Crazy time behaviour on IBM Thinkcentre system.

[John Kirkland]

John Macallister wrote:
> The 686 kernel made no difference. The time still goes crazy.
> 
> Anyone know of a solution to this? Or how to obtain an older kernel?
> 
> John
> 
> Name: John B. Macallister  E-mail: j.macallister1 at physics.ox.ac.uk
> Post: Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK
> Phone: +44-1865-273388 (direct)  272200 (reception)  272400 (Fax)
> 
> 
> _____________________________________________
> *From:  * John Macallister 
> *Sent:  * 18 July 2006 10:57
> *To:    * 'ubuntu-users at lists.ubuntu.com'
> *Subject:       * RE: Crazy time behaviour on IBM Thinkcentre system.
> 
> Just after sending this message I realised that I should perhaps try the 
> 686 kernel which I'm downloading right now …
> 
> Cheers,
> 
>  John
> 
> 
> 
> Name: John B. Macallister  E-mail: j.macallister1 at physics.ox.ac.uk
> Post: Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK
> Phone: +44-1865-273388 (direct)  272200 (reception)  272400 (Fax)
> 
> 
> _____________________________________________
> *From:  * John Macallister 
> *Sent:  * 18 July 2006 10:53
> *To:    * 'ubuntu-users at lists.ubuntu.com'
> *Subject:       * Crazy time behaviour on IBM Thinkcentre system.
> 
> I've installed UBUNTU ( kernel 2.6.15-26-386 ) on an IBM Thinkcetre 
> system (Intel P4 2.66GHz). After some time the system clock slows down 
> and effectively stops settling down to a range of a few seconds i.e. the 
> time moves backwards and forwards. Needless to say, any command that 
> still works is excruciatlingly slow and most things just don't work. 
> I've noticed that the problem occurs within 21 hours of a power up reboot.
> 
> I've also separately (different disks) installed Debian, Scientific 
> Linux and Windows on this same box. Debian and Scientific Linux display 
> the same problem: Windows is OK.
> 
> I conclude that there's a problem with the kernel and that perhaps it's 
> only more recent kernels which have the problem.
> 
> I wanted to obtain an older 2.6 kernel image or even a 2.4 image but 
> don't see anything but the latest image with my setup.
> 
> How do I get access to older kernel images (perhaps an additional entry 
> in sources.list)?
> 
> If this is a known problem is there a patched kernel available?
> 

Have you tried the "clock=pit" kernel parameter?

i.e., in /boot/grub/menu.lst:

kernel /boot/vmlinuz-2.6.16.1.mine02 root=/dev/hda1 ro quiet clock=pit
                                                              ^^^^^^^^^
HTH

-- 
John Kirkland