From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?G=E1bor_Stefanik?= Date: Sat, 3 Apr 2010 18:15:55 +0200 Subject: [14e4:4315] Fatal DMA errors on Dell Vostro 1310 (Celeron M540) In-Reply-To: References: <20100402171105.GA10965@tsubasa> <4BB63193.5050804@lwfinger.net> <20100403095749.GA21454@tsubasa> <4BB766B9.7040909@lwfinger.net> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: b43-dev@lists.infradead.org 2010/4/3 G?bor Stefanik : > On Sat, Apr 3, 2010 at 6:03 PM, Larry Finger 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.) > >> >> _______________________________________________ >> b43-dev mailing list >> b43-dev at lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/b43-dev >> > > > > -- > Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) > -- Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-)