Re: SCSI Kernel Problem - BAD

Eric Youngdale (eric@aib.com)
Mon, 18 Mar 1996 19:19:29 -0500

I have something I would like people to try if they have been
experiencing data corruption problems with SCSI. The patch is pretty
simple, it just disables resets being sent because of timeout - someone
else tried something like this and found that it helped.

Note that there may be error conditions which will no longer be
recoverable with this set, but I am not sure how often this comes up.
Right now I would like to know if this improves system reliability.

-Eric

*** drivers/scsi/scsi.c.~1~ Wed Feb 21 12:02:01 1996
--- drivers/scsi/scsi.c Mon Mar 18 19:18:44 1996
***************
*** 805,814 ****
--- 805,819 ----
if (!scsi_abort (SCpnt, DID_TIME_OUT, pid))
return;
case IN_ABORT:
+ #if 0
printk("SCSI host %d abort (pid %ld) timed out - resetting\n",
SCpnt->host->host_no, SCpnt->pid);
if (!scsi_reset (SCpnt, FALSE))
return;
+ #else
+ printk("SCSI reset not performed...\n");
+ return;
+ #endif
case IN_RESET:
case (IN_ABORT | IN_RESET):
/* This might be controversial, but if there is a bus hang,

-- 
"The woods are lovely, dark and deep.  But I have promises to keep,
And lines to code before I sleep, And lines to code before I sleep."