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Date: Sat, 20 Feb 2010 21:44:47 +0800 From: Américo Wang <xiyou.wangcong@...il.com> To: Johannes Berg <johannes@...solutions.net> Cc: Américo Wang <xiyou.wangcong@...il.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org> Subject: Re: [2.6.33-rc5] Weird deadlock when shutting down On Sat, Feb 20, 2010 at 12:28:51PM +0100, Johannes Berg wrote: >On Sat, 2010-02-20 at 17:06 +0800, Américo Wang wrote: >> On Sat, Feb 20, 2010 at 4:56 PM, Johannes Berg >> <johannes@...solutions.net> wrote: >> > On Sat, 2010-02-20 at 15:13 +0800, Américo Wang wrote: >> > >> >> Does my following untested patch help? >> > >> > Sorry, no. I'll hook up a screen to the box after I return from the >> > fresh market. >> > >> >> Are you sure there is no difference? :-/ > >It deadlocks after > >Disabling non-boot CPUs ... > >Not sure if that counts as a difference... > I am not sure neither... That message is displayed before shutting down the devices. To verify, you can add some printk() in the end of __cpufreq_remove_dev(), or enable CONFIG_CPU_FREQ_DEBUG. Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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