Am Samstag, den 31.10.2009, 20:03 +0100 schrieb Vladimir 'phcoder' Serbinenko: > Simon Wagner wrote: > > Hello dear GRUB2 developers, > > > > I am a user of Ubuntu 9.10, which uses GRUB2 1.97. Unfortunately > GRUB > > needs a rather long time loading the modules. For 2 minutes or so it > > just displays "GRUB loading..." until the boot menu is shown and I > can > > start Ubuntu. > > > > The bug has already been reported at Launchpad: > > https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/420933 > > > > I tried to find out what causes the problem. I have the following > disk > > layout: > > > > A "Windows HD" with the following partitions > > /dev/sda1 > > /dev/sda2 > > /dev/sda3 > > /dev/sda4 > > /dev/sda5 > > > > A "Ubuntu HD": > > /dev/sdb2 (Extended Partition) > > /dev/sdb5 (swap) > > /dev/sdb6 (small partition, holds some misc data) > > /dev/sdb7 (Ubuntu 9.10) > > /dev/sdb8 (Backup) > > > > So when I add > > set debug="disk" > > at grub.cfg I can see grub accessing the disk. It cycles through all > > the partitions, then reads data from sdb7, cycles again through the > > partitions, reads again from sdb7, and so on... > > > > I can't really tell whats causing this, I used the Ubuntu 9.04 > package > > of grub2 before and that had not this problem. The package dates > back > > to to the grub2 version from the 24th July of 2008. > > > > Maybe it is possible to do some caching in GRUB2? So for example, if > > search -u someuuid > > is done, the result is saved, and if we do that again, we can lookup > > in the cache which drive has that uuid? The same for the FS type. If > > we once did detect ext2 on hd1,7 we should cache that, so we don't > > need to detect that again. > > > > I will try to add more grub_dprintf calls, so that I can better see > > what is going on. > > > > Sincerly > > Simon W. > > > We're aware of this problem and have patch which I'll merge as soon as > I'm back home
Vladimir any news? The people on the LP bug now seem to more revert to Legacy instead of following the advice to boot from the disk where their /boot/grub is on. -- Felix Zielcke Proud Debian Maintainer and GNU GRUB developer _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
