linux-kernel - Re: 2.6.21.5-rt17 on lenovo t61, some BUG's (lukewarm IQ?)

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Message-ID: <20070630192403.GE3720@elte.hu>
Date:	Sat, 30 Jun 2007 21:24:03 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: 2.6.21.5-rt17 on lenovo t61, some BUG's (lukewarm IQ?)


* Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU> wrote:

> Hi Ingo, this is happening in a brand new laptop, a Lenovo t61 with a 
> 7700 processor and the Santa Rosa chipset.
> 
> Lukewarm IQ detected in hotplug locking
> BUG: at kernel/cpu.c:44 lock_cpu_hotplug()

hm, that's an upstream kernel message. Cpu-hotplug locking is ... a bit 
messy still. Does it otherwise work? (it should only affect sw-suspend 
on SMP)

> [BTW, I tried to unsuccessfully boot rt18 today in one of my CCRMA 
> machines but the boot hung when trying to start the acpi daemon - this 
> was on FC6, I'll try to find out more tomorrow. We are seeing some 
> hungs with rt17 that I have not tried to diagnose yet]

do you still see this?

	Ingo
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