linux-kernel - Re: Strange delays / what usually happens every 10 min?

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Date:	Tue, 13 Nov 2007 18:58:35 +0100
From:	Florian Boelstler <kernel@...lstler.net>
To:	linux-kernel@...r.kernel.org
Subject:  Re: Strange delays / what usually happens every 10 min?

Hi Clemens,

Clemens Koller wrote:
>  > This is precisely the sort of thing that BIOS/firmware-level SMI
>  > handlers do, particularly those that have monitoring or management
>  > features.  Try to determine if the kernel is doing anything during this
>  > time.  If the entire kernel seems to be frozen, talk to the people who
>  > wrote the firmware.
> 
> There is no such thing as BIOS on this MPC8540 embedded system.
> I guess he is also using some bootloader which just gives full
> control to the linux kernel.

Correct, it's the U-Boot boot loader.

> Florian:
> Check the IP route chache flushes, as Eric mentioned.
> I'm working on the MPC854x as well. If you send me your scripts,
> I can give them a run here to gather more information.
> (I'm about to update my kernels here)

Thanks, the rhash_entries argument seems to have cured the problem.

Cheers,

   Florian

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