc0
[ 273.899158] __delay+0xa/0x10
[ 273.899160] __const_udelay+0x31/0x40
[ 273.899162] hibernation_debug_sleep+0x20/0x30
[ 273.899164] hibernation_snapshot+0x2bc/0x5f0
[ 273.899166] hibernate+0x17c/0x310
[ 273.899168] state_store+0xe0/0xf0
[ 273.899171] kobj_attr_store+0xf/0x20
[ 273.899173] sysfs_kf_write+0x40/0x50
[ 273.899175] kernfs_fop_write+0x130/0x1b0
[ 273.899179] __vfs_write+0x23/0x120
[ 273.899181] ? rcu_read_lock_sched_held+0x75/0x80
[ 273.899182] ? rcu_sync_lockdep_assert+0x2a/0x50
[ 273.899185] ? __sb_start_write+0x102/0x210
[ 273.899186] ? vfs_write+0x17d/0x1f0
[ 273.899188] vfs_write+0xc6/0x1f0
[ 273.899191] ? trace_hardirqs_on_caller+0xe7/0x200
[ 273.899193] SyS_write+0x44/0xb0
[ 273.899196] entry_SYSCALL_64_fastpath+0x1c/0xb1
[ 273.899197] RIP: 0033:0x7f843a81e4a0
[ 273.899198] RSP: 002b:00007ffe7a665c18 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
[ 273.899200] RAX: ffffffffffffffda RBX: ffffffff8147edf3 RCX:
00007f843a81e4a0
[ 273.899201] RDX: 0000000000000004 RSI: 000000000041c921 RDI:
0000000000000014
[ 273.899202] RBP: ffffc90000423f88 R08: 0000000000ee26b0 R09:
0000000000000000
[ 273.899203] R10: 0000000000000000 R11: 0000000000000246 R12:
000000000041c921
[ 273.899204] R13: 0000000000000014 R14: 0000000000000000 R15:
0000000000000000
[ 273.899207] ? __this_cpu_preempt_check+0x13/0x20
[ 273.899211] ---[ end trace 159db5eca7569c07 ]---
[ 274.705848] usb usb1: root hub lost power or was reset
[ 274.705850] usb usb2: root hub lost power or was reset</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>