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Bug 55887 - device-mapper (dm-mod) in kernel causes lvm2 tools to segfault
Summary: device-mapper (dm-mod) in kernel causes lvm2 tools to segfault
Status: VERIFIED WORKSFORME
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: PPC64 Linux
: High normal (vote)
Assignee: ppc64 architecture team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: 55890
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Reported: 2004-07-02 08:03 UTC by Steve Hémond
Modified: 2004-07-13 20:21 UTC (History)
0 users

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Runtime testing required: ---

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Description Steve Hémond 2004-07-02 08:03:51 UTC 
With dm-mod compiled in kernel, lvm2 tools (vgscan and vgcreate in my case) causes segmentation faults.

* Note that when using dm-mod as a module, it works smoothly.


Reproducible: Always
Steps to Reproduce:
1. Compile dm-mod in kernel (device mapper)
2. Emerge lvm2
3. Run vgscan

Actual Results:  
Segmentation Fault

Expected Results:  
vgscan should returns volume groups found.
vgcreate should create a volume group.
Comment 1 Philippe Trottier (RETIRED) gentoo-dev 2004-07-07 02:48:49 UTC 
I am using kernel-2.6.6-r0 and gentoo-dev-source-2.6.7 lvm compiled in and there is no segfault... could you specifiy kernel version used ? and profile used ? I use 2004.2
Comment 2 Philippe Trottier (RETIRED) gentoo-dev 2004-07-12 11:54:48 UTC 
Works for me tried 2 kernels one with modules and one with Device mapper compiled in... both works great...
Comment 3 Philippe Trottier (RETIRED) gentoo-dev 2004-07-12 11:58:43 UTC 
Seen on 2004.1 and not on 2004.2

Kick it !