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SubjectRe: aic7xxx oops with 2.4.5-ac13

Hello,

At Thu, 21 Jun 2001 08:15:10,
Trevor Hemsley wrote:
>
> On Thu, 21 Jun 2001 03:05:02, "Jeff V. Merkey"
> <jmerkey@vger.timpanogas.org> wrote:
>
> > Ditto. I am also seeing this oops calling the sg driver for a
> > robotic tape library, and it also seems to happen on 2.4.4.
>
> In my case it appears that it was the symptom of severe bus problems.
> About 5 minutes after I posted the initial report I discovered that
> the cable from the back of the Nikon to the MO drive had fallen off so
> the bus was running unterminated. Replugging it fixed teh bus error
> and the oops.
>
> Looks like error handling is all fscked up...
>

I saw this oops too. The following patch is working for me, but I don't
know this is a correct fix.


diff -r -N -u linux.org/drivers/scsi/aic7xxx/aic7xxx_linux.c linux/drivers/scsi/aic7xxx/aic7xxx_linux.c
--- linux.org/drivers/scsi/aic7xxx/aic7xxx_linux.c Fri Mar 16 13:47:01 2001
+++ linux/drivers/scsi/aic7xxx/aic7xxx_linux.c Fri Mar 16 13:54:34 2001
@@ -1872,7 +1872,9 @@
break;
case AC_BUS_RESET:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
- scsi_report_bus_reset(ahc->platform_data->host, channel - 'A');
+ if (ahc->platform_data->host) {
+ scsi_report_bus_reset(ahc->platform_data->host, channel - 'A');
+ }
#endif
break;
default:
-
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