[igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests for resolution and panning

[Petri Latvala]

On Fri, Nov 05, 2021 at 10:41:08AM +0100, Thomas Zimmermann wrote:
> Hi
> 
> Am 05.11.21 um 10:32 schrieb Saarinen, Jani:
> > Hi,
> > > -----Original Message-----
> > > From: Thomas Zimmermann <tzimmermann at suse.de>
> > > Sent: perjantai 5. marraskuuta 2021 11.22
> > > To: Saarinen, Jani <jani.saarinen at intel.com>; Latvala, Petri
> > > <petri.latvala at intel.com>; Syrjala, Ville <ville.syrjala at intel.com>
> > > Cc: igt-dev at lists.freedesktop.org
> > > Subject: Re: [igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests for resolution and
> > > panning
> > > 
> > > Hi
> > > 
> > > Am 05.11.21 um 09:51 schrieb Saarinen, Jani:
> > > > + at Syrjala, Ville who reviewed.
> > > > 
> > > > > -----Original Message-----
> > > > > From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of
> > > > > Saarinen, Jani
> > > > > Sent: perjantai 5. marraskuuta 2021 10.23
> > > > > To: Latvala, Petri <petri.latvala at intel.com>; Thomas Zimmermann
> > > > > <tzimmermann at suse.de>
> > > > > Cc: igt-dev at lists.freedesktop.org
> > > > > Subject: Re: [igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests
> > > > > for resolution and panning
> > > > > 
> > > > > Hi,
> > > > > 
> > > > > > -----Original Message-----
> > > > > > From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of
> > > > > > Petri Latvala
> > > > > > Sent: maanantai 1. marraskuuta 2021 16.23
> > > > > > To: Thomas Zimmermann <tzimmermann at suse.de>drm_atomic_plane_check
> > > > > > Cc: igt-dev at lists.freedesktop.org
> > > > > > Subject: Re: [igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests
> > > > > > for resolution and panning
> > > > > > 
> > > > > > On Mon, Nov 01, 2021 at 03:17:54PM +0100, Thomas Zimmermann wrote:
> > > > > > > Ping for merging these patches.
> > > > > > 
> > > > > > Merged the lot, thanks.
> > > > > Caused now this:
> > > > > https://gitlab.freedesktop.org/drm/intel/-/issues/4435
> > > > > So failing on several systems.
> > > 
> > > The test tries move the scanout location within the fbdev memory. This works with
> > > other drivers.
> > > 
> > > Did you check that i915 supports this? Can you get a full backtrace, so that we see
> > > for which parameters it fails.
> > Did you check the logs in bug: eg
> > https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_939/fi-tgl-1115g4/igt@fbdev@pan.html
> > Does this include data you ask for?
> 
> I did. The line
> 
>    #2 [<unknown>+0x0]
> 
> would contain that information. There are no debugging symbols available, I
> guess?


With the extra debug traces from
https://patchwork.freedesktop.org/series/96609/ we get

(fbdev:6665) DEBUG: Jump to opposite end of virtual screen
(fbdev:6665) CRITICAL: Test assertion failure function pan_test, file ../tests/fbdev.c:65:
(fbdev:6665) CRITICAL: Failed assertion: ret == expected_ret
(fbdev:6665) CRITICAL: Last errno: 28, No space left on device
(fbdev:6665) CRITICAL: ioctl(FBIOPAN_DISPLAY) returned ret=-1, expected 0

Ville already found the cause though and commented on
https://gitlab.freedesktop.org/drm/intel/-/issues/4435


-- 
Petri Latvala