Re: 2.6.4 on Alpha uninterruptible sleep of processes

[Marc Giger <gigerstyle@gmx.ch>]

On Fri, 12 Mar 2004 22:46:49 +0300
Ivan Kokshaysky <ink@jurassic.park.msu.ru> wrote:

> On Fri, Mar 12, 2004 at 04:59:07PM +0100, Marc Giger wrote:
> > Too late. Already applied, compiled and booted. Read your message
> > and rebooted to 2.4:-)
> 
> Well, you can try the appended patch to see whether it's
> a semaphore problem or not.
> BTW, what alpha system do you have?

Right now I'm recompiling the kernel. So you say this patch isn't a fix
but a test? This time I have additionally "semaphore debugging" enabled,
perhaps it's useful for you.
I will inform you as soon as I get new infos.

> 
> > Why is there no option to compile a preemptive kernel? Not possible
> > on alpha or nobody interested to code or...?
> 
> The answer is here:
> http://bugzilla.kernel.org/show_bug.cgi?id=397

That's no answer, that's a statement:-) Do know the exactly reason why
it should be a bad idea? Is it mostly a bad idea on alpha?

> 
> > In 2.4.23 /prc/meminfo shows always 
> > 
> > Buffers:             0 kB
> > 
> > Is it normal on alpha? 2.6.4 showed a value > 0
> 
> No idea. In 2.4.25 I have a non-zero value as well:
> Buffers:          7288 kB

Interestingly. I'm still waiting to the acl patch for 2.4.25. I think I
will rediff it myself.

Thank you for your work!

Regards

Marc