lkml.org 
[lkml]   [2009]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: ATA device reset, shoud I be concerned?
> Nvidia CK804 SATA controllers appear to also explode on reading TF 
> registers after media errors in certain cases. (They tend to either
> lockup the machine or throw HyperTransport timeout machine check

You must halt any running DMA activity before reading them. This is true
for pretty much all task file style controllers although the results of
not doing so vary by device somewhat.



\
 
 \ /
  Last update: 2009-08-27 10:39    [W:0.072 / U:0.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site