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Bug #38309

From: Federico Tello Gentile
Subject: Bug #38309
Date: Thu, 28 Mar 2013 12:45:13 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4

This bug


Is actually a bug. Here's my attempt to find help on an unbootable system


The thing is grub.cfg was 11.6 MB. 175191 lines of menu entries generated by /etc/grub.d/30_os-prober

As grub was not showing anything except a blank screen forever, my guesses where faulty hard drive, faulty motherboard, broken RAID...

This was a 2009 Ubuntu installation that had been updated every 6 months to the newer release. The symptom started around 2013, (maybe after the Ubuntu guys pushed a grub upgrade?), grub was taking longer and longer to boot and running grub-update took long too on every kernel update. Until it was 9 minutes long and later more than 15 minutes and I gave up.

The damaged grub.cfg file is compressed here:

I will be monitoring that file in my new installation so see if it grows.

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