Re: problem with Andrew's patch ext3

Andrew Morton (akpm@digeo.com)
Sun, 15 Dec 2002 10:21:09 -0800


Octave wrote:
>
> Hello Andrew,
>
> I patched 2.4.20 with your patch found out on http://lwn.net/Articles/17447/
> and I have a big problem with:
> once server is booted on 2.4.20 with your patch, when I want to reboot
> with /sbin/reboot, server makes a Segmentation fault and it crashs.

It works OK here. Could you please check that the kernel was fully
rebuilt? Do a `make clean'? If the kernel was not fully rebuilt
then things will go wrong because a structure size was changed.

There is a locking error in that patch, and it needs revision. But
that wouldn't explain this crash.

And there is an unrelated use-after-free bug which could cause problems
if the fs runs out of space or inodes.

I'll get some fixes out later today. It hasn't been a good week.
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