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Latest yum updates rendered two computers inaccessible.

asked 2013-09-08 19:07:34 -0500

cafetono gravatar image

updated 2015-10-17 22:32:36 -0500

mether gravatar image

I have a 6-year-old Velocity Micro desktop computer with an Inter core 2 quad processor and 8 GB of RAM and an HP Pavilion dv9000 with 3 GB of RAM from the same era. Both computers had trouble with the original NVIDIA drivers that came with Fedora 19, but both ran fine once I'd replaced those drivers with older NVIDIA drivers. That is, until the latest yum and fedorautils updates. Now both machines appear to boot as normal, but both hang at the stage just before loading the GUI and neither machine has access to the cli's usually available for tty's 2 through 6. Has anyone else had a similar problem and, more to the point, has anyone found a solution short of reinstalling Fedora 19?

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answered 2013-09-08 22:10:55 -0500

FranciscoD_ gravatar image

Did the latest updates include a kernel update?

If the fedorautils thing installs the kmod-nvidia package, it's possible that the kmod-nvidia package was not updated with the kernel. You should be able to use an older kernel, the kmod-nvidia package for which is installed. Once the kmod-nvidia package is updated, you can use the latest kernel. A way to confirm is to use one of the virtual terminals and check your /var/log/Xorg.0.log file.

As an alternative, you can use the akmod-nvidia package, which generates kernel modules if the kmod-package is not available.

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answered 2013-09-09 07:04:10 -0500

Amit Caleechurn gravatar image

updated 2013-09-09 07:06:36 -0500

You don't need to reinstall Fedora. Boot the machine and when the grub menu is displayed on the screen:

press e

Go to the ‘linux’ line with arrow keys, then press the ‘end’ key to get end of line (or move cursor to end of line with arrow keys). Write space and your run-level number (3 or 1) end of line. Add 3 to go to multi-user level without a graphical interface.

Press Ctrl+x or F10 to boot

Login as root and issue:

yum history undo last

This should undo the last transaction and restore the system to a working condition.

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That'll undo the updates, which shouldn't be needed here. If it's just a missing kmod package, he can use the older kernel until it's updated.

FranciscoD_ gravatar imageFranciscoD_ ( 2013-09-09 07:09:46 -0500 )edit
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Agreed. I was thinking about undoing the last changes and re-apply them excluding the kernel to determine if it is the culprit :) with yum --exclude=kernel* update

Amit Caleechurn gravatar imageAmit Caleechurn ( 2013-09-09 07:16:59 -0500 )edit

I ran "yum history undo last" after starting single user mode. That worked. I also ran and inspected "cat /var/log/Xorg.0.log." During my inspection I arrived at periods of semi-lucidity, only to be thrust back into the dark by the next section. Loading and unloading vesa, not finding nvidia, using nvidia, nvidia chipset NV92, etc. Sorry, my gleanings do not add up to a real understanding of the log entries.

cafetono gravatar imagecafetono ( 2013-09-18 15:09:09 -0500 )edit
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answered 2013-09-18 14:47:31 -0500

cafetono gravatar image

I followed your advice, logged in as root in single user mode, ran "yum history undo last," and voilà, the GUI worked once again. Thank you for your instructions. I also checked /var/log/Xorg.0.log.

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Asked: 2013-09-08 19:07:34 -0500

Seen: 228 times

Last updated: Sep 18 '13