Op 17-03-16 om 11:49 schreef William Dauchy:
> On Mon, Jan 11, 2016 at 2:35 AM, kernel test robot
> <ying.hu...@linux.intel.com> wrote:
>> FYI, we noticed the below changes on
>>
>> git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
>> commit 396e33ae204f52abebec9e578f44c749305500f4 ("drm/i915: Add two-stage
>> ILK-style watermark programming (v10)")
>>
>>
>> +--------------------------------------------------+------------+------------+
>> | | 2dfb0b816d | 396e33ae20
>> |
>> +--------------------------------------------------+------------+------------+
>> | boot_successes | 8 | 19
>> |
>> | boot_failures | 0 | 4
>> |
>> | drm:intel_set_cpu_fifo_underrun_reporting[i915]] | 0 | 4
>> |
>> | drm:intel_cpu_fifo_underrun_irq_handler[i915]] | 0 | 4
>> |
>> | drm:intel_set_pch_fifo_underrun_reporting[i915]] | 0 | 4
>> |
>> | drm:intel_pch_fifo_underrun_irq_handler[i915]] | 0 | 4
>> |
>> +--------------------------------------------------+------------+------------+
>>
>>
>>
>> [ 36.077826] NFS: Registering the id_resolver key type
>> [ 36.078178] Key type id_resolver registered
>> [ 36.078444] Key type id_legacy registered
>> [ 60.884026] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
>> uncleared fifo underrun on pipe B
>> [ 60.884659] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
>> pipe B FIFO underrun
>> [ 60.885221] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
>> uncleared pch fifo underrun on pch transcoder B
>> [ 60.885887] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
>> transcoder B FIFO underrun
>> [ 61.180651] random: nonblocking pool is initialized
>> [ 81.430503] [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR*
>> uncleared fifo underrun on pipe C
>> [ 81.431193] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
>> pipe C FIFO underrun
>> [ 81.431782] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
>> uncleared pch fifo underrun on pch transcoder C
>> [ 81.432474] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
>> transcoder C FIFO underrun
>>
>>
>> To reproduce:
>>
>> git clone
>> git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
>> cd lkp-tests
>> bin/lkp install job.yaml # job file is attached in this email
>> bin/lkp run job.yaml
> I am still triggering these errors on v4.4.6
> Does anybody knows if there is a fix in queue? What can I do to help
> debug this issue?
>
Does it happen with latest -nightly?
~Maarten
