linux-kernel - Re: [BUG] 2.6.19-rc1-mm1: fs/file.c138 on ia64

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Date:	Tue, 10 Oct 2006 18:15:53 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Bryce Harrington <bryce@...l.org>
Cc:	Pavel Machek <pavel@....cz>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] 2.6.19-rc1-mm1:  fs/file.c138 on ia64

On Tue, 10 Oct 2006 18:08:26 -0700
Bryce Harrington <bryce@...l.org> wrote:

> On Sun, Oct 08, 2006 at 09:14:47PM +0200, Pavel Machek wrote:
> > On Sun 2006-10-08 20:29:41, Heiko Carstens wrote:
> > > > > > We've been running this testsuite fairly continuously for several
> > > > > > months, and irregularly for about a year before that.  We find that on
> > > > > > some platforms like PPC64 it's quite robust, and on others there are
> > > > > > issues, but the developers tend to be quick to provide fixes as the
> > > > > > issues are found.  I'm glad to see that the results are finally showing
> > > > > > green for ia64.
> 
> Spoke too soon.  ;-)
> 
> We've noticed a new ia64 issue on the 2.6.19-rc1-mm1 kernel.  It has not
> occurred on other 2.6.19 kernels we've tested.  We aslo encountered this
> BUG only on ia64; the x86 and x86_64 systems booted without issue.
> Apologies if this is already known; I didn't spot it in the list
> archives.
> 
> I have hotplug-cpu configured for this machine, however I don't know if
> it has anything to do with this BUG.  I can test with it turned of if
> it'd help.
> 
> The line referred to in the output is in copy_fdtable():
>         BUG_ON(nfdt->max_fds < ofdt->max_fds);
> 
> 
> http://crucible.osdl.org/runs/2511/sysinfo/ita01.console.log
> 
> Freeing unused kernel memory: 1840kB freed
> kernel BUG at fs/file.c:138!

Was that with
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc1/2.6.19-rc1-mm1/hot-fixes
applied?
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