lkml.org 
[lkml]   [2006]   [May]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.6.15-rc1: IDE: fix potential data corruption with SL82C105 interfaces
Hello.

Alan Cox wrote:
> On Sad, 2005-11-12 at 16:55 +0000, Russell King wrote:
>
>>We must _never_ _ever_ on pain of death enable IDE DMA on SL82C105
>>chipsets where the southbridge revision is <= 5, otherwise data
>>corruption will occur.

> If you are fixing this driver also set ->serialize = 1; before someone
> with dual channel device gets burned.

Heh, this driver also tries to cache the single PCI register per-channel
like hpt366.c... This buglet concerns using fast PIO timings and is probably
harmless though but needs to be fixed -- I'll send a patch soon...
I wonder what is otherwise wrong with using 2 channels concurrently?

MBR, Sergei
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-05-15 16:35    [W:0.070 / U:0.600 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site