Re: 2.4.0 kernel paging error

[Philipp Rumpf]

On Wed, Jan 10, 2001 at 05:55:05PM +0100, Daniel Phillips wrote:
> Mark Hindley wrote:
> > I am running 2.4.0 final. I got the following failed paging request which
> > produced a complete freeze.
> > 
> > As you can see it was precipitated by cron starting to run some
> > housekeeping stuff overnight.
> > 
> > Has anyone else had prblems?
> 
> It looks real.  It was executing this line of clear_inode in fs/inode.c:
> 
> 380         if (inode->i_sb && inode->i_sb->s_op && inode->i_sb->s_op->clear_inode)
>                                                                      ^^^^^^^^^^^^^
>                                            and it blew up here ----->

> Unable to handle kernel paging request at virtual address c4870840

I'm pretty sure this is a vmalloc/module address, which would mean ->s_op
points to a module that has been unloaded.  This sounds consistent with the
"cron starting to run some housekeeping stuff" above.

Mark, which file systems are you using ?