Re: 2.4.20-pre2-ac3 stops responding

[Andrew Rodland <arodland@noln.com>]

On Fri, 16 Aug 2002 18:29:48 +0200
Jean-Luc Coulon <jean-luc.coulon@wanadoo.fr> wrote:

> Rik van Riel wrote:
> > 
> > On Fri, 16 Aug 2002, Jean-Luc Coulon wrote:
> > 
> > > 2nd while running:
> > > ------------------
> > > If I have high disk activity, the system stops responding for a
> > > while, it does not accepts any key action nor mouse movement. It
> > > starts running normally after few seconds.
> /dev/hda2:
> multcount    =  1 (on)
> IO_support   =  1 (32-bit)
> unmaskirq    =  0 (off)
> using_dma    =  0 (off)
> keepsettings =  0 (off)
> readonly     =  0 (off)
> readahead    =  8 (on)
> geometry     = 3649/255/63, sectors = 29302560, start = 9767520
> HDIO_GET_IDENTITY failed: Invalid argument
> 
> [root@debian-f5ibh] ~ # hdparm -d1 /dev/hda2
> 
> /dev/hda2:
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Invalid argument
> using_dma    =  0 (off)
> 
how about umaskirq (hdparm -u1) ? that should help quite a bit, if it
works.

oh, and by the way, does it matter that you're doing hdparm on a
partition rather than the wholedisk?