linux-kernel - [drm/i915/execlists] b1339ecac6: piglit.igt.gem_ctx

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Message-ID: <20200305125712.GJ5972@shao2-debian>
Date:   Thu, 5 Mar 2020 20:57:12 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Chris Wilson <chris@...is-wilson.co.uk>
Cc:     Jani Nikula <jani.nikula@...el.com>,
        Mika Kuoppala <mika.kuoppala@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        lkp@...ts.01.org
Subject: [drm/i915/execlists] b1339ecac6:
 piglit.igt.gem_ctx_exec.basic-nohangcheck.fail

FYI, we noticed the following commit (built with gcc-7):

commit: b1339ecac661e1cf3e1dc78ac56bff3aeeaeb92c ("drm/i915/execlists: Always force a context reload when rewinding RING_TAIL")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: piglit
with following parameters:

	group: igt-basic-0
	ucode: 0xd6

test-description: Piglit is a collection of automated tests for OpenGL implementations.
test-url: https://people.freedesktop.org/~nh/piglit/


on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 16G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>


2020-03-05 13:41:21 piglit run igt -t igt.gem_ctx_exec.basic-nohangcheck /tmp/lkp/piglit-results -x igt.gem_ctx_exec.basic-nohangcheck.
[1/1] fail: 1 |
[1/1] fail: 1  

             
Thank you for running Piglit!
Results have been written to /tmp/lkp/piglit-results
igt.gem_ctx_exec.basic-nohangcheck.seconds: 3.386206595
2020-03-05 13:41:24 piglit summary console /tmp/lkp/piglit-results/results.json.bz2
igt/gem_ctx_exec/basic-nohangcheck: fail
summary:
       name: piglit-results
       ----  --------------
       pass:              0
       fail:              1
      crash:              0
       skip:              0
    timeout:              0
       warn:              0
 incomplete:              0
 dmesg-warn:              0
 dmesg-fail:              0
    changes:              0
      fixes:              0
regressions:              0
      total:              1
       time:       00:00:02


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Rong Chen


View attachment "config-5.6.0-rc2-00010-gb1339ecac661e1" of type "text/plain" (203572 bytes)

View attachment "job-script" of type "text/plain" (5222 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (42252 bytes)

View attachment "piglit" of type "text/plain" (85837 bytes)

View attachment "job.yaml" of type "text/plain" (4352 bytes)

View attachment "reproduce" of type "text/plain" (19736 bytes)

Download attachment "igt-gem_ctx_exec-basic-nohangcheck.json.bz2" of type "application/octet-stream" (4443 bytes)