Bug 88816

Summary: igt/gem_tiled_wc fails
Product: DRI Reporter: lu hua <huax.lu>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED FIXED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: unspecified   
Hardware: All   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
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Description lu hua 2015-01-27 01:42:44 UTC 
Created attachment 112865 [details]
dmesg

==System Environment==
--------------------------
Regression:  not sure, It has bug 88686
no-working platforms: all

==kernel==
--------------------------
drm-intel-nightly/67e9eb08a3b967b1ac6b7ec4588a93a2cb030cae
commit 67e9eb08a3b967b1ac6b7ec4588a93a2cb030cae
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Jan 23 17:04:55 2015 +0100

    drm-intel-nightly: 2015y-01m-23d-16h-04m-34s UTC integration manifest

==Bug detailed description==
-----------------------------
It fails on all platforms. It also has bug 88686, the crash goes away, report this bug to track the fail.

output:
IGT-Version: 1.9-gfa94e01 (x86_64) (Linux: 3.19.0-rc5_drm-intel-nightly_67e9eb_20150126+ x86_64)
(gem_tiled_wc:4265) CRITICAL: Test assertion failure function __real_main131, file gem_tiled_wc.c:235:
(gem_tiled_wc:4265) CRITICAL: Failed assertion: expected_val == found_val
(gem_tiled_wc:4265) CRITICAL: Bad read [1]: 207002 instead of 2074 at 0x00000868 for read from 0x00000868 to 0x000350d8, swizzle=none

==Reproduce steps==
---------------------------- 
1. ./gem_tiled_wc
Comment 1 Chris Wilson 2015-01-27 08:55:14 UTC 
Are you sure that every platform fails in exactly the same way?
Comment 2 Chris Wilson 2015-01-27 09:40:56 UTC 
commit 7848d214729a366eca937a63ec8ea025988203d2
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Tue Jan 27 09:38:34 2015 +0000

    igt/gem_tiled_wc: Use correct offsets
    
    A last moment "tidification" in
    
    commit 5e9fac54918e424d928bc15b90e4c65d4cfdd356
    Author: Chris Wilson <chris@chris-wilson.co.uk>
    Date:   Thu Jan 22 07:52:09 2015 +0000
    
        igt/gem_tiled_wc: Fix! Finish!
    
    wreaked havoc again.
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88816
    Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Comment 3 lu hua 2015-01-29 05:27:34 UTC 
Verified.Fixed.
Comment 4 Elizabeth 2017-10-06 14:31:52 UTC 
Closing old verified.

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