linux-kernel - Re: how can I touch softlockup watchdog on all cpus?

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Date:	Thu, 22 Mar 2007 11:30:18 -0400
From:	"Lee Revell" <rlrevell@...-job.com>
To:	"Cestonaro, Thilo (external)" 
	<Thilo.Cestonaro.external@...itsu-siemens.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: how can I touch softlockup watchdog on all cpus?

On 3/22/07, Cestonaro, Thilo (external)
<Thilo.Cestonaro.external@...itsu-siemens.com> wrote:
> > You didn't explain _why_ you need to sleep for such a long time,
> > and as you didn't give a pointer to your code, there's not
> > much people can do to recommend changes other than "don't do that".
>
> The code which is executed between the local_irq_disable and enable,
> is just a function call into our companies bios (e.g. for updating itself)
> and the long time is just 15 sec. while the bios has full control and OS is halted.
> So I can't change anything at this point, but I need to fetch the watchdog,
> cause it is not so nice, if there is a big BUG output on console while the
> computer updates it's bios, very trustworthy isn't it :).

Just disable the softlockup watchdog.

Lee
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