linux-kernel - Re: Linux 2.6.26-rc4

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Date:	Wed, 28 May 2008 22:17:57 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Alejandro Riveira Fernández 
	<ariveira@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-wireless@...r.kernel.org,
	John Linville <linville@...driver.com>
Subject: Re: Linux 2.6.26-rc4


> >  4) if i try to run some sudo command it gets stuck (Crtl +C doesnt' help)
> >     "ip route" gets stuck too. User programs i tried wrok fine (only ls and
> >     htop). Network realted problem?
> 
> I assume it's related to the oops above - the oops probably happened while 
> holding some mutex or other lock, which is why network-related stuff then 
> blocks on that lock (which will never be released, since the oops killed 
> the process that held it).

rtnl, in fact, I suspect.

> I suspect the oops is also why the bootup breaks, so it's likely all the 
> same issue. Please save the dmesg into a file, reboot into a working 
> setup, and send that. Along with hw information (it's likely related to 
> your network device driver, since I've not seen an uproar of these kinds 
> of problems from everybody else..).

Actually, please apply the patch "rt2x00: Use atomic interface
iteration in irq context" before trying anything more, that'll fix it.
I'm not sure where Linville is hiding ;)

(http://article.gmane.org/gmane.linux.kernel.wireless.general/15268)

johannes

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