Random kernel update breakage

Sam Varshavchik mrsam at courier-mta.com
Wed Aug 25 02:29:54 UTC 2010

Every once in a while, something breaks when a kernel update gets installed. 
It doesn't happen every time, I'd say that once in every thirty or so kernel 
updates, grub fails to come up after a subsequent reboot.

This is just a minor annoyance -- I'd have to boot the install CD in rescue 
mode, let it mount Fedora on /mnt/sysimage, chroot to it, and execute 
/sbin/grub-install -- but I'm wondering if anyone else is seeing this.

This just happened again -- after installing, rebooting my 
laptop only results in a black screen, with a BIOS cursor uselessly blinking 
away in the top-left corner. Whip out the rescue CD, and now a few minutes 
later I'm back in business.

But then, I updated a different server to, and it booted 
the new kernel just fine. Previously, this same server got similarly 
de-grubbed by an earlier kernel update, but the laptop had no issues being 
updated to the same kernel.

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