Comment 10 for bug 425650

The problem still exists for me:

During "Generating grub.cfg..." the disk is under heavy load, braking out the whole system. The update takes approx. 20min.

System is:
$ uname -a
Linux mythos-e6500 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC 2009 x86_64 GNU/Linux

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 9.10
Release: 9.10
Codename: karmic

$ sudo fdisk -l

Platte /dev/sda: 160.0 GByte, 160041885696 Byte
255 Köpfe, 63 Sektoren/Spuren, 19457 Zylinder
Einheiten = Zylinder von 16065 × 512 = 8225280 Bytes
Disk identifier: 0xc8000000

   Gerät boot. Anfang Ende Blöcke Id System
/dev/sda1 1 17 136521 de Dell Utility
/dev/sda2 18 279 2097152 7 HPFS/NTFS
Partition 2 endet nicht an einer Zylindergrenze.
/dev/sda3 * 279 5379 40970703+ 7 HPFS/NTFS
/dev/sda4 5380 19457 113081535 5 Erweiterte
/dev/sda5 5380 8619 26025268+ 83 Linux
/dev/sda6 8620 11231 20980858+ 83 Linux
/dev/sda7 11232 18880 61440561 83 Linux
/dev/sda8 18881 19457 4634721 82 Linux Swap / Solaris

$ mount
/dev/sda6 on / type ext4 (rw,relatime,errors=remount-ro)
proc on /proc type proc (rw)
none on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
none on /dev/shm type tmpfs (rw,nosuid,nodev)
none on /var/run type tmpfs (rw,nosuid,mode=0755)
none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
none on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
/dev/sda7 on /home type xfs (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
gvfs-fuse-daemon on /home/mythos/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=mythos)