Bug 504080 - MegaRAID SAS 1078 tape I/O errors when using mt erase
MegaRAID SAS 1078 tape I/O errors when using mt erase
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
4.8
All Linux
urgent Severity urgent
: rc
: 4.9
Assigned To: Tomas Henzl
Evan McNabb
: ZStream
Depends On:
Blocks: 517965
  Show dependency treegraph
 
Reported: 2009-06-04 01:03 EDT by Mark Goodwin
Modified: 2011-02-16 10:24 EST (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Time-outs resulted in I/O errors being logged to "/var/log/messages" when running "mt erase" on tape drives using certain LSI MegaRAID SAS adapters, preventing the command from completing. The megaraid_sas driver's timeout value is now set to the OS layer value.
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Clone Of:
Environment:
Last Closed: 2011-02-16 10:24:26 EST
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Regression: ---
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CRM:
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
fix megaraid sas tape errors (774 bytes, patch)
2009-06-04 01:03 EDT, Mark Goodwin
no flags Details | Diff

  None (edit)
Description Mark Goodwin 2009-06-04 01:03:01 EDT
Created attachment 346492 [details]
fix megaraid sas tape errors

Description of problem:

Megaraid SAS tape I/O errors on 'mt erase'. This is being fixed for RHEL5.4
vi BZ 475574, but that includes a full driver update - for RHEL4, we just
want the patch attached to this BZ to address the issues in the related IT.

How reproducible: always
Steps to Reproduce: 'mt erase'  fails with I/O errors reported in syslog

The customer has verified the attached patch against 2.6.9-89.EL
fixes the issue on RHEL4.
Comment 6 Tomas Henzl 2009-07-02 10:47:48 EDT
Mark,
I've started a brew build with patch http://brewweb.devel.redhat.com/brew/taskinfo?taskID=1871969
Since I can't test it myself I'll then post a patched kernel here and ask you for verifying this.
Comment 7 RHEL Product and Program Management 2009-07-02 11:03:49 EDT
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.
Comment 8 Tomas Henzl 2009-07-03 08:31:48 EDT
Mark,
the patched kernel is here  http://people.redhat.com/thenzl/504080/
Please verify that it resolves the issue.
Thanks,
Tomas
Comment 10 Tomas Henzl 2009-07-09 07:49:11 EDT
Thanks Mark,
posted today - http://post-office.corp.redhat.com/archives/rhkernel-list/2009-July/msg00312.html
Comment 12 Vivek Goyal 2009-08-19 10:45:23 EDT
Committed in 89.10.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/
Comment 18 Douglas Silas 2011-01-30 18:44:33 EST
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Time-outs resulted in I/O errors being logged to "/var/log/messages" when running "mt erase" on tape drives using certain LSI MegaRAID SAS adapters, preventing the command from completing. The megaraid_sas driver's timeout value is now set to the OS layer value.
Comment 19 errata-xmlrpc 2011-02-16 10:24:26 EST
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0263.html

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