Re: [dm-devel] 2 TB wraparound on snapshots on kernels < 2.6.33

[Mikulas Patocka <mpatocka redhat com>]

On Tue, 15 Jun 2010, Phillip Susi wrote:

> After further testing of mainline kernels, it seems that the bug was
> fixed between 2.6.32 and 2.6.33.  Looking over the logs, I see no
> changes that were intended to fix this issue, but there were quite a
> number of changes to the snapshot code.  I can only conclude that these
> inadvertently fixed the problem.

Hi

I wasn't able to reproduce this bug on any upstream kernel and I suspect 
it is caused by incorrect patching on Ubuntu side. Ubuntu kernels 
2.6.31-16 and before don't have the bug, 2.6.31-17 and above have it.

Mikulas