Bug 81831 - [BDW Regression]igt/gem_seqno_wrap fails
Summary: [BDW Regression]igt/gem_seqno_wrap fails
Status: CLOSED DUPLICATE of bug 81209
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: highest normal
Assignee: Daniel Vetter
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-07-28 08:46 UTC by Guo Jinxian
Modified: 2016-10-19 09:37 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg (73.74 KB, text/plain)
2014-07-28 08:46 UTC, Guo Jinxian 		no flags Details
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Description Guo Jinxian 2014-07-28 08:46:13 UTC 
Created attachment 103578 [details]
dmesg

==System Environment==
--------------------------
Regression: Yes. 
Good commit on -next-queued: 9c33baa6b3bbb01c1a88dceba986b20e6642cf31

Non-working platforms: BDW

==kernel==
--------------------------
origin/drm-intel-nightly: e967a525207bd40ab446e2f809907039f88e66f3(fails)
    drm-intel-nightly: 2014y-07m-25d-23h-02m-06s integration manifest
origin/drm-intel-next-queued: eff9b57c1a91ccf309d57500ab6a365ba7be5712(fails)
    drm/i915: Update DRIVER_DATE to 20140725
origin/drm-intel-fixes: f4be89cecea437aaddd7700d05c6bdb5678041f7(works)
    drm/i915: Fix crash when failing to parse MIPI VBT

==Bug detailed description==
igt/gem_seqno_wrap fails

Output:
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_seqno_wrap
IGT-Version: 1.7-gfcbc502 (x86_64) (Linux: 3.16.0-rc6_drm-intel-nightly_e967a5_20140728+ x86_64)
Test assertion failure function cmp_bo, file gem_seqno_wrap.c:112:
Failed assertion: *vaddr++ == val
1: 0xfffffff9 differs from assumed 0x0
seqno_before_test 0x1,  approximated seqno on test fail 0x1

==Reproduce steps==
---------------------------- 
1. ./gem_seqno_wrap
Comment 1 Mika Kuoppala 2014-07-28 14:24:53 UTC 
Smells like a dup of https://bugs.freedesktop.org/show_bug.cgi?id=81209
Comment 2 Chris Wilson 2014-08-29 10:04:18 UTC 
But semaphores are disabled in this test, right? I guess we need an automated state dumper for when tests fail.
Comment 3 Guo Jinxian 2014-09-02 06:39:40 UTC 
(In reply to comment #2)
> But semaphores are disabled in this test, right? I guess we need an
> automated state dumper for when tests fail.

Test passed on latest -nightly(45cb75c77746cc3023acdfb4033e745d1d6024d9)

root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_seqno_wrap
IGT-Version: 1.7-gf473a55 (x86_64) (Linux: 3.17.0-rc2_drm-intel-nightly_45cb75_20140902+ x86_64)
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# echo $?
0

root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# cat /sys/kernel/debug/dri/0/i915_semaphore_status
Semaphores are disabled
Comment 4 Chris Wilson 2014-09-02 06:43:13 UTC 

*** This bug has been marked as a duplicate of bug 81209 ***
Comment 5 Jari Tahvanainen 2016-10-19 09:37:04 UTC 
Closing resolved+duplicate as duplicate of closed+fixed.

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