From: Jani Nikula <jani.nikula@linux.intel.com>
To: jon <jmoroney@hawaii.edu>,
daniel.vetter@intel.com, Intel-gfx@lists.freedesktop.org
Subject: Re: PCH fifo underrun in 3.18
Date: Thu, 12 Feb 2015 08:26:11 +0200 [thread overview]
Message-ID: <87zj8j8x30.fsf@intel.com> (raw)
In-Reply-To: <54DBB948.6030000@hawaii.edu>
On Wed, 11 Feb 2015, jon <jmoroney@hawaii.edu> wrote:
> Under what product should I submit the bug? dmr.debug=14 doesn't show much.
The link I provided has those filled in. Product DRI, component
DRM/Intel.
Jani.
>
> [jon@localhost]~% dmesg | grep drm
> [ 1.936241] [drm] Initialized drm 1.1.0 20060810
> [ 2.193043] [drm] Memory usable by graphics device = 2048M
> [ 2.193046] [drm] Replacing VGA console driver
> [ 2.199998] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> [ 2.200000] [drm] Driver supports precise vblank timestamp query.
> [ 2.287949] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to
> bit banging on pin 5
> [ 2.297614] fbcon: inteldrmfb (fb0) is primary device
> [ 2.576664] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared
> pch fifo underrun on pch transcoder A
> [ 2.576666] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO
> underrun
>
>
> Jon
>
> On 02/08/2015 11:18 PM, Jani Nikula wrote:
>> On Fri, 30 Jan 2015, jon <jmoroney@hawaii.edu> wrote:
>>> Just updated my thinkpad (x230, ivy bridge platform) to 3.18 and boot
>>> fails with the error 'PCH fifo underrun'. This is under fedora 21 with
>>> the fedora kernel version 3.18.3-201
>> Please file a bug on [1], attach a dmesg from boot to the problem with
>> drm.debug=14 module parameter set. Reference this thread.
>>
>> Thanks,
>> Jani.
>>
>> [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
>>
>
> --
> Jon
>
--
Jani Nikula, Intel Open Source Technology Center
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next prev parent reply other threads:[~2015-02-12 6:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-29 23:21 PCH fifo underrun in 3.18 jon
2015-02-07 1:11 ` Fwd: " jon
2015-02-08 1:27 ` Fwd: " jon
2015-02-09 9:18 ` Jani Nikula
2015-02-11 20:19 ` jon
2015-02-12 6:26 ` Jani Nikula [this message]
2015-02-12 6:27 ` Jani Nikula
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