netdev - Re: netconsole still hangs

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Message-Id: <20080312161637.b082b515.akpm@linux-foundation.org>
Date:	Wed, 12 Mar 2008 16:16:37 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	shemminger@...ux-foundation.org, netdev@...r.kernel.org,
	rjw@...k.pl
Subject: Re: netconsole still hangs

On Wed, 12 Mar 2008 16:14:29 -0700
Andrew Morton <akpm@...ux-foundation.org> wrote:

> 
> I thought the recent reverts fixed this, but it seems that it's just become
> a little harder to hit.
> 
> I'm seeing netconsole hangs on two x86_64 systems (2-way t61p laptop, 8-way
> server).  Both use e1000.
> 
> With current mainline on the 8-way, create a printk storm with
> 
> while true
> do
> 	echo t > /proc/sysrq-trigger
> done
> 
> and the machine goes tits-up after about five seconds.
> 

whoops, hang on, it's still running.  For some reason the receiving machine
went super-slow after it had received a lot of data.

I'll retest on the t61p this evening, see why it is freezing.
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