linux-kernel - Re: 3.0.60: general protection fault: 0000, Fixing recursive fault but reboot is needed

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Message-ID: <20130415100512.GS28496@pcnci.linuxbox.cz>
Date:	Mon, 15 Apr 2013 12:05:12 +0200
From:	Nikola Ciprich <nikola.ciprich@...uxbox.cz>
To:	Mike Galbraith <bitbucket@...ine.de>
Cc:	linux-kernel mlist <linux-kernel@...r.kernel.org>,
	linux-stable mlist <stable@...nel.org>,
	Nikola Ciprich <nikola.ciprich@...uxbox.cz>
Subject: Re: 3.0.60: general protection fault: 0000, Fixing recursive fault
 but reboot is needed

Hi Mike,

> Feeding that to scripts/decodecode
thanks, didn't know about that!

.
.
.
.
> 
> That's here in dup_fd():
>         for (i = open_files; i != 0; i--) {
>                 struct file *f = *old_fds++;
>                 if (f) {
>                         get_file(f);
> 
> It's doing that get_file(), grabbing a reference to all open files in a
> loop, but old_fds points off into lala land, so I'd say you must have
> memory corruption, and open_files is garbage.  Seeing "One of our
> servers..", operative word being "one", I'd tend to suspect heat or such
> given the box exploded in this extremely heavily exercised spot.

yes, that could be. I'll have this box checked, including memtest etc.

thanks a lot for Your time!

nik


> 
> -Mike
> 

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