From: Andi Kleen <ak@suse.de>
To: "David S. Miller" <davem@davemloft.net>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu
Subject: Re: softlockup interaction with slow consoles
Date: Tue, 21 Feb 2006 21:05:37 +0100 [thread overview]
Message-ID: <200602212105.38075.ak@suse.de> (raw)
In-Reply-To: <20060221.120143.15763934.davem@davemloft.net>
On Tuesday 21 February 2006 21:01, David S. Miller wrote:
> From: Andi Kleen <ak@suse.de>
> Date: 21 Feb 2006 14:49:49 +0100
>
> > Still you could probably see problems with very slow consoles even
> > after bootup, couldn't you?
>
> Yes, others have mentioned this too, good point.
>
> Depending upon what we're really trying to achieve with the
> softlockup stuff, we can perhaps look into increasing the
> timeout or making it configurable. We could even do this
> dynamically, so when we register a serial console running
> at some low baud rate, we scale up the softlockup timeout
> or something like that.
The classic way is to just use touch_nmi_watchdog() somewhere
in the loop that does work. That touches the softwatchdog too
these days.
-Andi
next prev parent reply other threads:[~2006-02-21 20:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-20 21:18 softlockup interaction with slow consoles David S. Miller
2006-02-21 9:09 ` Ingo Molnar
2006-02-21 9:16 ` David S. Miller
2006-02-21 13:49 ` Andi Kleen
2006-02-21 20:01 ` David S. Miller
2006-02-21 20:05 ` Andi Kleen [this message]
2006-02-21 20:19 ` David S. Miller
2006-02-21 20:27 ` Dave Jones
2006-02-21 20:50 ` David S. Miller
2006-02-21 20:43 ` Andi Kleen
2006-02-21 19:23 ` Matt Mackall
2006-02-21 19:58 ` David S. Miller
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