Arch Linux

Eit

Member

From: Italy

Registered: 2010-01-22

Posts: 57

[Solved]Back from holyday updates made my computer fail (kernel panic)

Yesterday I came back from 10 day holyday and after updating quite a lot of stuff (being honest I didn't remember what since the number of packets to update was quite large) and after a reboot I got this

http://img15.imageshack.us/img15/3350/dsc0065vs.jpg
(sry for the bad shot but I think it's the best way to avoid errors copying lines)

and ofc even with fallback can't get to log
I hope somebody can help me since I'm a newbie so I don't know where to start to fix this

Thanks in advance

Last edited by Eit (2010-08-10 18:12:57)

loafer

Member

From: the pub

Registered: 2009-04-14

Posts: 1,772

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

Did you notice anything unusual in the pacman output?  Any errors?

You will need to boot from a CD and chroot:

http://wiki.archlinux.org/index.php/Change_Root

Then take a look at what was updated.  Try reinstalling the kernel and if that doesn't fix it try downgrading to the previous kernel version.

---

All men have stood for freedom...
For freedom is the man that will turn the world upside down.
Gerrard Winstanley.

Eit

Member

From: Italy

Registered: 2010-01-22

Posts: 57

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

Did you notice anything unusual in the pacman output?  Any errors?

You will need to boot from a CD and chroot:

http://wiki.archlinux.org/index.php/Change_Root

Then take a look at what was updated.  Try reinstalling the kernel and if that doesn't fix it try downgrading to the previous kernel version.

I've noticed I had to try several times because of connection problems, but it happened before especially when updating several packages

