Bug 258561

Summary: Creating multiple snapshots causes kernel panic
Product: Red Hat Enterprise Linux 5 Reporter: Christian Nygaard <chris>
Component: lvm2Assignee: Milan Broz <mbroz>
Status: CLOSED DUPLICATE QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 5.0CC: agk, dwysocha, heinzm, mbroz, prockai, pvrabec
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Hardware: x86_64   
OS: All   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2007-09-07 13:43:35 UTC Type: ---
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Description Christian Nygaard 2007-08-28 00:09:54 UTC 
Description of problem:
If you create multiple snapshots with LVM and then use lvremove
the kernel panics. This also happens if you lvcreate, do not use lvremove
and just reboot, then the system always panics.

Version-Release number of selected component (if applicable):
5

How reproducible:
Create multiple lvm snapshots and then remove them, when you remove
the last snapshot the kernel panics.

Steps to Reproduce:
1. i=0 ; while [ $i -lt 18 ] ; do lvcreate -L32M -s -n test$i /dev/system/var ;
let i=i+1 ; done

2. i=0 ; while [ $i -lt 18 ] ; do lvremove -f /dev/system/test$i ; let i=i+1 ; done

3.
  
Actual results:
Kernel Panic

Expected results:
Snapshots

Additional info:
Comment 1 Milan Broz 2007-09-07 13:43:35 UTC 
There is no syslog attached output but I am almost sure that this is duplicate
of bug 211525.
If it is different problem, please reopen the bug and attach syslog with OOps
information, thanks.


*** This bug has been marked as a duplicate of 211525 ***