Re: SMP

Richard B. Johnson (root@analogic.com)
Wed, 23 Apr 1997 08:34:02 -0400 (EDT)


On Tue, 22 Apr 1997, Ingo Molnar wrote:

> On Tue, 22 Apr 1997, Richard B. Johnson wrote:
>
> > More problems with 2.1.36x SMP machine. I found it this morning
> > with an OOPS... pertainent data are copied from the screen
> >
> > end_scsi_request : buffer-list destroyed
> > end_scsi_request : buffer-list destroyed
> > attempt to access beyond end of device
> >
> > kernel panic EXT2-fs panic
>
> Does the attached patch help you? Slight chance only ...
>
> -- mingo
>
> --- aic7xxx.c.orig Tue Apr 22 23:38:17 1997
> +++ aic7xxx.c Tue Apr 22 23:40:01 1997
> @@ -457,6 +457,7 @@
> * sections.
> */
> #define PAUSE_SEQUENCER(p) \
> + synchronize_irq(); \
> outb(p->pause, HCNTRL + p->base); \
> while ((inb(HCNTRL + p->base) & PAUSE) == 0) \
> ; \
>
YES! YES! In fact it does! The midnight crash occurs during my crond
backup using this controller. I hacked something like this in an
attempt to "solve" the problem. I was too dumb to put it in the
macro <grin>.

Cheers,
Dick Johnson
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Richard B. Johnson
Project Engineer
Analogic Corporation
Voice : (508) 977-3000 ext. 3754
Fax : (508) 532-6097
Modem : (508) 977-6870
Ftp : ftp@boneserver.analogic.com
Email : rjohnson@analogic.com, johnson@analogic.com
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