Eit

Member

From: Italy

Registered: 2010-01-22

Posts: 57

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

these are the most recent events in my pacman.log

[2010-08-07 15:24] Running 'pacman -Syu'
[2010-08-07 15:24] synchronizing package lists
[2010-08-07 15:25] starting full system upgrade
[2010-08-07 15:25] upgraded lua (5.1.4-5 -> 5.1.4-6)
[2010-08-07 15:25] 
[2010-08-07 15:25] ==> awesome installation notes:
[2010-08-07 15:25]     ----------------------------------------
[2010-08-07 15:25]     During some updates of awesome, the config file syntax changes heavily.
[2010-08-07 15:25]     This means that your configuration file (~/.config/awesome/rc.lua) for 
[2010-08-07 15:25]     any other than this particular version of awesome may or may not work.
[2010-08-07 15:25]     
[2010-08-07 15:25] upgraded awesome (3.4.5-2 -> 3.4.6-1)
[2010-08-07 15:25] upgraded chromium (5.0.375.99-1 -> 5.0.375.125-1)
[2010-08-07 15:25] upgraded consolekit (0.4.1-2 -> 0.4.1-3)
[2010-08-07 15:25] upgraded libnice (0.0.12-1 -> 0.0.13-1)
[2010-08-07 15:25] upgraded farsight2 (0.0.20-1 -> 0.0.21-1)
[2010-08-07 15:25] upgraded libdrm (2.4.21-1 -> 2.4.21-2)
[2010-08-07 15:25] upgraded libva (0.31.0_p13-2 -> 1.0.4-1)
[2010-08-07 15:25] upgraded ffmpeg (24460-1 -> 24460-2)
[2010-08-07 15:25] installed iana-etc (2.30-1)
[2010-08-07 15:25] upgraded filesystem (2010.02-4 -> 2010.07-1)
[2010-08-07 15:25] upgraded gimp (2.6.9-1 -> 2.6.10-1)
[2010-08-07 15:25] - The directories /usr/lib/perl5/current, /usr/lib/perl5/site_perl/current,
[2010-08-07 15:25]   /usr/lib/perl5/site_perl/5.10.1, and /usr/share/perl5/site_perl/5.10.1
[2010-08-07 15:25]   will be removed from @INC in a future release.
[2010-08-07 15:25] - The directory /usr/bin/perlbin/site will not be added to $PATH in a
[2010-08-07 15:25]   future release.
[2010-08-07 15:25] upgraded perl (5.10.1-5 -> 5.12.1-2)
[2010-08-07 15:25] upgraded git (1.7.2-1 -> 1.7.2.1-1)
[2010-08-07 15:25] upgraded gnupg2 (2.0.15-1 -> 2.0.16-1)
[2010-08-07 15:25] upgraded graphicsmagick (1.3.7-2 -> 1.3.7-3)
[2010-08-07 15:25] upgraded irssi (0.8.15-1 -> 0.8.15-3)
[2010-08-07 15:25] The jre package is licensed software.
[2010-08-07 15:25] You MUST read and agree to the license stored in
[2010-08-07 15:25] /opt/java/jre/LICENSE before using it.
[2010-08-07 15:25] upgraded jre (6u20-1 -> 6u21-1)
[2010-08-07 15:25] The jdk package is licensed software.
[2010-08-07 15:25] You MUST read and agree to the license stored in
[2010-08-07 15:25] /opt/java/LICENSE before using it.
[2010-08-07 15:25] upgraded jdk (6u20-1 -> 6u21-1)
[2010-08-07 15:25] >>> Updating module dependencies. Please wait ...
[2010-08-07 15:25] >>> MKINITCPIO SETUP
[2010-08-07 15:25] >>> ----------------
[2010-08-07 15:25] >>> If you use LVM2, Encrypted root or software RAID,
[2010-08-07 15:25] >>> Ensure you enable support in /etc/mkinitcpio.conf .
[2010-08-07 15:25] >>> More information about mkinitcpio setup can be found here:
[2010-08-07 15:25] >>> http://wiki.archlinux.org/index.php/Mkinitcpio
[2010-08-07 15:25] 
[2010-08-07 15:25] >>> Generating initial ramdisk, using mkinitcpio.  Please wait...
[2010-08-07 15:25] ==> Building image "default"
[2010-08-07 15:25] ==> Running command: /sbin/mkinitcpio -k 2.6.34-ARCH -c /etc/mkinitcpio.conf -g /boot/kernel26.img
[2010-08-07 15:25] :: Begin build
[2010-08-07 15:25] :: Parsing hook [base]
[2010-08-07 15:25] :: Parsing hook [udev]
[2010-08-07 15:25] :: Parsing hook [autodetect]
[2010-08-07 15:26] :: Parsing hook [pata]
[2010-08-07 15:26] :: Parsing hook [scsi]
[2010-08-07 15:26] :: Parsing hook [sata]
[2010-08-07 15:26] :: Parsing hook [filesystems]
[2010-08-07 15:26] :: Generating module dependencies
[2010-08-07 15:26] :: Generating image '/boot/kernel26.img'...SUCCESS
[2010-08-07 15:26] ==> SUCCESS
[2010-08-07 15:26] ==> Building image "fallback"
[2010-08-07 15:26] ==> Running command: /sbin/mkinitcpio -k 2.6.34-ARCH -c /etc/mkinitcpio.conf -g /boot/kernel26-fallback.img -S autodetect
[2010-08-07 15:26] :: Begin build
[2010-08-07 15:26] :: Parsing hook [base]
[2010-08-07 15:26] :: Parsing hook [udev]
[2010-08-07 15:26] :: Parsing hook [pata]
[2010-08-07 15:26] :: Parsing hook [scsi]
[2010-08-07 15:26] :: Parsing hook [sata]
[2010-08-07 15:26] :: Parsing hook [filesystems]
[2010-08-07 15:26] :: Generating module dependencies
[2010-08-07 15:26] :: Generating image '/boot/kernel26-fallback.img'...SUCCESS
[2010-08-07 15:26] ==> SUCCESS
[2010-08-07 15:26] upgraded kernel26 (2.6.34.1-1 -> 2.6.34.2-2)
[2010-08-07 15:26] upgraded kernel26-headers (2.6.34.1-1 -> 2.6.34.2-2)
[2010-08-07 15:26] upgraded lib32-glibc (2.12-4 -> 2.12-5)
[2010-08-07 15:26] upgraded perl-list-moreutils (0.22-2 -> 0.22-4)
[2010-08-07 15:26] upgraded perl-xml-parser (2.36-6 -> 2.36-7)
[2010-08-07 15:26] upgraded rpcbind (0.2.0-1 -> 0.2.0-2)
[2010-08-07 15:26] upgraded rxvt-unicode (9.07-1 -> 9.07-2)
[2010-08-07 15:26] upgraded sqlite3 (3.7.0-1 -> 3.7.0.1-1)
[2010-08-07 15:26] upgraded thunderbird (3.1.1-1 -> 3.1.2-1)
[2010-08-07 15:26] upgraded tzdata (2010j-1 -> 2010k-1)
[2010-08-07 15:26] upgraded vlc (1.1.1-3 -> 1.1.2-2)

