[Bug 88445] New: [BYT/BSW]igt/gem_pread_after_blit/default-hang causes *ERROR* Timed out: waiting for media to ack

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88445

            Bug ID: 88445
           Summary: [BYT/BSW]igt/gem_pread_after_blit/default-hang causes
                    *ERROR* Timed out: waiting for media to ack
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 112271
  --> https://bugs.freedesktop.org/attachment.cgi?id=112271&action=edit
dmesg

==System Environment==
--------------------------
Regression: new case

Non-working platforms:  BSW

==kernel==
--------------------------
drm-intel-nightly/95cce4b4c5f3ecaf9c1c01d42f670da2748fcffb
commit 95cce4b4c5f3ecaf9c1c01d42f670da2748fcffb
Author: Daniel Vetter <daniel.vetter at 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 causes <3>[   86.767786] [drm:chv_read32 [i915]] *ERROR* Timed out: waiting
for media to ack.
igt/gem_pread_after_blit/snooped-hang also has this error.

output:
root at x-bsw08:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_pread_after_blit --run-subtest default-hang
IGT-Version: 1.9-g5fb26d1 (x86_64) (Linux:
3.19.0-rc3_drm-intel-nightly_0056b6_20150109+ x86_64)
Subtest default-hang: SUCCESS (56.270s)

==Reproduce steps==
---------------------------- 
1. ./gem_pread_after_blit --run-subtest default-hang

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20150115/4b2e4ad3/attachment.html>