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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/kms_cursor_crc/cursor-size-change sporadically causes *ERROR* CPU pipe B FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88977">bug 88977</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEEDINFO
</td>
<td>NEW
</td>
</tr>
<tr>
<td style="text-align:right;">Summary</td>
<td>[BSW]igt/gem_evict_everything sporadically causes *ERROR* CPU pipe B FIFO underrun
</td>
<td>[BSW]igt/kms_cursor_crc/cursor-size-change sporadically causes *ERROR* CPU pipe B FIFO underrun
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/kms_cursor_crc/cursor-size-change sporadically causes *ERROR* CPU pipe B FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88977#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/kms_cursor_crc/cursor-size-change sporadically causes *ERROR* CPU pipe B FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88977">bug 88977</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>I reproduce this error when run case kms_cursor_crc/cursor-size-change. I am
unable to reproduce error when run following case manually.
gem_evict_everything
gem_partial_pwrite_pread_reads-display
gem_seqno_wrap
gem_userptr_blits_forked-sync-swapping-multifd-mempressure-interruptible
kms_render_gpu-blit
output:
IGT-Version: 1.9-gbef692d (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_75ce8a_20150206+ x86_64)
Beginning cursor-size-change on pipe A, connector eDP-1
(kms_cursor_crc:4335) CRITICAL: Test assertion failure function
test_cursor_size, file kms_cursor_crc.c:426:
(kms_cursor_crc:4335) CRITICAL: Failed assertion: igt_crc_equal(&crc[i],
&ref_crc)
Subtest cursor-size-change: FAIL (1.672s)
IGT-Version: 1.9-gbef692d (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_75ce8a_20150206+ x86_64)
Beginning cursor-size-change on pipe A, connector eDP-1
(kms_cursor_crc:4336) CRITICAL: Test assertion failure function
test_cursor_size, file kms_cursor_crc.c:426:
(kms_cursor_crc:4336) CRITICAL: Failed assertion: igt_crc_equal(&crc[i],
&ref_crc)
Subtest cursor-size-change: FAIL (1.645s)
IGT-Version: 1.9-gbef692d (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_75ce8a_20150206+ x86_64)
Beginning cursor-size-change on pipe A, connector eDP-1
(kms_cursor_crc:4337) CRITICAL: Test assertion failure function
test_cursor_size, file kms_cursor_crc.c:426:
(kms_cursor_crc:4337) CRITICAL: Failed assertion: igt_crc_equal(&crc[i],
&ref_crc)
Subtest cursor-size-change: FAIL (1.691s)
IGT-Version: 1.9-gbef692d (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_75ce8a_20150206+ x86_64)
Beginning cursor-size-change on pipe A, connector eDP-1
(kms_cursor_crc:4338) CRITICAL: Test assertion failure function
test_cursor_size, file kms_cursor_crc.c:426:
(kms_cursor_crc:4338) CRITICAL: Failed assertion: igt_crc_equal(&crc[i],
&ref_crc)
Subtest cursor-size-change: FAIL (1.668s)
IGT-Version: 1.9-gbef692d (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_75ce8a_20150206+ x86_64)
Beginning cursor-size-change on pipe A, connector eDP-1
(kms_cursor_crc:4339) CRITICAL: Test assertion failure function
test_cursor_size, file kms_cursor_crc.c:426:
(kms_cursor_crc:4339) CRITICAL: Failed assertion: igt_crc_equal(&crc[i],
&ref_crc)
Subtest cursor-size-change: FAIL (1.636s)
# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[ 101.338288] [drm:valleyview_pipestat_irq_handler [i915]] *ERROR* CPU pipe
A FIFO underrun
Disable "dynamic memory self refresh"in BIOS,then run
kms_cursor_crc/cursor-size-change 10 cycles. I don't meet this error.</pre>
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