Created attachment 112635 [details] dmesg ==System Environment== -------------------------- Regression: not sure It always crash since we run it. no-working platforms: all ==kernel== -------------------------- drm-intel-nightly/d6bc7a6a0a7573350e8be8ec54002c20d1dbe1e0 commit d6bc7a6a0a7573350e8be8ec54002c20d1dbe1e0 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Tue Jan 20 15:10:59 2015 +0100 drm-intel-nightly: 2015y-01m-20d-14h-10m-40s UTC integration manifest ==Bug detailed description== ----------------------------- It always crash since we run it on drm-intel-nightly kernel, It's skip on drm-intel-fixes kernel. output: IGT-Version: 1.9-g3d65ff7 (x86_64) (Linux: 3.19.0-rc4_drm-intel-nightly_d6bc7a_20150121+ x86_64) Segmentation fault (core dumped) ==Reproduce steps== ---------------------------- 1. ./gem_tiled_wc
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! It helps when testing whether tiled data read back through a linear mmaping to first tile the data. And not repeatedly unmapping the linear map stops it from segfaulting. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88686 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Test on the latest -nightly kernel and igt, it still fail. output: IGT-Version: 1.9-gfa94e01 (x86_64) (Linux: 3.19.0-rc5_drm-intel-nightly_67e9eb_20150125+ x86_64) (gem_tiled_wc:4178) CRITICAL: Test assertion failure function __real_main131, file gem_tiled_wc.c:235: (gem_tiled_wc:4178) CRITICAL: Failed assertion: expected_val == found_val (gem_tiled_wc:4178) CRITICAL: Bad read [1]: 207002 instead of 2074 at 0x00000868 for read from 0x00000868 to 0x000350d8, swizzle=none
(In reply to lu hua from comment #2) > Test on the latest -nightly kernel and igt, it still fail. > > output: > IGT-Version: 1.9-gfa94e01 (x86_64) (Linux: > 3.19.0-rc5_drm-intel-nightly_67e9eb_20150125+ x86_64) > (gem_tiled_wc:4178) CRITICAL: Test assertion failure function > __real_main131, file gem_tiled_wc.c:235: > (gem_tiled_wc:4178) CRITICAL: Failed assertion: expected_val == found_val > (gem_tiled_wc:4178) CRITICAL: Bad read [1]: 207002 instead of 2074 at > 0x00000868 for read from 0x00000868 to 0x000350d8, swizzle=none That is a genuine failure. Best we track that as a new bug.
Verified. Fixed, report bug 88816 to track the fail.
Closing old verified.
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