netdev - Re: BUG: soft lockup detected on CPU#0! (2.6.18.2 plus hacks)

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Message-ID: <20070110125048.GB2611@ff.dom.local>
Date:	Wed, 10 Jan 2007 13:50:48 +0100
From:	Jarek Poplawski <jarkao2@...pl>
To:	Stephen Hemminger <shemminger@...l.org>
Cc:	Ben Greear <greearb@...delatech.com>,
	David Miller <davem@...emloft.net>,
	herbert@...dor.apana.org.au, dlstevens@...ibm.com,
	netdev@...r.kernel.org
Subject: Re: BUG: soft lockup detected on CPU#0! (2.6.18.2 plus hacks)

On Wed, Jan 10, 2007 at 10:04:11AM +0100, Jarek Poplawski wrote:
...
> It looks like you're talking about the right thing
> and I'm a fool again! Now I try to find why I even 
> had to pay for this. I read again and again adequate
> chapters from R. Love and C. Benvenuti's books, see
> a lot about kernel preemption in 2.6, but can't see
> anything about preemption disabled in ioctls - maybe
> I'm blind or they are badly translated. Now I look
> into "Linux Device Drivers", see ch. 6 about ioctls,
> blocking I/O and RCU, but nothing about preemption
> disabled again. Maybe this is omited because it's
> obvious to people who started hacking with earlier
> kernels?

... or maybe it's even more complicated...

For the time being, I revoke my critique of these books.

Jarek P. 
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