Re: 2.6.25-rc2-mm1 - boot hangs on ia64

From: Andrew Morton
Date: Thu Feb 28 2008 - 13:15:39 EST


On Thu, 28 Feb 2008 12:50:41 +0100 Ingo Molnar <mingo@xxxxxxx> wrote:

> @@ -1000,7 +1001,7 @@ void release_console_sem(void)
> * If we try to wake up klogd while printing with the runqueue lock
> * held, this will deadlock.
> */
> - if (wake_klogd && !runqueue_is_locked())
> + if (wake_klogd)
> wake_up_klogd();
> }

I don't think we shoudl have added that hack in the first place. It solves a
problem which about three developers hit four times in five years but it
has made kernel logging less reliable for everyone.

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