[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [1/3] drm/atomic-helper: Fix leak in disable_all

[Chris Wilson]

Quoting Daniel Vetter (2017-07-14 22:03:05)
> On Fri, Jul 14, 2017 at 09:32:13PM +0100, Chris Wilson wrote:
> > Quoting Patchwork (2017-07-14 21:18:04)
> > > == Series Details ==
> > > 
> > > Series: series starting with [1/3] drm/atomic-helper: Fix leak in disable_all
> > > URL   : https://patchwork.freedesktop.org/series/27327/
> > > State : failure
> > > 
> > > == Summary ==
> > > 
> > > Series 27327v1 Series without cover letter
> > > https://patchwork.freedesktop.org/api/1.0/series/27327/revisions/1/mbox/
> > > 
> > > Test gem_exec_fence:
> > >         Subgroup await-hang-default:
> > >                 pass       -> INCOMPLETE (fi-blb-e6850)
> > >                 pass       -> INCOMPLETE (fi-pnv-d510)
> > > Test gem_exec_flush:
> > >         Subgroup basic-batch-kernel-default-uc:
> > >                 fail       -> PASS       (fi-snb-2600) fdo#100007
> > > Test kms_busy:
> > >         Subgroup basic-flip-default-a:
> > >                 pass       -> INCOMPLETE (fi-ilk-650)
> > >                 pass       -> INCOMPLETE (fi-snb-2520m)
> > >                 pass       -> INCOMPLETE (fi-snb-2600)
> > >                 pass       -> INCOMPLETE (fi-ivb-3520m)
> > >                 pass       -> INCOMPLETE (fi-ivb-3770)
> > >                 pass       -> INCOMPLETE (fi-byt-j1900)
> > >                 pass       -> INCOMPLETE (fi-byt-n2820)
> > >                 pass       -> INCOMPLETE (fi-hsw-4770)
> > >                 pass       -> INCOMPLETE (fi-hsw-4770r)
> > >                 pass       -> INCOMPLETE (fi-bdw-5557u)
> > >                 pass       -> INCOMPLETE (fi-bdw-gvtdvm)
> > >                 pass       -> INCOMPLETE (fi-skl-6260u)
> > >                 pass       -> INCOMPLETE (fi-skl-6700hq) fdo#101144
> > >                 pass       -> INCOMPLETE (fi-skl-6700k)
> > >                 pass       -> INCOMPLETE (fi-skl-6770hq)
> > >                 pass       -> INCOMPLETE (fi-skl-gvtdvm)
> > >                 none       -> INCOMPLETE (fi-skl-x1585l)
> > >                 pass       -> INCOMPLETE (fi-bxt-j4205)
> > >                 pass       -> INCOMPLETE (fi-kbl-7500u)
> > >                 pass       -> INCOMPLETE (fi-kbl-7560u)
> > >                 pass       -> INCOMPLETE (fi-kbl-r)
> > >                 pass       -> INCOMPLETE (fi-glk-2a)
> > >         Subgroup basic-flip-default-c:
> > >                 pass       -> INCOMPLETE (fi-bsw-n3050)
> > 
> > Looks like we decremented a refcount once too often (after it was freed,
> > poison 0x6b--). That clean up plane->old_fb?
> 
> I can't even run that testcase without my gpu reset fixes, epic win :(

It's hard to tell, but considering that the error it is detecting is slab
corruption, it is more likely an earlier test that is doing the dirty
deed. This is kasan territory. Tomi!
-Chris