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Created attachment 460538 [details]
patch to fix this

clone of F-12 bug
--------------------------------
Description of problem:

Smartctl segmentation fault and crash when asking for SMART test of
a disk on a DELL MegaRaid controller. 

Version-Release number of selected component (if applicable):

smartctl 5.39.1 2010-01-28 r3054 [x86_64-redhat-linux-gnu] (local build)
smartmontools-5.39.1-1.fc12.x86_64


How reproducible:

Always reproducible

Steps to Reproduce:
1. smartctl -t short /dev/sda -d megaraid,0
2. segmentation fault and crash

Actual results:
smartctl 5.39.1 2010-01-28 r3054 [x86_64-redhat-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

Segmentation fault

Message from syslogd@webster at Mar 29 14:45:01 ...
 kernel:invalid opcode: 0000 [#8] SMP 
 kernel:last sysfs file:
/sys/devices/system/cpu/cpu15/cache/index2/shared_cpu_map
 kernel:Stack:
 kernel:Call Trace:
 kernel:Code: 00 08 00 00 49 c1 ef 0b 4c 8b 75 c0 49 81 c6 ff 07 00 00 49 c1 ee
0b 48 81 7d c0 01 10 00 00 45 19 ed 41 83 c5 02 45 85 f6 75 04 <0f> 0b eb fe 48
c7 c7 c0 7a a0 81 45 89 ec e8 a9 10 22 00 49 89 


Additional info:
http://sourceforge.net/apps/trac/smartmontools/ticket/78

    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:
In some cases, the smartmontools utilities passed to SCSI "ioctl" function certain values that the MegaRAID controller could not handle and S.M.A.R.T. self-tests on MegaRAID devices caused kernel errors and smartctl terminated unexpectedly. Such values are no longer passed to the MegaRAID controller and the bug is fixed.

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/RHBA-2011-0680.html