Re: ✗ Fi.CI.BAT: warning for improve handling of the driver's default (kernel) context

From: Daniel Vetter <daniel@ffwll.ch>
To: Dave Gordon <david.s.gordon@intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
Subject: Re: ✗ Fi.CI.BAT: warning for improve handling of the driver's default (kernel) context
Date: Thu, 21 Jan 2016 09:19:49 +0100	[thread overview]
Message-ID: <20160121081949.GJ19130@phenom.ffwll.local> (raw)
In-Reply-To: <569FC454.7080700@intel.com>

On Wed, Jan 20, 2016 at 05:31:00PM +0000, Dave Gordon wrote:
> On 20/01/16 07:49, Patchwork wrote:
> >== Summary ==
> >
> >Built on 7d26528d30b0d8119c858115b6e5e22deb74ec71 drm-intel-nightly: 2016y-01m-19d-19h-38m-52s UTC integration manifest
> >
> >Test gem_storedw_loop:
> >         Subgroup basic-render:
> >                 pass       -> DMESG-WARN (bdw-nuci7) UNSTABLE
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=93693
> [BAT SKL BDW] missed interrupt in gem_storedw_loop/basic-render with *ERROR*
> Hangcheck timer elapsed...
> 
> >Test kms_flip:
> >         Subgroup basic-flip-vs-wf_vblank:
> >                 dmesg-warn -> PASS       (ilk-hp8440p)
> >Test kms_pipe_crc_basic:
> >         Subgroup hang-read-crc-pipe-a:
> >                 pass       -> DMESG-WARN (ilk-hp8440p)
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=93787
> "[BAT ILK] sporadic fifo underruns"
> 
> The two 'dmesg-warn' -> PASS changes are similar cases where the underrun
> just happened to occur in the reference run and not in this patch test.
> 
> Also compare Bug 93640 - [BAT ILK SNB IVB bisected] Fifo underruns since
> CI_DRM_952
> 
> I'd consider marking these tests as UNSTABLE on ILK for now.
> 
> (Although, this was against CI_DRM_987, and it looks like maybe it's fixed
> after CI_DRM_989, at least on ILK).

It's jumping around all over right now, which is why we can't really mark
it as unstable. I thought this was just fallout from Matt breaking
watermarks on ilk-ivb, but reverting that patch uncovered that we have
some other fifo underruns still (or again, was 2 weeks without coverage
due to Matt's regression) happening. I'm looking into this, if I can coax
my ilk into coperation.
-Daniel

> 
> .Dave.
> 
> >         Subgroup read-crc-pipe-b:
> >                 dmesg-warn -> PASS       (ilk-hp8440p)
> >
> >bdw-nuci7        total:140  pass:130  dwarn:1   dfail:0   fail:0   skip:9
> >bdw-ultra        total:140  pass:132  dwarn:1   dfail:1   fail:0   skip:6
> >byt-nuc          total:143  pass:125  dwarn:3   dfail:0   fail:0   skip:15
> >hsw-brixbox      total:143  pass:136  dwarn:0   dfail:0   fail:0   skip:7
> >hsw-gt2          total:143  pass:139  dwarn:0   dfail:0   fail:0   skip:4
> >ilk-hp8440p      total:143  pass:102  dwarn:3   dfail:0   fail:0   skip:38
> >skl-i5k-2        total:143  pass:134  dwarn:1   dfail:0   fail:0   skip:8
> >skl-i7k-2        total:143  pass:134  dwarn:1   dfail:0   fail:0   skip:8
> >snb-dellxps      total:143  pass:124  dwarn:5   dfail:0   fail:0   skip:14
> >snb-x220t        total:143  pass:124  dwarn:5   dfail:0   fail:1   skip:13
> >
> >Results at /archive/results/CI_IGT_test/Patchwork_1225/
> 
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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