Bug 88434

Created attachment 112261 [details]
dmesg

==System Environment==
--------------------------
Regression: no, new case

Non-working platforms:  BDW

==kernel==
--------------------------
drm-intel-nightly/95cce4b4c5f3ecaf9c1c01d42f670da2748fcffb
commit 95cce4b4c5f3ecaf9c1c01d42f670da2748fcffb
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Wed Jan 14 20:58:31 2015 +0100

    drm-intel-nightly: 2015y-01m-14d-19h-58m-09s UTC integration manifest

==Bug detailed description==
-----------------------------
It fails on BDW with -nightly kernel, skip on -fixes kernel.
following cases also fail:
igt/gem_concurrent_blit/cpu-bcs-gpu-read-after-write-forked-hang(bcs)
igt/gem_concurrent_blit/cpu-bcs-overwrite-source-forked-hang(bcs)
igt/gem_concurrent_blit/cpu-bcs-overwrite-source-one-forked-hang(bcs)


output(nightly kernel):
IGT-Version: 1.9-g3214a27 (x86_64) (Linux: 3.19.0-rc4_drm-intel-nightly_95cce4_20150115+ x86_64)
using 2x512 buffers, each 1MiB
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Failed assertion: *vaddr++ == val
Last errno: 11, Resource temporarily unavailable
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
error: 0 != 0xdeadbeef
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Last errno: 11, Resource temporarily unavailable
Failed assertion: *vaddr++ == val
error: 0 != 0xdeadbeef
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
Test assertion failure function cpu_cmp_bo, file gem_concurrent_blit.c:228:
Failed assertion: *vaddr++ == val
Last errno: 11, Resource temporarily unavailable
error: 0 != 0xdeadbeef
child 14 failed with exit status 99
Subtest cpu-bcs-early-read-forked-hang(bcs): FAIL (5.661s)

output(fixes kernel)
IGT-Version: 1.9-g3214a27 (x86_64) (Linux: 3.19.0-rc4_drm-intel-fixes_226e5a_20150114+ x86_64)
using 2x512 buffers, each 1MiB
Test requirement not met in function hang_require, file gem_concurrent_blit.c:477:
Test requirement: igt_can_hang_ring(fd, gen, -1)
Last errno: 22, Invalid argument
Subtest cpu-bcs-early-read-forked-hang(bcs): SKIP (0.000s)
Test requirement not met in function wc_create_bo, file gem_concurrent_blit.c:177:
Test requirement: gem_mmap__has_wc(fd)


==Reproduce steps==
---------------------------- 
1. ./gem_concurrent_blit --run-subtest cpu-bcs-early-read-forked-hang\(bcs\)