Re: Re: fc6xen kernel panic after yum update

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Ronald,

Thanks for the help.  I copied the initrd files to different
directories and executed the commands you indicated.  Doing a diff
only reports this:

[root@pyrite test]# diff 2798/init 2948/init
55a56,59
echo "Loading xor.ko module"
insmod /lib/xor.ko
echo "Loading raid456.ko module"
insmod /lib/raid456.ko

It looks like there are two extra modules in 2948 that weren't in 2798.

Also, I previously had edited grub.conf and changed root= to see if
that made any difference.  But using
root=/dev/mapper/VolGroup00-lvdom0 has the same result as
root=/dev/VolGroup00/lvdom0.  I did this because after the yum update,
the new kernel used the mapper syntax while the original kernel
didn't.  At the moment I have it like this:

title Fedora Core (2.6.20-1.2948.fc6xen)
       root (hd0,0)
       kernel /xen.gz-2.6.20-1.2948.fc6
       module /vmlinuz-2.6.20-1.2948.fc6xen ro
root=/dev/VolGroup00/lvdom0 ide=nodma
       module /initrd-2.6.20-1.2948.fc6xen.img
title Fedora Core (2.6.18-1.2798.fc6xen)
       root (hd0,0)
       kernel /xen.gz-2.6.18-1.2798.fc6
       module /vmlinuz-2.6.18-1.2798.fc6xen ro
root=/dev/VolGroup00/lvdom0 ide=nodma
       module /initrd-2.6.18-1.2798.fc6xen.img

Thanks again for the help.

Tauren


On 5/19/07, Ronald Warsow <rwarsow@xxxxxxxxx> wrote:
Tauren Mills wrote:
> Has anyone else had this problem?  I can't be the only one who had
> updated to this version.  If you have updated and things are working
> fine, I'd like to know.  That way at least I'll know it is something
> on my end.
>
> Thanks,
> Tauren
>
>
> On 5/14/07, Tauren Mills <tauren@xxxxxxxxxxx> wrote:
>> Hello,
>>
>> I used yum update on a newly installed dual cpu i386 FC6 system a
>> couple days ago. My system was updated from Fedora Core
>> 2.6.18-1.2798.fc6xen to 2.6.20-1.2948.fc6xen. The update went fine.
...

no problems here with my AMD Athlon(tm) 64 X2 Dual Core and xen kernel
2948, but it's a x86_64 installation.

you can compare both initrd's from the xen kernels - assuming you still
have both - via:

- copy them to two different directories
- zcat initrd... | cpio -di
- compare the files "init" , esp. lines: mkrootdev ... and insmod ... or
for last part compare the directories "lib".

or take a look at

https://bugzilla.redhat.com/bugzilla/buglist.cgi?product=Fedora+Core&version=fc6&component=kernel-xen&bug_status=NEW&bug_status=ASSIGNED&bug_status=NEEDINFO&bug_status=MODIFIED&short_desc_type=allwordssubstr&short_desc=&long_desc_type=allwordssubstr&long_desc=

--
      ronald

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