Re: 2.5.63/64 do not boot: loop in scsi_error

[Mike Anderson <andmike@us.ibm.com>]

Zwane Mwaikambo [zwane@linuxpower.ca] wrote:
> On Thu, 6 Mar 2003, James Bottomley wrote:
> 
> > This log implies the error handling finished after the BDR.  That looks
> > like the system doesn't have Mike's latest patch for the logic reversal
> > problem in scsi_eh_ready_devs, could you check this?
> 
> static void scsi_eh_ready_devs(struct Scsi_Host *shost,
>                               struct list_head *work_q,
>                               struct list_head *done_q)
> {
>        if (scsi_eh_bus_device_reset(shost, work_q, done_q))
>                if (scsi_eh_bus_reset(shost, work_q, done_q))
>                        if (scsi_eh_host_reset(work_q, done_q))
>                                scsi_eh_offline_sdevs(work_q, done_q);
> }
> 
> That is what i currently have, i'll try a boot with;
> 
> -               if (scsi_eh_bus_reset(shost, work_q, done_q))
> +               if (!scsi_eh_bus_reset(shost, work_q, done_q))
> 

This should not fix your problem you should apply the whole patch as the
reversed check on scsi_eh_bus_device_reset is what you should be
hitting.

The patch below should apply to your kernel version.

-andmike
--
Michael Anderson
andmike@us.ibm.com


=====
name:		00_scsi_error_ready_devs-1.diff
version:	2003-03-05.10:39:28-0800
against:	2.5.63

 scsi_error.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

=====
===== drivers/scsi/scsi_error.c 1.38 vs edited =====
--- 1.38/drivers/scsi/scsi_error.c	Sat Feb 22 08:17:01 2003
+++ edited/drivers/scsi/scsi_error.c	Wed Mar  5 10:14:22 2003
@@ -1490,9 +1490,9 @@
 			       struct list_head *work_q,
 			       struct list_head *done_q)
 {
-	if (scsi_eh_bus_device_reset(shost, work_q, done_q))
-		if (scsi_eh_bus_reset(shost, work_q, done_q))
-			if (scsi_eh_host_reset(work_q, done_q))
+	if (!scsi_eh_bus_device_reset(shost, work_q, done_q))
+		if (!scsi_eh_bus_reset(shost, work_q, done_q))
+			if (!scsi_eh_host_reset(work_q, done_q))
 				scsi_eh_offline_sdevs(work_q, done_q);
 }