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<head>
<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [SNB Regression]igt/pm_rpm subcases causes "WARNING: CPU: 2 PID: 3795 at drivers/gpu/drm/i915/intel_uncore.c:47 assert_device_not_suspended+0x39/0x3d [i915]()" sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80465">80465</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB Regression]igt/pm_rpm subcases causes "WARNING: CPU: 2 PID: 3795 at drivers/gpu/drm/i915/intel_uncore.c:47 assert_device_not_suspended+0x39/0x3d [i915]()" sporadically
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=101658" name="attach_101658" title="dmesg">attachment 101658</a> <a href="attachment.cgi?id=101658&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
The fail rate is about 1 out of 3
I unable to find good commit
Non-working platforms: SNB
==kernel==
--------------------------
origin/drm-intel-nightly: 794975a476b0b5e16d04ed1e5d082b9e2b54b4fb(fails)
drm-intel-nightly: 2014y-06m-23d-10h-38m-48s integration manifest
origin/drm-intel-next-queued: 9c33baa6b3bbb01c1a88dceba986b20e6642cf31(fails)
drivers/i915: Fix unnoticed failure of init_ring_common()
origin/drm-intel-fixes: bfafe93a1cd466ef318b7e5f6c65f59aee147791(fails)
drm/i915: cache hw power well enabled state
==Bug detailed description==
-----------------------------
igt/pm_rpm subcases causes "WARNING: CPU: 2 PID: 3795 at
drivers/gpu/drm/i915/intel_uncore.c:47 assert_device_not_suspended+0x39/0x3d
[i915]()" sporadically
Case list:
igt/pm_rpm/modeset-non-lpsp-stress
igt/pm_rpm/modeset-non-lpsp-stress-no-wait
igt/pm_rpm/modeset-stress-extra-wait
igt/pm_rpm/pci-d3-state
igt/pm_rpm/reg-read-ioctl
igt/pm_rpm/rte
igt/pm_rpm/sysfs-read
igt/pm_rpm/system-suspend
Output:
[root@x-sgb4 tests]# ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait
IGT-Version: 1.7-gfedb9b6 (i686) (Linux:
3.16.0-rc2_drm-intel-nightly_794975_20140624+ i686)
Runtime PM support: 1
PC8 residency support: 0
Subtest modeset-non-lpsp-stress-no-wait: SUCCESS
Dmesg shows:
[ 465.280940] WARNING: CPU: 2 PID: 3795 at
drivers/gpu/drm/i915/intel_uncore.c:47 assert_device_not_suspended+0x39/0x3d
[i915]()
[ 465.280940] Device suspended
[ 465.280941] Modules linked in: dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support ppdev
dcdbas serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec
snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore tpm_tis parport_pc
tpm parport acpi_cpufreq i915 video button drm_kms_helper drm
[ 465.280952] CPU: 2 PID: 3795 Comm: pm_rpm Tainted: G W
3.16.0-rc2_drm-intel-nightly_794975_20140624+ #3850
[ 465.280953] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02
02/26/2011
[ 465.280954] 00000000 c16f4ae7 f4d5bd38 c10311b0 f81df53b c28a8000 c28a8058
f4d5bdb4
[ 465.280957] 000c6014 c103122b 00000009 f4d5bd38 f822e727 f4d5bd50 f81df53b
f822e58c
[ 465.280959] 0000002f f822e727 f81e02ca f4d5bd60 01094325 c28a8000 f4d5bda4
f4d5bdb4
[ 465.280973] Call Trace:
[ 465.280980] [<c16f4ae7>] ? dump_stack+0x3e/0x4e
[ 465.280986] [<c10311b0>] ? warn_slowpath_common+0x65/0x78
[ 465.280999] [<f81df53b>] ? assert_device_not_suspended+0x39/0x3d [i915]
[ 465.281005] [<c103122b>] ? warn_slowpath_fmt+0x29/0x2d
[ 465.281017] [<f81df53b>] ? assert_device_not_suspended+0x39/0x3d [i915]
[ 465.281029] [<f81e02ca>] ? gen6_read32+0x17/0xb4 [i915]
[ 465.281042] [<f81e4b61>] ? ibx_pch_dpll_get_hw_state+0x21/0x67 [i915]
[ 465.281055] [<f81f35d4>] ? intel_modeset_check_state+0x35b/0x56f [i915]
[ 465.281061] [<c16f201e>] ? printk+0x16/0x1a
[ 465.281073] [<f81f3808>] ? intel_set_mode+0x20/0x25 [i915]
[ 465.281085] [<f81f4288>] ? intel_crtc_set_config+0x62f/0x92c [i915]
[ 465.281092] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[ 465.281097] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[ 465.281105] [<f8098219>] ? drm_mode_set_config_internal+0x39/0x8a [drm]
[ 465.281110] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[ 465.281116] [<f809b26a>] ? drm_mode_setcrtc+0x373/0x405 [drm]
[ 465.281122] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[ 465.281128] [<f80908cb>] ? drm_ioctl+0x22e/0x35f [drm]
[ 465.281134] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[ 465.281140] [<f809069d>] ? drm_copy_field+0x47/0x47 [drm]
[ 465.281143] [<c10ed665>] ? do_vfs_ioctl+0x3fa/0x444
[ 465.281147] [<c1073b56>] ? clockevents_program_event+0xe6/0x107
[ 465.281150] [<c1074d88>] ? tick_program_event+0x1c/0x1f
[ 465.281153] [<c1048580>] ? hrtimer_interrupt+0x14d/0x205
[ 465.281156] [<c10ed6f1>] ? SyS_ioctl+0x42/0x6d
[ 465.281159] [<c16f99e8>] ? sysenter_do_call+0x12/0x22
[ 465.281160] ---[ end trace 40dd835f1176ec27 ]---
==Reproduce steps==
----------------------------
1. ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait</pre>
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