From: Daniel Vetter <daniel@ffwll.ch>
To: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>,
Daniel Vetter <daniel.vetter@intel.com>,
intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, Dave Airlie <airlied@redhat.com>
Subject: Re: Regression of v4.6-rc vs. v4.5 bisected: a98ee79317b4 "drm/i915/fbc: enable FBC by default on HSW and BDW"
Date: Fri, 6 May 2016 08:37:14 +0200 [thread overview]
Message-ID: <20160506063714.GR1286@phenom.ffwll.local> (raw)
In-Reply-To: <20160505224531.07474445@kant>
On Thu, May 05, 2016 at 10:45:31PM +0200, Stefan Richter wrote:
> On May 05 Stefan Richter wrote:
> > Quoting the changelog of the commit:
> [...]
> > - Download intel-gpu-tools, compile it, and run:
> > $ sudo ./tests/kms_frontbuffer_tracking --run-subtest '*fbc-*' 2>&1 | tee fbc.txt
> > Then send us the fbc.txt file, especially if you get a failure.
>
> Attached are results of kms_frontbuffer_tracking from current
> intel-gpu-tools.git (intel-gpu-tools-1.14-273-gb4b2ac346c92), taken on
> kernel v4.5.2 and on v4.6-rc5.
> Subtest fbc-1p-primscrn-spr-indfb-fullscreen failed.
> **** DEBUG ****
> (kms_frontbuffer_tracking:2266) DEBUG: Test requirement passed: fbc.can_test
> (kms_frontbuffer_tracking:2266) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd)
> (kms_frontbuffer_tracking:2266) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=2560, height=1440, format=0x34325258, tiling=0x100000000000001, size=14745600)
> (kms_frontbuffer_tracking:2266) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd)
> (kms_frontbuffer_tracking:2266) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd)
> (kms_frontbuffer_tracking:2266) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=7, pitch=10240)
> (kms_frontbuffer_tracking:2266) igt-draw-DEBUG: Test requirement passed: intel_gen(intel_get_drm_devid(fd)) >= 5
> (kms_frontbuffer_tracking:2266) DEBUG: Rect 0 CRC: pipe:[febb8b20 00000000 00000000 00000000 00000000] sink:[unsupported!]
> (kms_frontbuffer_tracking:2266) igt-draw-DEBUG: Test requirement passed: intel_gen(intel_get_drm_devid(fd)) >= 5
> (kms_frontbuffer_tracking:2266) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!]
> (kms_frontbuffer_tracking:2266) DEBUG: Test requirement passed: !fbc_not_enough_stolen()
> (kms_frontbuffer_tracking:2266) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!]
> (kms_frontbuffer_tracking:2266) igt-draw-DEBUG: Test requirement passed: intel_gen(intel_get_drm_devid(fd)) >= 5
> (kms_frontbuffer_tracking:2266) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!]
> (kms_frontbuffer_tracking:2266) DEBUG: Test requirement passed: !fbc_not_enough_stolen()
> (kms_frontbuffer_tracking:2266) DEBUG: Calculated CRC: pipe:[2ca73d01 00000000 00000000 00000000 00000000] sink:[unsupported!]
> (kms_frontbuffer_tracking:2266) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd)
> (kms_frontbuffer_tracking:2266) igt-fb-DEBUG: igt_create_fb_with_bo_size(width=2560, height=1440, format=0x34325258, tiling=0x100000000000001, size=14745600)
> (kms_frontbuffer_tracking:2266) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd)
> (kms_frontbuffer_tracking:2266) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd)
> (kms_frontbuffer_tracking:2266) igt-fb-DEBUG: igt_create_fb_with_bo_size(handle=7, pitch=10240)
> (kms_frontbuffer_tracking:2266) DEBUG: Calculated CRC: pipe:[febb8b20 00000000 00000000 00000000 00000000] sink:[unsupported!]
> (kms_frontbuffer_tracking:2266) DEBUG: Test requirement passed: !fbc_not_enough_stolen()
> (kms_frontbuffer_tracking:2266) DEBUG: Calculated CRC: pipe:[febb8b20 00000000 00000000 00000000 00000000] sink:[unsupported!]
> (kms_frontbuffer_tracking:2266) igt-core-INFO: Timed out: CRC reading
> **** END ****
> Timed out: CRC reading
> Subtest fbc-1p-primscrn-spr-indfb-fullscreen: FAIL (5.876s)
This one failed in both runs. Can you please retest with just that using
# kms_frontbuffer_tracking --run-subtest fbc-1p-primscrn-spr-indfb-fullscreen
Also please boot with drm.debug=0xe and grab the full dmesg of just that
single subtest. There's definitely something going wrong here.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
next prev parent reply other threads:[~2016-05-06 6:37 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-26 19:00 Regression of v4.6-rc vs. v4.5: hangs after a few minutes after boot Stefan Richter
2016-04-26 19:05 ` Stefan Richter
2016-04-26 19:07 ` Stefan Richter
2016-04-27 18:51 ` Stefan Richter
2016-04-27 19:22 ` Stefan Richter
2016-04-27 19:37 ` Stefan Richter
2016-04-29 8:07 ` Stefan Richter
2016-04-30 13:51 ` Regression of v4.6-rc vs. v4.5: Merge tag 'drm-intel-next-2016-02-29' Stefan Richter
2016-05-05 17:45 ` Regression of v4.6-rc vs. v4.5 bisected: a98ee79317b4 "drm/i915/fbc: enable FBC by default on HSW and BDW" Stefan Richter
2016-05-05 18:50 ` Zanoni, Paulo R
2016-05-05 19:59 ` [Intel-gfx] " Daniel Vetter
2016-05-05 22:56 ` Stefan Richter
2016-05-05 22:54 ` Stefan Richter
2016-05-05 23:55 ` Zanoni, Paulo R
2016-05-08 10:18 ` Stefan Richter
2016-05-08 11:20 ` Stefan Richter
2016-05-05 19:54 ` Stefan Richter
2016-05-05 20:45 ` Stefan Richter
2016-05-06 6:37 ` Daniel Vetter [this message]
2016-05-08 11:44 ` Stefan Richter
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