netdev - Re: [Bugme-new] [Bug 12515] New: possible circular locking #0: (sk_lock-AF_PACKET){--..}, at: [<c1279838>] sock

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Date:	Tue, 27 Jan 2009 13:43:42 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	netdev@...r.kernel.org
Cc:	bugme-daemon@...zilla.kernel.org, mmokrejs@...osome.natur.cuni.cz,
	Vegard Nossum <vegard.nossum@...il.com>
Subject: Re: [Bugme-new] [Bug 12515] New: possible circular locking #0:
 (sk_lock-AF_PACKET){--..}, at: [<c1279838>] sock_setsockopt+0x12b/0x4a4


(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Tue, 20 Jan 2009 10:16:38 -0800 (PST)
bugme-daemon@...zilla.kernel.org wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=12515
> 
>            Summary: possible circular locking #0:  (sk_lock-AF_PACKET){--
>                     ..}, at: [<c1279838>] sock_setsockopt+0x12b/0x4a4
>            Product: Networking
>            Version: 2.5
>      KernelVersion: 2.6.29-rc1-git4
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: IPV4
>         AssignedTo: shemminger@...ux-foundation.org
>         ReportedBy: mmokrejs@...osome.natur.cuni.cz
> 
> 
> Latest working kernel version:
> Earliest failing kernel version:
> Distribution: Gentoo Linux
> Hardware Environment: ASUS L3C/S laptop
> Software Environment:
> Problem Description:
> 
> Steps to reproduce: I have been reinstalling some apps while started tcpdump.
> It immediately hit the bug.
> 

More info at the link.  Vegard did some analysis, had a shot at fixing
it, but it seems that he missed.

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