On Tue, 2007-08-28 at 20:45 +0530, Satyam Sharma wrote:
> Hi Paul,
>
>
> On Tue, 28 Aug 2007, Paul Albrecht wrote:
>
> > Hi,
> >
> > I have recently upgraded my kernel to 2.6.21 from 2.6.20 and that has
> > caused a problem mounting an encrypted partition using dm-crypt.
> >
> > In my init script, I use cryptsetup to create device which I use to
> > mount an encrypted partition. Since I changed to 2.6.21 the mount fails
> > returning an EINVAL status which doesn't make much sense because the
> > init script is unchanged and works if reverted to 2.6.20.
> >
> > Any ideas? How can I debug this problem? I'm not subscribed to lkml so
> > please cc in your response.
>
> What was the error you got from cryptsetup()? Also, please post the
> kernel's dmesg log and the .config of the 2.6.21 kernel (new one).
>
> Also, compare the .config's of the two kernels and ensure that
> CONFIG_DM_CRYPT (or possibly one of the _CRYPTO_ config options)
> didn't get lost or automatically unset during the upgrade/oldconfig.
>
Found the problem ... the pass phrase used in cryptsetup is incorrect
for the partition I want to decrypt. Not sure why that is because I
compute it at runtime. One of the parameters I use must have changed
from 2.6.20 to 2.6.21. I'll have to sort that out myself. Thanks
anyways!
Paul Albrecht
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