Re: Cannot load latest 2.6.32.10 kernel on AMD quad-core

[Gerry Reno <greno@verizon.net>]

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On 04/29/2010 10:41 AM, Mike Viau wrote:
> > Thu, 29 Apr 2010 09:54:07 -0400 <greno@verizon.net> wrote: on AMD 
> quad-core
> >
> > On 04/27/2010 01:35 PM, Gerry Reno wrote:
> > > On 04/27/2010 05:15 AM, Pasi Kärkkäinen wrote:
> > >> On Mon, Apr 26, 2010 at 10:48:44PM -0400, Gerry Reno wrote:
> > >>>>>>> Pasi, my grub.conf is attached.
> > >>>>>>>
> > >>>>>> Ok, fix it to be like this:
> > >>>>>>
> > >>>>>> module /vmlinuz-2.6.32.10
> > >>>>>> root=/dev/mapper/vg--grp--01--23--02--2-LogVol00 dummy=dummy ro
> > >>>>>> earlyprintk=xen console=hvc0 console=ttyS0 
> console=ttyUSB0,115200n8
> > >>>>>> text
> > >>>>>>
> > >>>>>> aka remove "quiet" and add "earlyprintk=xen console=hvc0"
> > >>>>>>
> > >>>>>> -- Pasi
> > >>>>>>
> > >>>>> Pasi, this gave some more output. Sorry the video is fuzzy but 
> this
> > >>>>> happens by youtube postprocessing. Here is new link:
> > >>>>> http://www.youtube.com/watch?v=jePyapeHpSI
> > >>>>>
> > >>>>> -Gerry
> > >>>> If you have somewhere I can ftp original video file, it is clearer.
> > >>>> File is about 90 MB.
> > >>>>
> > >>>> -Gerry
> > >>>>
> > >>> Original video is posted here:
> > >>> http://greno-misc.googlecode.com/files/MOV03932.MPG
> > >>>
> > >> It's very difficult to see the problem from that video :(
> > >> We'd really need a serial console log.
> > >>
> > >> Also you I wonder why the screen goes blank in the end?
> > >> Before that it seems to mount the root (?) filesystem OK..
> > >>
> > >> Do you have some console font/videomode thingie configured?
> > >> See the "Dom0 console gets all weird and corrupted in the end of the
> > >> boot process" from:
> > >> http://wiki.xensource.com/xenwiki/XenParavirtOps
> > >>
> > >> Also please add "nomodeset" option to the end of the pvops kernel
> > >> boot options,
> > >> like suggested on pvops examples/docs.
> > >>
> > >> -- Pasi
> > >>
> > > Ok, I finally got a little more output using nomodeset. There is a
> > > soft lockup bug. Attaching screenshots.
> > >
> > > -Gerry
> > >
> >
> > I've been changing various settings trying to figure out what is the
> > problem and today after a very long wait (> 5 min) I was able to see a
> > login prompt. But things are not well. During the boot I now see:
> > XENBUS: Unable to read cpu state.
> > XENBUS: Unable to read cpu state.
> > XENBUS: Unable to read cpu state.
> > XENBUS: Unable to read cpu state.
> >
>
> I get these message on boot too (note there is not long delay to get 
> these messages but they do appear closer to the end of my boot up 
> sequence). FYI, it has not affected XEN for as far as I could see.
>
>
> > and while logged in I get a lot of these type of messages every few 
> minutes:
> > INFO: task xxxxxxx:nnn blocked for more than 120 seconds.
> > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this 
> message.
> >
> > and I notice a number of errors in the xen logs with I'm attaching.
> >
> > Can someone look at these logs and see if there is anything I can do on
> > my end to help fix the problem?
> >
> > -Gerry
> >
Mike, what processor are you running on?

-Gerry


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