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  #1  
Old 17th July 2008, 10:45 AM
alwin Offline
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Posts: 8
Fedora 9: latest kernel update (kernel-2.6.25.10-86) won't boot anymore

Hi,

this is meanwhile the second kernel update of fedora 9 which won't boot. it hangs direct on first stage when it tries to mount the root-partition - it seems that there is no device-mapper driver in initrd or whatever. It tells me it has no /dev/dm-0.

The fedora mailing lists webinterface seems broken this moment so I can not see if there is a bugreport in archives, thats why the question here: Has someone else this problem?

(It happens on x86_64, Kernel 2.6.25.6-55 works perfect.)

Any hints?
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  #2  
Old 18th July 2008, 12:33 AM
jshayden Offline
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Posts: 2
I also cannot boot after this update. Mine only gets as far as: "GRUB"!

Any ideas?!

(I should add that this is also the second kernel to cause such a problem.)

Josh
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  #3  
Old 18th July 2008, 01:08 AM
StephenH Offline
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Location: Wake Forest, NC
Age: 63
Posts: 1,415
No problem here with X86_64 on my desktop system or i686 on my laptop. It fixed the wireless networking issues that the prevous kernels had problems with (slow speeds and/or no WPA connect) for my laptop.

Stephen
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  #4  
Old 18th July 2008, 01:15 AM
whodareswins Offline
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Location: New South Wales Australia
Age: 70
Posts: 37
I have the same problem with fc8 latest kernel. Mine locks up when it tries to start sshd. The previous kernel works fine. X86-64 system.

Peter.
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  #5  
Old 18th July 2008, 06:13 AM
kayvan Offline
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Join Date: Jun 2005
Posts: 12
Quote:
Originally Posted by jshayden
I also cannot boot after this update. Mine only gets as far as: "GRUB"!

Any ideas?!

(I should add that this is also the second kernel to cause such a problem.)

Josh
I have the exact same problem and am stuck. It goes to GRUB and does not boot.

---Kayvan
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  #6  
Old 18th July 2008, 06:38 AM
kayvan Offline
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Join Date: Jun 2005
Posts: 12
Quote:
Originally Posted by kayvan
I have the exact same problem and am stuck. It goes to GRUB and does not boot.

---Kayvan
I'm not stuck anymore.

I booted into rescue mode using the Fedora 9 x86_64 DVD,

Then after "chroot /mnt/sysinstall"

# grub

at the grub prompt:

find /grub/grub.conf

it responds with (hd0,0)

root (hd0,0)
setup (hd0)
exit

# exit

and the machine rebooted and all is well.
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  #7  
Old 18th July 2008, 10:40 AM
alwin Offline
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Join Date: Jul 2008
Posts: 8
Exclamation

I found a solution for my problem:

I saw that in /etc/fstab the filesystems where mounted via /dev/dm-0 and so on.

that is wrong. Seems that this comes with an upgrade from fedora 8.

So I did following:

replaced in /etc/fstab /dev/dm-0 with /dev/VolGroup00/LogVol00 and so on (you have to check it your self)

rebooted the old kernel, remove with rpm -e --nodeps the new kernel package only, dann yum update the new kernel will get reinstalled.

[edit]
the reboot is required that the filesystems are mounted via the logical volumes
[/edit]

voila.

it generates a correct initrd and root in grub-commandline is set to the volgroup not to dm-0!

Hell. There goes somethin real wrong with the kernel updates, don't know if due upgrade from fedora 8 (all systems I had this problem where upgrades) or not. But it isn't nice.
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  #8  
Old 23rd July 2008, 02:31 AM
jshayden Offline
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Join Date: Jul 2008
Posts: 2
Quote:
Originally Posted by kayvan
I'm not stuck anymore.

I booted into rescue mode using the Fedora 9 x86_64 DVD,

Then after "chroot /mnt/sysinstall"

# grub

at the grub prompt:

find /grub/grub.conf

it responds with (hd0,0)

root (hd0,0)
setup (hd0)
exit

# exit

and the machine rebooted and all is well.
This worked. Thanks!!
(Oh... For others who may use this in a "copy-n-paste" manner: It's "quit" to exit from grub, not "exit".)

Thanks Again!
Josh
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  #9  
Old 2nd November 2008, 03:11 PM
lzhan Offline
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Join Date: Nov 2007
Posts: 1
One can also try the following:
$ chroot /mnt/sysimage
$ grub-install /dev/sda
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