Bug#442187: linux-image-2.6.22-2-686: 2.6.22-2-686 fails to discover lvm logical volumes; 2.6.22-1-686 works ok
tags 442187 moreinfo
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On Fri, Sep 14, 2007 at 12:32:35AM +0200, Tomasz Melcer wrote:
>
> linux-image-2.6.22-2-686 fails to discover (and therefore mount) logical
> volumes of lvm2 storage. I have got root filesystem inside lvm,
> therefore I cannot boot into system using that kernel. The last screen
> of logs contains:
>
> #v+
> VFS: Cannot open root device "mapper/vg-root" or unknown-block(0,0)
> Please append a correct "root=" boot option; here are the available partitions:
> Kernel panic - not syncing: VFS: Unable to mount fs on unknown-block(0,0)
> #v-
>
> The rest of the screen is filled with data about keyboards, mices...;
> nothing related to harddrive/ata driver. Besides, I cannot see earlier
> messages (well, panic is panic).
>
> linux-image-2.6.22-1-686 works correctly, I am able to mount root fs and
> proceed with system boot.
>
> I don't know how to provide further information. If there is any method
> (excluding making root fs outside lvm, i cannot do that on this machine),
> i can try to provide more data.
you'd have to provide more data or your report is useless,
as i can't reproduce it here, for the intersting parts see
-> http://wiki.debian.org/InitramfsDebug
what happens if you manually run from the rescue console:
vgchange -a y
--
maks
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