linux-kernel - Re: OnStream DI30: undescriptive message: CoD != 0 in idescsi_pc

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Message-Id: <20070121163719.6c4defd8.randy.dunlap@oracle.com>
Date:	Sun, 21 Jan 2007 16:37:19 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	bjdouma@...all.nl
Cc:	linux-kernel@...r.kernel.org, osst@...de.org,
	osst-users@...ts.sourceforge.net, scsi <linux-scsi@...r.kernel.org>
Subject: Re: OnStream DI30: undescriptive message: CoD != 0 in
 idescsi_pc_intr

On Sun, 21 Jan 2007 03:14:33 +0100 Bauke Jan Douma wrote:

> OnStream Di30 (using ide-scsi and osst drivers), when reading
> or writing I regularly get these kernel messages:
> 
> <3>ide-scsi: CoD != 0 in idescsi_pc_intr
> 
> Let's assume flaky hardware; nothing we can hold the kernel to
> blame for (which is 2.6.19.1) -- it's a good thing it's calling
> our attention.  There's no data corruption, btw.
> 
> However, said message is quite useless because undescriptive
> and too terse.

Not sure that this helps much.

---
From: Randy Dunlap <randy.dunlap@...cle.com>

Expand on a terse ide-scsi message.
Something is confused.

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 drivers/scsi/ide-scsi.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2619-work.orig/drivers/scsi/ide-scsi.c
+++ linux-2619-work/drivers/scsi/ide-scsi.c
@@ -528,7 +528,7 @@ static ide_startstop_t idescsi_pc_intr (
 	ireason.all	= HWIF(drive)->INB(IDE_IREASON_REG);
 
 	if (ireason.b.cod) {
-		printk(KERN_ERR "ide-scsi: CoD != 0 in idescsi_pc_intr\n");
+		printk(KERN_ERR "ide-scsi: CoD(Command/Data flag) != 0(Data) in idescsi_pc_intr\n");
 		return ide_do_reset (drive);
 	}
 	if (ireason.b.io) {

-
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