[Xen-devel] Re: Unknown HZ value (26) Assume 100

[Hans Lampl <Hans.Lampl@xxxxxxxxxxx>]

Paul Dorman <pauld <at> cwa.co.nz> writes:

> 
> Hi again,
> 
> this is the error I'm seeing when certain processes start, like MySQL, top, 
> uptime etc. This is with a virtualised Debian Woody machine - my first 
> migration! Anyone else seen this?
> 
> Strace on uptime gives these lines around the offending error:
> 
> open("/proc/uptime", O_RDONLY)        =3
> lseek(3, 0, SEEK_SET)                 =0
> read(3, "386.05 69.99\n", 1023)       =13
> open("/proc/stat", O_RDONLY)          =4
> lseek(4, 0, SEEK_SET)                 =0
> read(4, "cpu  466 1 247 2965 4034 0 0\ncpu"..., 1023) = 667
> lseek(3, 0, SEEK_SET)
> read(3, "386.05 69.99\n", 1023)       =13
> write(2, "Unknown HZ value! (9) Assume 100"..., 34Unknown HZ value! (9) 
> Assume 
> 100.
> ) = 34
> time([1096593369])
> 
> Cheers,
> Paul
> 

Hi Paul,

I got the same message with one of my virtualized machines running Woody on a
kernel 2.6.11. After installing the package "psutils" the message disappeared.

Hope that helps ...

Cheers,
Hans 




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