Re: 2.4.9 kernel crash

Andrew Morton (akpm@zip.com.au)
Fri, 30 Nov 2001 12:16:05 -0800

Steffen Persvold wrote:
>
> Hi all,
>
> This just happened to my RedHat 7.2 box running the 2.4.9-13 update kernel from RedHat. The box is
> running as a NFS server, exporting two ext3 volumes (one 36GB and one 73GB) :
>
> VFS: Busy inodes after unmount. Self-destruct in 5 seconds. Have a nice day...

There was a bug in ext3 which was fixed around about the 2.4.9
timeframe. I don't know if the fix is present in that
particular Red Hat kernel. It was fixed in ext3 0.9.8. The
ext3 version number is displayed when you mount a filesystem.

The 0.9.8 changelog says:

- Fix an NFS oops when doing a local delete on an active, nfs-exported
file.

I never observed this bug - I think the fix came from Ted T'so. I
do not know whether the bug manifested itself as "busy inodes
after unmount". Perhaps Ted or Stephen can comment?
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