now I'm on a ubuntu livecd version...should I reinstall the kernel ? Can I do it from here ?

Eit

Member

From: Italy

Registered: 2010-01-22

Posts: 57

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

I've managed to reinstall the kernel from chroot, back on my arch trying to install new updates the kernel that I've reinstalled is in the list of the updates
trying to continue the output is

checking package integrity...
(7/7) checking for file conflicts                  [----------------------] 100%
error: failed to commit transaction (conflicting files)
kernel26: /lib/modules/2.6.34-ARCH/modules.devname exists in filesystem
kernel26: /lib/modules/2.6.34-ARCH/modules.softdep exists in filesystem
Errors occurred, no packages were upgraded.

hokasch

Member

Registered: 2007-09-23

Posts: 1,461

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

If you encounter such an error with -Syu, just c&p it into google or the forum search.

Eit

Member

From: Italy

Registered: 2010-01-22

Posts: 57

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

I know w/o searching that in such cases the common solution would be to just force the installation of the kernel again, but I'm not sure that would be the correct solution considering the problem that I had, by the way I will try that, hoping not to have to chroot to restore the kernel again...

Ramses de Norre

Member

From: Leuven - Belgium

Registered: 2007-03-27

Posts: 1,289

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

Those files did not belong to any package here, so they are probably left-overs that you can safely remove. Did anything change after reinstalling the kernel? If not, what filesystem type is / and can you post your grub config and mkinitcpio.conf ?

Eit

Member

From: Italy

Registered: 2010-01-22

Posts: 57

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

Those files did not belong to any package here, so they are probably left-overs that you can safely remove. Did anything change after reinstalling the kernel? If not, what filesystem type is / and can you post your grub config and mkinitcpio.conf ?

Reinstalling the kernel restored my system w/o changes, now everything looks ok.
What do you mean by removing the files? The current configuration is working, it's just that pacman probably doesn't recognize that I already have those files.
The question is : can I safely force pacman to install them (maybe it will just overwrite them again ) ? Or it's better to do something else?

Last edited by Eit (2010-08-10 18:03:31)

hokasch

Member

Registered: 2007-09-23

Posts: 1,461

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

In this case, it is safe to override the files with -f. It was explained on the mailing list, but I forgot what was causing this. Pacman "knows" this files after installing with "force", as they are now owned  by kernel26.

P.S.: You can either remove the offending files, or use -f switch to tell pacman to override them. I think Ramses de Norre was asking for your filesystem/mkinitcpio.conf because of the problem in the OP.

Last edited by hokasch (2010-08-10 18:12:29)

Eit

Member

From: Italy

Registered: 2010-01-22

Posts: 57

Re: [Solved]Back from holyday updates made my computer fail (kernel panic)

In this case, it is safe to override the files with -f. It was explained on the mailing list, but I forgot what was causing this. Pacman "knows" this files after installing with "force", as they are now owned  by kernel26.

Thanks, that worked