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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 - [IGT] [BXT-P] some pm_rpm subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96226">96226</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IGT] [BXT-P] some pm_rpm subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<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>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>humberto.i.perez.rodriguez@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>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=124110" name="attach_124110" title="dmesg">attachment 124110</a> <a href="attachment.cgi?id=124110&action=edit" title="dmesg">[details]</a></span>
dmesg
Bug description
===============================================
some pm_rpm subtests causes [i915]] *ERROR* CPU pipe B/C FIFO underrun
Tests cases
===============================================
igt@pm_rpm@gem-pread
igt@pm_rpm@modeset-lpsp-stress
igt@pm_rpm@cursor
igt@pm_rpm@reg-read-ioctl
igt@pm_rpm@gem-mmap-cpu
igt@pm_rpm@modeset-non-lpsp-stress
igt@pm_rpm@sysfs-read
igt@pm_rpm@modeset-stress-extra-wait
igt@pm_rpm@universal-planes
igt@pm_rpm@legacy-planes-dpms
igt@pm_rpm@i2c
igt@pm_rpm@gem-evict-pwrite
igt@pm_rpm@pm-tiling
igt@pm_rpm@universal-planes-dpms
igt@pm_rpm@gem-execbuf
igt@pm_rpm@legacy-planes
igt@pm_rpm@gem-execbuf-stress
igt@pm_rpm@modeset-non-lpsp
igt@pm_rpm@dpms-mode-unset-lpsp
igt@pm_rpm@fences
igt@pm_rpm@gem-mmap-gtt
igt@pm_rpm@system-suspend
igt@pm_rpm@pm-caching
igt@pm_rpm@fences-dpms
igt@pm_rpm@system-suspend-execbuf
igt@pm_rpm@cursor-dpms
igt@pm_rpm@dpms-mode-unset-non-lpsp
igt@pm_rpm@gem-idle
igt@pm_rpm@modeset-lpsp
test output
===============================================
IGT-Version: 1.14-gb88bce4 (x86_64) (Linux:
4.6.0-rc7-drm-intel-nightly-ww20-commit-5528ede+ x86_64)
(pm_rpm:1586) drmtest-DEBUG: Test requirement passed: fd >= 0
(pm_rpm:1586) drmtest-DEBUG: Test requirement passed: fd >= 0
(pm_rpm:1586) drmtest-DEBUG: Test requirement passed: drmSetMaster(fd) == 0
(pm_rpm:1586) igt-kms-DEBUG: VT: graphics mode set (mode was 0x0)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080,
format=0x34325258, tiling=0x0, size=0)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=1, pitch=7680)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=1920, height=1080,
format=0x34325258, tiling=0x0, size=0)
(pm_rpm:1586) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=2, pitch=7680)
Runtime PM support: 1
PC8 residency support: 0
(pm_rpm:1586) DEBUG: Test requirement passed: has_runtime_pm
(pm_rpm:1586) igt-core-DEBUG: Starting subtest: gem-pread
(pm_rpm:1586) DEBUG: Test requirement passed: enable_one_screen_with_type(data,
SCREEN_TYPE_ANY)
(pm_rpm:1586) CRITICAL: Test assertion failure function gem_pread_subtest, file
pm_rpm.c:1045:
(pm_rpm:1586) CRITICAL: Failed assertion: wait_for_suspended()
Stack trace:
#0 [__igt_fail_assert+0x101]
#1 [main+0x21c1]
#2 [__libc_start_main+0xf0]
#3 [_start+0x29]
#4 [<unknown>+0x29]
Subtest gem-pread failed.
**** DEBUG ****
(pm_rpm:1586) DEBUG: Test requirement passed: enable_one_screen_with_type(data,
SCREEN_TYPE_ANY)
(pm_rpm:1586) CRITICAL: Test assertion failure function gem_pread_subtest, file
pm_rpm.c:1045:
(pm_rpm:1586) CRITICAL: Failed assertion: wait_for_suspended()
**** END ****
Subtest gem-pread: FAIL (10.702s)
(pm_rpm:1586) igt-core-DEBUG: Exiting with status code 99
(pm_rpm:1586) igt-kms-DEBUG: VT: original mode 0x0 restored
Expected result
===============================================
subtests must pass
Actual result
===============================================
those subtests fail
Attachments
===============================================
dmesg
Gfx stack information
===============================================
--> Component : drm
tag : libdrm-2.4.68-4-g7aab852
commit : 7aab852
--> Component : mesa
tag : mesa-11.1.2
commit : 7bcd827
--> Component : cairo
tag : 1.15.2
commit : db8a7f1
--> Component : intel-gpu-tools
tag : intel-gpu-tools-1.14-346-gcce2ff0
commit : cce2ff0
Software information
===============================================
Kernel version :
4.6.0-rc7-drm-intel-nightly-ww20-commit-5528ede+
Linux distribution : Ubuntu 15.10
Architecture : 64-bit
Bios revision : 138.22
KSC revision : 1.12
DMC revision : 1.07
GUC revision : 8.7
Hardware information
===============================================
Platform : BXT-P
Motherboard model : Broxton P
Motherboard type : NOTEBOOK Hand Held
Motherboard manufacturer : Intel Corp.
CPU family : B1
CPU information : 06/5c
GPU Card : Intel Corporation Device 5a84 (rev 0a)
(prog-if 00 [VGA controller])
kernel
===============================================
commit 2ec823981d62c56d1511bda42b8295e31ece800f
Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Date: Sun May 22 18:23:13 2016 +0200
drm-intel-nightly: 2016y-05m-22d-16h-22m-45s UTC integration manifest</pre>
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