Re: [Sks-devel] keyserver.nausch.org died once again :( - PTree may be corrupted

[Kristian Fiskerstrand]

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On 16.03.2012 18:34, Christian Felsing wrote:
> Hi,
> 

Hi Christian

> same problem here.
> 

...

> 
>> Anyhow, I'd check /sys/devices/system/clocksource/clocksource0/
>> where I'd expect to see the files (i) available_clocksource, and
>> (ii) current_clocksource.
> 
> # cat
> /sys/devices/system/clocksource/clocksource0/available_clocksource 
> kvm-clock tsc hpet acpi_pm
> 
> # cat
> /sys/devices/system/clocksource/clocksource0/current_clocksource 
> kvm-clock

Obviously I'm not familiar with the nature of this system, most
notably, whether this is a generic production system or an isolated
system for sks that you can play around with a bit more. The latter
would suggest that you could try changing the clocksource to see if
that helps with the stability.

You can change the clocksource by setting the clocksource= kernel
option in your respective GRUB/LILO* setup, e.g. "clocksource=tsc" ** .

*  For grub it'd probably be in /boot/grub/menu.lst

** Please note that tsc in itself can be somewhat unstable e.g. if you
have CPU frequency scaling or similar, but it should have a watchdog
to monitor for that. I'm using it here as an example, without having
any specific recommendation for your individual system.


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Kristian Fiskerstrand
http://www.sumptuouscapital.com
Twitter: @krifisk
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Corruptissima re publica plurimæ leges
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