Re: ac17-18 OS freeze

From: Andre Hedrick (andre@linux-ide.org)
Date: Sat Jun 17 2000 - 00:27:00 EST


Adam,

You need to add that inline get out call we taked about.

On Fri, 16 Jun 2000, Christopher Zimmerman wrote:

> Christopher Zimmerman wrote:
>
> > Andre Hedrick wrote:
> >
> > > On Thu, 15 Jun 2000, Christopher Zimmerman wrote:
> > >
> > > > This deadlock has been around since 2.4.0-test1. However, sine 2.4.0-test1
> > > > there has been a large improvement. I have to try much harder now to kill my
> > > > boxes. As for the IRQ state I'm not sure I've never checked. Since my test
> > > > machines are fairly stable I'm actually using them to do some massive data
> > > > processing. Once all my processes have completed I'll try the cat /dev/hda >
> > > > /dev/null & thing and monitor the IRQ state. Actually come to think of it
> > > > how do you find out the IRQ state for a particular device?
> > >
> > > Interesting that is when I began getting nailed for deadlocks also...
> > >
> > > The driver has to export it to a procfs file for reading.
> > > Currently PDC2026x cards and CMD64x cards do this in ATA.
> > >
> > > Andre Hedrick
> > > The Linux ATA/IDE guy
> > >
> > > -
> > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > > the body of a message to majordomo@vger.rutgers.edu
> > > Please read the FAQ at http://www.tux.org/lkml/
> >
> > Okay I've done some more testing today and have narrowed the problem to the
> > 3ware and adaptec aic-7896 cards. I ran my test on a box that has an integrated
> > Intel 82371AB ide controller and a 4-port 3ware card installed. I ran multiple
> > cats of the hda > /dev/null and 5 concurrent bonnies without a hitch. The
> > deadlock only seems to arise on systems with both aic7xxx and 3ware cards
> > installed.
> >
> > -zim
> >
> > Christopher Zimmerman
> > AltaVista Company
> > Index Build Engineering
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@vger.rutgers.edu
> > Please read the FAQ at http://www.tux.org/lkml/
>
> One more thing. A cat of /proc/pci shows that both the adaptec and 3ware cards
> are using irq 16?
>
> -zim
>
> Christopher Zimmerman
> AltaVista Company
> Index Build Engineering
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.rutgers.edu
> Please read the FAQ at http://www.tux.org/lkml/
>

Andre Hedrick
The Linux ATA/IDE guy

-
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