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Re: kern/42228: Kernel deadlock prevents further file system access
The following reply was made to PR kern/42228; it has been noted by GNATS.
From: Matthias Scheler <tron%zhadum.org.uk@localhost>
Subject: Re: kern/42228: Kernel deadlock prevents further file system access
Date: Sun, 25 Oct 2009 13:59:59 +0000
On Sun, Oct 25, 2009 at 01:55:02PM +0000, Manuel Bouyer wrote:
> > The function after "namei" differs from case to case. Examples are
> > vn_open() or do_sys_stat().
> this looks a lot like the ffs VOP_RENAME race issue.
Is there a patch available which I can try out? And I don't understand
why that would happen frequently on one of my 24/7 NetBSD 5.0_STABLE
systems but not on the other, they both use FFS. Is it e.g. more likely
to happen on systems with multiple CPU cores?
Matthias Scheler http://zhadum.org.uk/
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