Bug 631903

Summary: megaraid_sas: fix physical disk handling [rhel-4.8.z]
Product: Red Hat Enterprise Linux 4 Reporter: RHEL Program Management <pm-rhel>
Component: kernelAssignee: Don Howard <dhoward>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: high Docs Contact:
Priority: urgent    
Version: 4.8CC: andriusb, bmr, bo.yang, bubrown, coughlan, dhoward, jpirko, kawajiri, martin.wilck, mchristi, mgoodwin, moshiro, myamazak, pm-eus, revers, tao, thenzl, vgoyal
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
A bug was found in the way the megaraid_sas driver handled physical disks and management IOCTLs. All physical disks were exported to the disk layer, allowing an oops in megasas_complete_cmd_dpc() when completing the IOCTL command if a timeout occurred.
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-10-19 18:48:41 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 577178    
Bug Blocks:    

Description RHEL Program Management 2010-09-08 15:59:03 UTC
This bug has been copied from bug #577178 and has been proposed
to be backported to 4.8 z-stream (EUS).

Comment 3 Don Howard 2010-09-16 16:40:56 UTC
A patch for this issue has been included in kernel 2.6.9-89.0.30.

Comment 6 errata-xmlrpc 2010-10-19 18:48:41 UTC
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-2010-0779.html

Comment 7 Martin Prpič 2010-10-21 12:27:16 UTC
    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:
A bug was found in the way the megaraid_sas driver handled physical disks and management IOCTLs. All physical disks were exported to the disk layer, allowing an oops in megasas_complete_cmd_dpc() when completing the IOCTL command if a timeout occurred.