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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 - [IVB Regression]igt/gem_concurrent_blit some subcases bus error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85896">85896</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB Regression]igt/gem_concurrent_blit some subcases bus error
</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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>high
</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=108929" name="attach_108929" title="dmesg">attachment 108929</a> <a href="attachment.cgi?id=108929&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: yes
good commit:421d82916774361a4840018fc3ab3a15751c3ea6
bad commit: 049d7156eaee3209928810ff97ef04d26cd7626c
Non-working platforms: IVB
==kernel==
--------------------------
drm-intel-nightly/f56717bdf29eb7d6a9ec15f095ea2a6858895473
==Bug detailed description==
Some gem_concurrent_blit subcases have bus error. It happens on -queued and
-nightly kernel.
case list:
igt/gem_concurrent_blit/gttX-bcs-early-read-forked
igt/gem_concurrent_blit/gttX-bcs-early-read-interruptible
igt/gem_concurrent_blit/gttX-bcs-gpu-read-after-write-forked
igt/gem_concurrent_blit/gttX-bcs-gpu-read-after-write-interruptible
igt/gem_concurrent_blit/gttX-rcs-early-read-forked
igt/gem_concurrent_blit/gttX-rcs-early-read-interruptible
igt/gem_concurrent_blit/gttX-rcs-gpu-read-after-write-forked
igt/gem_concurrent_blit/gttX-rcs-gpu-read-after-write-interruptible
output:
IGT-Version: 1.8-ge622850 (x86_64) (Linux:
3.18.0-rc3_drm-intel-nightly_f56717_20141105+ x86_64)
using 2x512 buffers, each 1MiB
child 1 died with signal 7, Bus error
Subtest gttX-bcs-early-read-forked: FAIL (0.386s)
[ 29.850009] ------------[ cut here ]------------
[ 29.850104] WARNING: CPU: 1 PID: 3802 at
drivers/gpu/drm/i915/i915_gem.c:4114 i915_gem_object_pin+0x6bd/0x6d1 [i915]()
[ 29.850170] WARN_ON(flags & PIN_MAPPABLE && !obj->map_and_fenceable)
[ 29.850212] Modules linked in:
[ 29.850237] snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
iTCO_wdt iTCO_vendor_support dcdbas pcspkr serio_raw i2c_i801 snd_hda_intel
snd_hda_controller snd
_hda_codec snd_hwdep snd_pcm lpc_ich snd_timer mfd_core snd soundcore battery
dm_mod tpm_tis tpm acpi_cpufreq i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopya
rea
[ 29.850670] CPU: 1 PID: 3802 Comm: gem_concurrent_ Not tainted
3.18.0-rc3_drm-intel-nightly_f56717_20141105+ #1198
[ 29.850731] Hardware name: Dell Inc. OptiPlex 9010/03JR84, BIOS A01
05/04/2012
[ 29.850777] 0000000000000000 0000000000000009 ffffffff81789002
ffff8800cda7fb68
[ 29.850831] ffffffff810368cc ffff88000279b000 ffffffffa00a02e2
ffff880118e8dc00
[ 29.850875] ffff8800cd823a40 0000000000000001 0000000015be3000
ffff880118828800
[ 29.850920] Call Trace:
[ 29.850941] [<ffffffff81789002>] ? dump_stack+0x41/0x51
[ 29.850971] [<ffffffff810368cc>] ? warn_slowpath_common+0x78/0x90
[ 29.851010] [<ffffffffa00a02e2>] ? i915_gem_object_pin+0x6bd/0x6d1 [i915]
[ 29.851045] [<ffffffff8103697c>] ? warn_slowpath_fmt+0x45/0x4a
[ 29.851079] [<ffffffffa0098c24>] ? ggtt_bind_vma+0x75/0xc8 [i915]
[ 29.851115] [<ffffffffa00a02e2>] ? i915_gem_object_pin+0x6bd/0x6d1 [i915]
[ 29.851150] [<ffffffff81058e30>] ? enqueue_task_fair+0x441/0x88d
[ 29.851185] [<ffffffffa00a2134>] ? i915_gem_fault+0x104/0x2c5 [i915]
[ 29.851221] [<ffffffffa009c486>] ? __wait_seqno+0x32d/0x388 [i915]
[ 29.851253] [<ffffffff810e80e9>] ? __do_fault+0x35/0x73
[ 29.851282] [<ffffffff810ea02d>] ? do_read_fault.isra.82+0x1ae/0x26d
[ 29.851319] [<ffffffffa00a1fb2>] ?
i915_gem_object_set_to_gtt_domain+0x107/0x185 [i915]
[ 29.851365] [<ffffffffa00a23ba>] ? i915_gem_set_domain_ioctl+0xc5/0xe9
[i915]
[ 29.851401] [<ffffffff810eba01>] ? handle_mm_fault+0x1eb/0x840
[ 29.851436] [<ffffffffa0010738>] ? drm_ioctl+0x279/0x3bc [drm]
[ 29.851467] [<ffffffff8102d906>] ? __do_page_fault+0x42e/0x47b
[ 29.851496] [<ffffffff8178b923>] ? __schedule+0x6cb/0x850
[ 29.851524] [<ffffffff8111a53f>] ? do_vfs_ioctl+0x3ec/0x435
[ 29.851558] [<ffffffff8109d57a>] ? __audit_syscall_entry+0xb2/0xd2
[ 29.851591] [<ffffffff8100d27c>] ? syscall_trace_enter_phase1+0x11e/0x127
[ 29.851630] [<ffffffff81790062>] ? page_fault+0x22/0x30
[ 29.851660] ---[ end trace 742c1faa06342b71 ]---
[ 29.851683] ------------[ cut here ]------------
==Reproduce steps==
----------------------------
1. ./gem_concurrent_blit --run-subtest gttX-bcs-early-read-forked</pre>
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