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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNB]igt/pm_rpm/universal-planes causes system hang and kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4116!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86269">86269</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB]igt/pm_rpm/universal-planes causes system hang and kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4116!
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</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>huax.lu@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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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=109445" name="attach_109445" title="dmesg">attachment 109445</a> <a href="attachment.cgi?id=109445&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure, this case has <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - [HSW/BYT/BDW/BSW bisected]igt/pm_rpm universal-planes doesn't exit testing"
href="show_bug.cgi?id=85634">Bug 85634</a>
Non-working platforms: SNB-HuronRiver
==kernel==
--------------------------
drm-intel-nightly/22ba72f728eaf30e63ded0c0bb0484b4bc6f92d4
==Bug detailed description==
igt/pm_rpm/universal-planes
igt/pm_rpm/universal-planes-dpms
igt/pm_rpm/legacy-planes
igt/pm_rpm/legacy-planes-dpms
Above 4 cases doesn't exit testing and report kernel BUG at
drivers/gpu/drm/i915/i915_gem.c:4116!.
run ./pm_rpm --run-subtest universal-planes
output:
IGT-Version: 1.8-g6ee3337 (x86_64) (Linux:
3.18.0-rc2_drm-intel-nightly_203b34_20141103+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
dmesg:
[ 561.140966] WARNING: CPU: 2 PID: 4343 at
drivers/gpu/drm/i915/i915_gem.c:4144 i915_gem_object_unpin_fence+0x44/0x60
[i915]()
[ 561.140970] Modules linked in: netconsole configfs dm_mod snd_hda_codec_hdmi
iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_idt snd_hda_codec_generic
pcspkr uvcvideo videobuf2_vmalloc videobuf2_memops snd_hda_intel videobuf2_core
v4l2_common snd_hda_controller videodev lpc_ich mfd_core snd_hda_codec
firewire_ohci snd_hwdep firewire_core snd_pcm crc_itu_t snd_timer snd soundcore
wmi battery parport_pc parport tpm_infineon tpm_tis tpm ac acpi_cpufreq i915
button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last
unloaded: netconsole]
[ 561.141069] CPU: 2 PID: 4343 Comm: pm_rpm Not tainted
3.18.0-rc2_drm-intel-nightly_203b34_20141103+ #1126
[ 561.141072] Hardware name: Hewlett-Packard HP EliteBook 8460p/161C, BIOS
68SCF Ver. F.22 12/22/2011
[ 561.141076] 0000000000000000 0000000000000009 ffffffff8178ef42
0000000000000000
[ 561.141085] ffffffff8103a8cc ffff8800b8042a80 ffffffffa009cc1a
ffff0000ffff0000
[ 561.141095] ffff8801334e0000 ffff880002c216c0 ffff8800b81d6060
0000000000000000
[ 561.141105] Call Trace:
[ 561.141112] [<ffffffff8178ef42>] ? dump_stack+0x41/0x51
[ 561.141117] [<ffffffff8103a8cc>] ? warn_slowpath_common+0x78/0x90
[ 561.141144] [<ffffffffa009cc1a>] ? i915_gem_object_unpin_fence+0x44/0x60
[i915]
[ 561.141154] [<ffffffffa009cc1a>] ? i915_gem_object_unpin_fence+0x44/0x60
[i915]
[ 561.141167] [<ffffffffa00c8237>] ? intel_unpin_fb_obj+0x28/0x31 [i915]
[ 561.141179] [<ffffffffa00d82e9>] ? intel_disable_plane+0xad/0xff [i915]
[ 561.141188] [<ffffffffa0018c75>] ? __setplane_internal+0x41/0x26f [drm]
[ 561.141196] [<ffffffffa002347b>] ? drm_modeset_lock_all_crtcs+0x27/0x43
[drm]
[ 561.141202] [<ffffffffa002391b>] ? __drm_modeset_lock_all+0xc8/0xf2 [drm]
[ 561.141211] [<ffffffffa001b52a>] ? drm_mode_setplane+0x1aa/0x1ce [drm]
[ 561.141219] [<ffffffffa0010738>] ? drm_ioctl+0x279/0x3bc [drm]
[ 561.141224] [<ffffffff8133eb32>] ? sprintf+0x46/0x4b
[ 561.141231] [<ffffffffa001b380>] ? drm_mode_getplane+0xd0/0xd0 [drm]
[ 561.141236] [<ffffffff813e8ace>] ? rtpm_status_show+0x6a/0x78
[ 561.141240] [<ffffffff813e8a64>] ? control_show+0x37/0x37
[ 561.141243] [<ffffffff813e194b>] ? dev_attr_show+0x17/0x48
[ 561.141248] [<ffffffff8116b156>] ? kernfs_seq_start+0x24/0x7a
[ 561.141252] [<ffffffff8116c355>] ? sysfs_kf_seq_show+0x79/0xc3
[ 561.141256] [<ffffffff8116b128>] ? kernfs_seq_stop+0x10/0x1a
[ 561.141261] [<ffffffff81120cdb>] ? do_vfs_ioctl+0x3ec/0x435
[ 561.141265] [<ffffffff810a14e2>] ? __audit_syscall_entry+0xb2/0xd2
[ 561.141269] [<ffffffff8100d284>] ? syscall_trace_enter_phase1+0x11e/0x127
[ 561.141273] [<ffffffff81120d6d>] ? SyS_ioctl+0x49/0x78
[ 561.141277] [<ffffffff810a170b>] ? __audit_syscall_exit+0x209/0x225
[ 561.141281] [<ffffffff817945d2>] ? system_call_fastpath+0x12/0x17
[ 561.141285] ---[ end trace 7b11f843da104d61 ]---
[ 561.141300] ------------[ cut here ]------------
[ 561.143657] kernel BUG at drivers/gpu/drm/i915/i915_gem.c:4116!
==Reproduce steps==
----------------------------
1. ./pm_rpm --run-subtest universal-planes</pre>
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