[14e4:4315] Fatal DMA errors on Dell Vostro 1310 (Celeron M540)

["Gábor Stefanik" <netrolller.3d@gmail.com>]

2010/4/3 G?bor Stefanik <netrolller.3d@gmail.com>:
> On Sat, Apr 3, 2010 at 6:03 PM, Larry Finger <Larry.Finger@lwfinger.net> wrote:
>> On 04/03/2010 04:57 AM, Myhailo Danylenko wrote:
>>> Fri, Apr 02, 2010 at 01:04:03PM -0500 ????? Larry Finger ???? ????????:
>>>> Any difficulties with wl are not our problem. Complain to Broadcom.
>>>
>>> Yep, I know :)
>>>
>>>> Is that with DMA? If so, the margin of error is better on your machine
>>>> than on most that have this problem, but you don't have an Atom.
>>>
>>> Yeah, but there's a great improvement between 2.6.32 and 2.6.33 - good
>>> work!
>>>
>>> If some testing will be needed - I'll hang around for next three weeks
>>> (maybe afterwards too) (though, in my case it's rather hard to determine
>>> if it works fine or still fails).
>>
>> From what I remember, we changed nothing. There has been recent work on
>> the DMA subsystem. Perhaps some of those changes introduced a better
>> margin of error for whatever is happening.
>>
>> Larry
>
> AFAIK my SSB PMU LDO voltage setting patches landed in 2.6.33. As
> Michael said before, the PMU cutting power to the device at
> inappropriate times can easily cause DMA errors, so any PMU

...changes can be considered suspicious. (I'm gonna shoot my mailer now.)

>
>>
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>
>
>
> --
> Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-)
>



-- 
Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-)