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Re: infinite spin in RT when booting with DHCP on

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On Fri, 2012-02-03 at 18:25 +0100, Hector Palacios wrote:

> > I would definitely push this towards mainline. Can you apply it to the
> > -rt patch too. I bet you it fixes it there too.
> 
> I forgot to say it. Yes, it fixes it in -rt as well.

Great to hear! Tim, can you test this patch out too?

> 
> > I wont add it unless it either goes into mainline, or Thomas takes it
> > into the 3.2-rt release. That's the stable-rt rule.
> 
> There doesn't seem to be a maintainer for this driver... should I take the action of 
> posting this to the mainline kernel list?

I would send a note to LKML asking why this hasn't been included in
mainline, and Cc the following:

Frank Li <Frank.Li@xxxxxxxxxxxxx>
Zeng Zhaoming <b32542@xxxxxxxxxxxxx>
David S. Miller <davem@xxxxxxxxxxxxx>

And perhaps:

Shawn Guo <shawn.guo@xxxxxxxxxx>
Xiao Jiang <jgq516@xxxxxxxxx>

As they have done some work on the fec driver recently.

You can also Cc myself, Thomas, Tim and Uwe.

Note that you see that this causes a hang in the system if ksoftirqd is
a real time task. Not to mention, that ksoftirqd spins in an infinite
loop if the cable isn't connected (regardless of ksoftirqd's priority).

-- Steve


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