<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>