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NEC reported same problem on RHEL5 Bug 665427 ([RHEL5.6] megaraid_sas stalls after driver is reset ).
As far as I've checked 71.el6 our latest RHEL6 kernel (98.el6) on brew, but it seems only part of patch (at http://marc.info/?l=linux-scsi&m=129018442416761&w=2) is applied so far.
Would you please open Bugzilla to fix this problem on RHEL6 too?
Current Situation:
- NEC reported there's same problem with RHEL5 bug 665427 on RHEL6.
What TAM had done:
- As far as TAM checked code on 71.el6 and 98.el6, a part of patch at http://marc.info/?l=linux-scsi&m=129018442416761&w=2 (plesae see below) is not applied yet.
---- a not applied part of patch at http://marc.info/?l=linux-scsi&m=129018442416761&w=2 ----
> @@ -2487,7 +2484,9 @@ megasas_transition_to_ready(struct megas
> case MFI_STATE_FAULT:
>
> printk(KERN_DEBUG "megasas: FW in FAULT state!!\n");
> - return -ENODEV;
> + max_wait = MEGASAS_RESET_WAIT_TIME;
> + cur_state = MFI_STATE_FAULT;
> + break;
>
> case MFI_STATE_WAIT_HANDSHAKE:
> /*
- Also, here's code in 71.el6 and 98.el6
---- kernel-2.6.32-71.el6.src.rpmbuild-bp/linux-2.6.32-71.el6.x86_64/drivers/scsi/megaraid/megaraid_sas.c ----
2406 while (fw_state != MFI_STATE_READY) {
2407
2408 abs_state = instance->instancet->read_fw_status_reg(instance->reg_set);
2409
2410 switch (fw_state) {
2411
2412 case MFI_STATE_FAULT:
2413
2414 printk(KERN_DEBUG "megasas: FW in FAULT state!!\n");
2415 return -ENODEV;
----
---- kernel-2.6.32-98.el6.src.rpmbuild-bp/linux-2.6.32-98.el6.x86_64/drivers/scsi/megaraid/megaraid_sas.c ----
2407 while (fw_state != MFI_STATE_READY) {
2408
2409 abs_state = instance->instancet->read_fw_status_reg(instance->reg_set);
2410
2411 switch (fw_state) {
2412
2413 case MFI_STATE_FAULT:
2414
2415 printk(KERN_DEBUG "megasas: FW in FAULT state!!\n");
2416 return -ENODEV;
----
Comment 3RHEL Program Management
2011-02-01 06:21:37 UTC
This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated
in the current release, Red Hat is unfortunately unable to
address this request at this time. Red Hat invites you to
ask your support representative to propose this request, if
appropriate and relevant, in the next release of Red Hat
Enterprise Linux. If you would like it considered as an
exception in the current release, please ask your support
representative.
Comment 4RHEL Program Management
2011-02-01 19:08:07 UTC
This request was erroneously denied for the current release of
Red Hat Enterprise Linux. The error has been fixed and this
request has been re-proposed for the current release.
(In reply to comment #1)
> NEC reported same problem on RHEL5 Bug 665427 ([RHEL5.6] megaraid_sas stalls
> after driver is reset ).
> As far as I've checked 71.el6 our latest RHEL6 kernel (98.el6) on brew, but it
> seems only part of patch (at
> http://marc.info/?l=linux-scsi&m=129018442416761&w=2) is applied so far.
>
> Would you please open Bugzilla to fix this problem on RHEL6 too?
The patch you are asking for was added to the -130 kernel, added via bz#692673.
I'm closing this as duplicate, the z-stream bug will be created based on 692673.
*** This bug has been marked as a duplicate of bug 692673 ***