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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/gem_read_read_speed/read-read-512x512 crash"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90393">90393</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB]igt/gem_read_read_speed/read-read-512x512 crash
</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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<pre>Created <span class=""><a href="attachment.cgi?id=115675" name="attach_115675" title="dmesg">attachment 115675</a> <a href="attachment.cgi?id=115675&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure
Non-working platforms: SNB
==kernel==
--------------------------
drm-intel-nightly/a1e469d124cad96cd0d0e149c84f7ebd43ca1893
commit a1e469d124cad96cd0d0e149c84f7ebd43ca1893
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Fri May 8 17:48:23 2015 +0200
drm-intel-nightly: 2015y-05m-08d-15h-47m-50s UTC integration manifest
2015_04_24/drm-intel-nightly/92bb36c80e561f82b1f4b63cc269a71833137841/
commit 92bb36c80e561f82b1f4b63cc269a71833137841
Author: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Date: Fri Apr 24 00:26:53 2015 +0300
drm-intel-nightly: 2015y-04m-23d-21h-26m-24s UTC integration manifest
==Bug detailed description==
-----------------------------
Run following case list, it will crash. run ./gem_read_read_speed --run-subtest
read-read-512x512 10 cycles, I don't meet crash.
Run drm-intel-nightly/a1e469d124cad96cd0d0e149c84f7ebd43ca1893 and
rm-intel-nightly/92bb36c80e561f82b1f4b63cc269a71833137841, both of them have
this issue.
case list:
Intel_gpu_tools/igt@gem_pwrite_pread@display-copy-correctness PASS
Intel_gpu_tools/igt@gem_pwrite_pread@display-copy-performance DMESG_WARN
Intel_gpu_tools/igt@gem_pwrite_pread@display-pwrite-blt-gtt_mmap-correctness
PASS
Intel_gpu_tools/igt@gem_pwrite_pread@display-pwrite-blt-gtt_mmap-performance
PASS
Intel_gpu_tools/igt@gem_pwrite_pread@snooped-copy-correctness PASS
Intel_gpu_tools/igt@gem_pwrite_pread@snooped-copy-performance PASS
Intel_gpu_tools/igt@gem_pwrite_pread@snooped-pwrite-blt-cpu_mmap-correctness
PASS
Intel_gpu_tools/igt@gem_pwrite_pread@snooped-pwrite-blt-cpu_mmap-performance
PASS
Intel_gpu_tools/igt@gem_pwrite_pread@uncached-copy-correctness PASS
Intel_gpu_tools/igt@gem_pwrite_pread@uncached-copy-performance PASS
Intel_gpu_tools/igt@gem_pwrite_pread@uncached-pwrite-blt-gtt_mmap-correctness
PASS
Intel_gpu_tools/igt@gem_pwrite_pread@uncached-pwrite-blt-gtt_mmap-performance
PASS
Intel_gpu_tools/igt@gem_pwrite@snoop PASS
Intel_gpu_tools/igt@gem_pwrite@uncached PASS
Intel_gpu_tools/igt@gem_read_read_speed@read-read-1024x1024 PASS
Intel_gpu_tools/igt@gem_read_read_speed@read-read-128x128 PASS
Intel_gpu_tools/igt@gem_read_read_speed@read-read-1x1 PASS
Intel_gpu_tools/igt@gem_read_read_speed@read-read-2048x2048 PASS
Intel_gpu_tools/igt@gem_read_read_speed@read-read-256x256 PASS
Intel_gpu_tools/igt@gem_read_read_speed@read-read-4096x4096 PASS
Intel_gpu_tools/igt@gem_read_read_speed@read-read-512x512 CRASH
dmesg:
[ 342.257192] gem_read_read_speed: starting subtest read-read-512x512
[ 347.947011] [drm] stuck on render ring
[ 347.947894] [drm] stuck on blitter ring
[ 347.949319] [drm] GPU HANG: ecode 6:0:0x85fffffc, in gem_read_read_s [8985],
reason: Ring hung, action: reset
[ 347.950222] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 347.951127] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 347.952048] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 347.952982] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 347.953931] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 347.955113] [drm:i915_reset_and_wakeup] resetting chip
[ 347.955275] [drm:i915_context_is_banned [i915]] *ERROR* gpu hanging too
fast, banning!
[ 348.459411] drm/i915: Resetting chip after gpu hang
[ 348.460405] [drm:i915_reset [i915]] *ERROR* Failed to reset chip: -110
[ 348.462280] gem_read_read_speed: exiting, ret=0
==Reproduce steps==
----------------------------
1. Run above case list</pre>
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