Re: unmount oops in log_do_checkpoint

From: Nick Piggin
Date: Tue Jan 17 2006 - 06:35:55 EST


On Mon, Jan 16, 2006 at 10:22:50PM +0100, Jan Kara wrote:
> > 2.6.15-git12 (and 11, not sure when it started) oops when unmounting
> > an ext3 filesystem. Looks like 'transaction' in log_do_checkpoint is
> > garbage.
> >

[oops]

> It would be useful to find out which patch cause it (by git bisect)
> but one obvious suspect is my merged ext3 patch to checkpoint.c. I'll
> investigate tomorrow.
>

Yep, reverting jbd split checkpoint lists in -git12 fixes it. It is
100% reproducible so far, and every time rebooting with a patched
kernel fails to result in the oops.

Nick

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