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From: David Woodhouse <dwmw2@infradead.org>
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Subject: Re: Disk blocks for long periods 
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Date: Mon, 05 Aug 2002 15:42:53 +0100
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joakim.tjernlund@lumentis.se said:
> > SysRq-T should work on PPC. It's mostly generic code. What's wrong
> > with it? 

> Maybe I spoke too soon, but I can not make sense of it:

That's because you're using 2.4.2. A newer kernel would print the relevant 
call trace from the kernel stack too, and we'd be able to see what kernel 
function(s) it's sleeping in.

--
dwmw2