Re: kernel 2.6.23 CFS problem?

["Wang, Baojun" <wangbj@lzu.edu.cn>]

On Friday 26 October 2007 14:47:02, you wrote：
> On Fri, 2007-10-26 at 12:45 +0800, WANG Cong wrote:
> > On Fri, Oct 26, 2007 at 10:57:45AM +0800, Wang, Baojun wrote:
> > >hi, list
> > >
> > >  I've upgraded my kernel from 2.6.22.9 to 2.6.23 when it was out, After
> > > that I can't install ELDK 4.1 anymore (The one I installed was
> > > crashed), it always stopped at preparing install package XXX (or YYY
> > > sometimes), I've waited for a very long time(more than 1 hour), but it
> > > still the same. After I switch back to kernel 2.6.22.9, everything is
> > > fine. Is there somebody have the some problem like me?
> >
> > What's your XXX or YYY?
In the attachment
> > What error messages did you get?
No error message, but the installation just "freeze", I've waited for more 
than 1 hour, but still no progress, with 2.6.22.9 it was fine.
> > Why don't you try to update your glibc or something like that?
glibc is 2.6.1
> > I am afraid it's off-topic here.
>
> Not necessarily so if kernel version indeed makes the difference between
> hung install and successful completion.
>
> Perhaps he has any tasks stuck in 'D' state?  If so, SysRq-t output for
> these would be a good thing to collect.  What leads him to suspect the
> process scheduler, etc.  More details are needed.
The task is S+ state, please see in the attachment tarball, SysRq-t output has 
also been attached, I wish it would help. I doubt it's the CFS problem 
because it's first introduced into the 2.6.23 kernel.
> (I went looking for this package, but there are several, and they're
> huge)
>
> 	-Mike

Wang

-- 
Wang, Baojun                                        Lanzhou University
Distributed & Embedded System Lab              http://dslab.lzu.edu.cn
School of Information Science and Engeneering        wangbj@lzu.edu.cn
Tianshui South Road 222. Lanzhou 730000                     .P.R.China
Tel:+86-931-8912025                                Fax:+86-931-8912022

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