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SubjectRe: 2.5.63/64 do not boot: loop in scsi_error
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);
}

-
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