linux-kernel - Re: [ANNOUNCE] 3.0.14-rt31

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Date:	Thu, 12 Jan 2012 08:54:44 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Tim Sander <tim.sander@....com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Clark Williams <williams@...hat.com>,
	John Kacur <jkacur@...hat.com>
Subject: Re: [ANNOUNCE] 3.0.14-rt31

On Thu, 2012-01-12 at 11:18 +0100, Tim Sander wrote:
> Hi Steven
> 
> I have just tested 3.0.14 with some local adaptions. Unfortunatly there we 
> have still two errors here:
> Reboot ( of upstart) fails sometimes fails with the following message:
> "reboot: Unable to execute shutdown: Bad address"

What's the bad address? Was there a kernel oops?

> This problem can probably easily worked around by catching a failed execution 
> and retry, but i am afraid that execution fails more often in other places and 
> leads to silent functionality failures.
> 
> and the running wild ksoftirqd0 most probably after the kernel message:
> "sched: RT throttling activated"

Hmm, that's not good. It means that an RT task is spinning too much.

> It also seems as if the system looks up after running ifconfig. But it seems as 
> if the error only shows up most of the times if i am not around.

s/looks/locks/ ?

If it happens after ifconfig, then obviously that looks to be something
to do with either the network driver or the network stack.

But there's really nothing I can do to look into this without more
information.

-- Steve


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