[PATCH makedumpfile v2 0/4] LZO Compression Support

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Hello,

From: Bouchard Louis <louis.bouchard@xxxxxxxxxxxxx>
Subject: Re: [PATCH makedumpfile v2 0/4] LZO Compression Support
Date: Wed, 28 Mar 2012 09:59:04 +0200

> Hello,
> 
> Le 28/03/2012 09:50, HATAYAMA Daisuke a ?crit :
>> 
>> Yes, I of course agree with the fact that makedumpfile for kdump 2nd
>> kernel should always be built in statically linked way.
>> 
>> But I think two problems are different, that is, the problem making
>> users easily able to choose build option by autotools, and the problem
>> guranteeing that the makedumpfile for kdump 2nd kernel be built always
>> statically.
>> 
> 
> I don't see why it should be statically linked. Debian & Ubuntu both use
> a dynamically linked makedumpfile for the 2nd kdump kernel.
> 
> Debian executes makedumpfile on the 'real' root FS while Ubuntu runs it
> in the initramfs. It is simply a chroot on the root FS being mounted on
> /root.
> 

Thanks. I've noticed the fact on Debian for the first time.

Root filesystem can be broken due to filesystem related bugs or disk
crash. So, on fedora/RHEL environments, root filesystem is not mounted
in kdump initrd/initramfs. Necessary resources in 2nd kernel,
including makedumpfile, are all packed in kdump initrd/initramfs.

Thanks.
HATAYAMA, Daisuke




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