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nox
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Post subject: grub error after DU
 Posted: 28.05.2011, 10:23
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Joined: 2010-09-14
Posts: 45
Status: Offline
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Hi,
just did a DU and cannot boot my 32bit system anymore :
Code:
error: symbol not found:'grub_divmod64_full'
Entering rescue mode...
How can i solve this problem?
Please help. |
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piper
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Post subject: RE: grub error afer DU
Posted: 28.05.2011, 12:21
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Moderator
Joined: 2010-09-11
Posts: 467
Location: cheektowaga, ny
Status: Offline
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slh
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Post subject: RE: grub error afer DU
Posted: 28.05.2011, 13:17
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Joined: 2010-08-25
Posts: 585
Status: Offline
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| Please avoid double posts. This means MBR and on-filesystem grub ABIs don't match, e.g. you updated the grub packages, but didn't allow it to rewrite the MBR of your boot disk (debconf asks about this while upgrading). For grub (even grub-legacy, just that it had a negligible update frequency in recent years, so it didn't raise many heads) it's essential that MBR+"embedding area" (stage1+stage1.5) and the loadable modules in the boot partition (stage2) have a compatible ABI, which isn't stable between upstream versions. Therefore it's essential to allow grub-pc to rewrite the MBR/embedding (stage1/ stage1.5 aka.core.img) area for every upgrade |
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nox
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Post subject: RE: grub error afer DU
Posted: 28.05.2011, 18:55
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Joined: 2010-09-14
Posts: 45
Status: Offline
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Thank you VERY much piper, this helped a lot, but instead of :
Code:
apt-get install --reinstall grub-pc
(as in the manual),
I had to use
Code:
grub-install /dev/sda
and then updated grub with :
Code:
update-grub
to make it work. I hope it's OK like that...
@slh
Thank you slh. I really can't remember not allowing grub to rewrite the MBR during the DU. I always allow packages to replace my configs with the maintainers versions...
However, i decided to put grub on hold for the next..., lets say 5 years  since it's already the second time I've had problems with it during DU which is really annoying... |
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CaesarTjalbo
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Post subject: RE: grub error afer DU
Posted: 03.06.2011, 22:37
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Joined: 2010-09-13
Posts: 95
Location: Enschede
Status: Offline
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| Problem occured here too. I attribute it to having a separate boot partition. |
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