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Re: [linux-lvm] strange behavior with 1.0.5 on Linux 2.4.19?



On Tue, 2002-10-29 at 01:10, Heinz J . Mauelshagen wrote:
> 
> Gregory,
> 
> as Jon already thought, this seems to be a flaw in the VM subsystem.
> 
> The ksymoops you provided shows that, because it fails in vmalloc when
> lvm_snapshot_alloc_hash_table() tries to allocated virtual memory for the
> copy-on-write exeception table it needs to track the changes which happen
> to the original logical volume.
> 
> Is there any chance to prove that by running the system with less than 2GB
> of memory and _without_ high memory support for a test run?
> 
> Regards,
> Heinz    -- The LVM Guy --

Actually, yes, I can run this on several other smaller-memory systems. 
I've got a machine I've been working on setting up that's 2GB exactly,
and several others running 2.4.19 & LVM 1.0.5 with less than 1GB of
ram.  However, I've not had any of these systems produce errors like
these.  I can run the 2GB system with and without high memory support
and try to induce a similar failure.

Are there any specific tests you'd like me to run on this other system,
in case I can't induce an Oops on it?

Thanks,

Gregory

-- 
Gregory K. Ade <gkade bigbrother net>
http://bigbrother.net/~gkade
OpenPGP Key ID: EAF4844B  keyserver: pgpkeys.mit.edu

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