In message <[email protected]>, Paul Albrecht writes:
> On Wed, 2007-11-07 at 19:53 +0000, Denys Vlasenko wrote:
> > On Tuesday 06 November 2007 22:01, Paul Albrecht wrote:
> > > Hi,
> > >
> > > Whenever I use readahead-list on a union mounted file system I get a
> > > segfault and kernel oops so I'm wondering whether or not the linux
> > > unionfs supports sys_readahead.
> > >
> > > Anyone know? I'm not usually subscribed to the lkml so please cc me in
> > > your response. Thanks.
> >
> > Please show actual oops output.
> >
> > Also: what kernel version do you use? any extra patch(es) applied? .config?
>
> I'm using a stock generic kernel that's shipped with ubuntu. Here's my
> dmesg output containing two oops. The first occurs during boot and the
> second happens whenever I run readahead-list from the command line
> against a file list containing an entry in a union mounted filesystem:
[...]
> [ 25.551441] Registering unionfs 1.4
The problem appears most likely because this version of Ubuntu is still
using the very old Unionfs 1.x. I wasn't able to reproduce the bug with the
latest Unionfs 2.x. I'm in touch with the Ubuntu guys to try and help them
move to 2.x.
Cheers,
Erez.
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