linux-kernel - Re: suspend/idle hanging

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Message-ID: <20080713125403.GA15331@ucw.cz>
Date:	Sun, 13 Jul 2008 14:54:03 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Luke -Jr <luke@...hjr.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: suspend/idle hanging

On Fri 2008-07-11 23:51:32, Luke -Jr wrote:
> I finally got Linux and BusyBox booting on my board, but I've encountered a 
> fairly odd problem... any task that sleeps just goes dead entirely, never 
> resuming. If I enable networking support, this seems to happen before init is 
> even spawned (in this case, inside cpu_idle() according to remote gdb).
> 
> I'm guessing interrupts aren't firing for some reason, but does anyone else 
> have any ideas? Maybe this is more obvious/common than I'm guessing.

Try irqpoll? nohz=off?
							Pavel
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