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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT Regression]igt/gem_reloc_vs_gpu fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85671">85671</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BYT Regression]igt/gem_reloc_vs_gpu fails
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>==System Environment==
--------------------------
Regression: yes
good commit: 6476486cb3570d3662e4a3870b884e75d35d1072
bad commit: 421d82916774361a4840018fc3ab3a15751c3ea6
Non-working platforms: BYT
==kernel==
--------------------------
drm-intel-nightly/bd21cf795cf5dc278f1451d0f7a597cb1d13c2ba
==Bug detailed description==
It fails on BYT with -queued and -nightly kernel. It also has <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT ppgtt]igt/gem_persistent_relocs/forked-interruptible-faulting-reloc-thrashing fails"
href="show_bug.cgi?id=84859">bug 84859</a>, add
i915.enable_ppgtt=1, it still fails.
output:
IGT-Version: 1.8-gcba3088 (x86_64) (Linux:
3.18.0-rc2_drm-intel-nightly_bd21cf_20141030+ x86_64)
Test assertion failure function do_test, file gem_reloc_vs_gpu.c:221:
Failed assertion: test == 0xdeadbeef
mismatch in buffer 1: 0x00000000 instead of 0xdeadbeef
Subtest faulting-reloc: FAIL (0.481s)
dmesg:
[ 243.292762] gem_reloc_vs_gpu: executing
[ 243.304659] [drm:i915_gem_open]
[ 243.305204] [drm:i915_gem_open]
[ 243.305439] gem_reloc_vs_gpu: starting subtest faulting-reloc
[ 243.438118] [drm:valleyview_set_rps] GPU freq request from 646 MHz (214) to
667 MHz (215)
[ 243.521711] [drm:valleyview_set_rps] GPU freq request from 667 MHz (215) to
646 MHz (214)
[ 243.607257] [drm:valleyview_set_rps] GPU freq request from 646 MHz (214) to
667 MHz (215)
[ 243.692318] [drm:valleyview_set_rps] GPU freq request from 667 MHz (215) to
708 MHz (217)
[ 243.776392] [drm:valleyview_set_rps] GPU freq request from 708 MHz (217) to
791 MHz (221)
[ 243.861469] [drm:valleyview_set_rps] GPU freq request from 791 MHz (221) to
854 MHz (224)
[ 249.935839] [drm] stuck on blitter ring
[ 249.942053] [drm] GPU HANG: ecode 2:0x21524118, in gem_reloc_vs_gp [4378],
reason: Ring hung, action: reset
[ 249.942817] [drm:i915_error_work_func] resetting chip
[ 249.944414] drm/i915: Resetting chip after gpu hang
[ 249.944426] [drm:init_status_page] render ring hws offset: 0x00409000
[ 249.946426] [drm:init_status_page] bsd ring hws offset: 0x0042d000
[ 249.946608] [drm:init_status_page] blitter ring hws offset: 0x00450000
[ 249.946648] [drm:i9xx_update_primary_plane] Writing base 00473000 00000000 0
0 5504
[ 249.953595] [drm:intel_crtc_set_config] [CRTC:8] [FB:35] #connectors=1 (x y)
(0 0)
[ 249.953606] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:8], mode_changed=0, fb_changed=0
[ 249.953611] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:eDP-1] to
[CRTC:8]
[ 249.953617] [drm:intel_crtc_set_config] [CRTC:13] [NOFB]
[ 249.953621] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:13], mode_changed=0, fb_changed=0
[ 249.953625] [drm:intel_modeset_stage_output_state] [CONNECTOR:28:eDP-1] to
[CRTC:8]
[ 251.937584] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on
[ 251.939040] [drm:valleyview_enable_rps] GPLL enabled? yes
[ 251.939045] [drm:valleyview_enable_rps] GPU status: 0x0000e0d0
[ 251.939049] [drm:valleyview_enable_rps] current GPU freq: 854 MHz (224)
[ 251.939053] [drm:valleyview_enable_rps] setting GPU freq to 646 MHz (214)
[ 251.939057] [drm:valleyview_set_rps] GPU freq request from 854 MHz (224) to
646 MHz (214)
==Reproduce steps==
----------------------------
1. ./gem_reloc_vs_gpu --run-subtest faulting-reloc</pre>
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