[6881] in linux-scsi channel archive
re: Oops in 2.2.10 with AHA-2940U2W SCSI, Yamaha 4416s CDRW
daemon@ATHENA.MIT.EDU (Tim Ricketts)
Fri Jul 23 14:32:15 1999
Date: Fri, 23 Jul 1999 15:34:51 +0100 (GMT)
From: Tim Ricketts <tr@oxlug.org>
To: frogstar@earthling.net
cc: linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
In-Reply-To: <Pine.SOL.4.10.9907201246360.22141-100000@geranium.css.sfu.ca>
On Tue, 20 Jul 1999, Benjamin Lewis wrote:
> (gdb) l *0xc01c6fc3
> 0xc01c6fc3 is in aic7xxx_handle_scsiint (aic7xxx.c:6197).
> 6192 * we get a reset since this abort just failed.
> 6193 */
> 6194 cmd->result = 0;
> 6195 scb = NULL;
Seeing as we've already checked scb isn't NULL, my guess is that the line
above is getting executed.
> 6196 }
> 6197 if (scb->cmd == p->dev_dtr_cmnd[TARGET_INDEX(scb->cmd)])
So this oopses. Will this solve the problem? It certainly can't cause
any more problems:
diff -urN linux-2.2.10/drivers/scsi/aic7xxx.c linux/drivers/scsi/aic7xxx.c
--- linux-2.2.10/drivers/scsi/aic7xxx.c Mon Jun 14 12:31:01 1999
+++ linux/drivers/scsi/aic7xxx.c Fri Jul 23 15:30:52 1999
@@ -6194,7 +6194,7 @@
cmd->result = 0;
scb = NULL;
}
- if (scb->cmd == p->dev_dtr_cmnd[TARGET_INDEX(scb->cmd)])
+ else if (scb->cmd == p->dev_dtr_cmnd[TARGET_INDEX(scb->cmd)])
{
/*
* Turn off the needsdtr, needwdtr, and needppr bits since this device
--
Tim
Quidquid latine dictum sit, altum viditur.
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