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From: William Lee Irwin III <wli@holomorphy.com>
To: Ingo Molnar <mingo@elte.hu>, Russell King <rmk@arm.linux.org.uk>,
	linux-kernel@vger.kernel.org,
	Linus Torvalds <torvalds@transmeta.com>
Subject: Re: [patch] Re: Serial Oopsen caused by global IRQ chanes
Date: Sat, 27 Jul 2002 16:01:50 -0700	[thread overview]
Message-ID: <20020727230150.GP25038@holomorphy.com> (raw)
In-Reply-To: <20020727223617.GO25038@holomorphy.com>

On Sat, Jul 27, 2002 at 08:43:04PM +0200, Ingo Molnar wrote:
>> the attached patch fixes a synchronize_irq() bug: if the interrupt is 
>> freed while an IRQ handler is running (irq state is IRQ_INPROGRESS) then 

On Sat, Jul 27, 2002 at 03:36:17PM -0700, William Lee Irwin III wrote:
> I'm having trouble with this one, I seem to get lots of these messages:
> pu: 12, clocks: 99983, slice: 3029
> CPU12<T0:99968,T1:60576,D:15,S:3029,C:99983>
> CPU 12 IS NOW UP!

Sorry, this is the hotplug stuff which surprised me, but is unrelated
to any deadlock (unless it's printk'ing at a bad time, which I doubt).
Thought it was an arch complaint about trying to wake already-woken cpus.

On Sat, Jul 27, 2002 at 03:36:17PM -0700, William Lee Irwin III wrote:
> ... and then the kernel deadlocks after free_initmem()'s printk().

Seems to be timing related, printk's in init/main.c made it go away.
ISTR hearing something about hotplug merge troubles, I'll investigate
that thread and report results with the fixes posted there.

Cheers,
Bill

  reply	other threads:[~2002-07-27 22:58 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-07-27 18:11 Serial Oopsen caused by global IRQ chanes Russell King
2002-07-27 18:19 ` Russell King
2002-07-27 18:21   ` Ingo Molnar
2002-07-27 18:43 ` [patch] " Ingo Molnar
2002-07-27 22:36   ` William Lee Irwin III
2002-07-27 23:01     ` William Lee Irwin III [this message]
2002-07-27 23:27       ` William Lee Irwin III

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