Re: 2.4.20-pre2-ac3 stops responding

Jean-Luc Coulon (jean-luc.coulon@wanadoo.fr)
Fri, 16 Aug 2002 19:14:56 +0200


Andrew Rodland wrote:
>
> 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.

I can set it up, but I cannot set up the DMA

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

There is no difference

----
regards
jean-Luc
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