[nflug] GRUB error 18
Cyber Source
peter at thecybersource.com
Fri Mar 7 10:01:08 EST 2008
Does anything in that grub file boot?
Steve Petersen wrote:
> I've attached my /boot/grub/menu.lst file. Thanks again.
> Steve
>
> On Thu, Mar 6, 2008 at 11:36 PM, Cyber Source
> <peter at thecybersource.com <mailto:peter at thecybersource.com>> wrote:
>
> Show me your /boot/grub/menu.lst file
>
> Steve Petersen wrote:
> > Thanks for the help! I'm afraid I can't make much of it though.
> As I
> > say, I've been using linux for about 10 years, but that doesn't mean
> > I've been /understanding/ much of it. I have only the vaguest grasp
> > of UUIDs and cylinder geometry. I don't know what the "stanzas" are
> > and I'm not sure what you mean by "the actual drive /dev use"
> (unless
> > you just mean /dev/hda, which I believe it is, though there is a
> > second hard drive I mount separately).
> >
> > Below I give the "fdisk -l" output. Thanks again for any help.
> > Steve
> >
> > Disk /dev/hda: 320.0 GB, 320072933376 bytes
> > 255 heads, 63 sectors/track, 38913 cylinders
> > Units = cylinders of 16065 * 512 = 8225280 bytes
> > Disk identifier: 0x0008fac7
> >
> > Device Boot Start End Blocks Id System
> > /dev/hda1 * 1 38560 309733168+ 83 Linux
> > /dev/hda2 38561 38913 2835472+ 5 Extended
> > /dev/hda5 38561 38913 2835441 82
> Linux swap
> > / Solaris
> >
> > Disk /dev/hdb: 160.0 GB, 160041885696 bytes
> > 255 heads, 63 sectors/track, 19457 cylinders
> > Units = cylinders of 16065 * 512 = 8225280 bytes
> > Disk identifier: 0x000b8293
> >
> > Device Boot Start End Blocks Id System
> > /dev/hdb1 1 19103 153444816 83 Linux
> > /dev/hdb2 19104 19457 2843505 5 Extended
> > /dev/hdb5 19104 19457 2843473+ 82
> Linux swap
> > / Solaris
> >
> >
> >
> > On Thu, Mar 6, 2008 at 9:40 PM, Cyber Source
> <peter at thecybersource.com <mailto:peter at thecybersource.com>
> > <mailto:peter at thecybersource.com
> <mailto:peter at thecybersource.com>>> wrote:
> >
> > Whatever the bios is told as a boot device, if it's a hard
> drive, it
> > will go to "first" partition on that drive that has a "boot"
> flag
> > (fdisk
> > -l), it will be the partition with a "*" declared.
> > First off, I would suspect a problem with the CHS
> > (cylinder,head,sector)
> > geometry that the drive has or is being interpreted by the
> bios as, to
> > the kernel.
> > Second off, I would think it's how the stanzas are written
> and the
> > UUID's (always a problem I've seen) are being used. Try changing
> > to the
> > actual drive /dev use.
> > Tell me those things and I'll tell you my reasoning later, if
> > applicable, sorry lazy typer.....
> > Steve Petersen wrote:
> > > Hi NFLUGgers,
> > >
> > > I've been using some form of linux for about 10 years, but I'm
> > still a
> > > newbie in many ways, and I wonder if you can help me. For
> some time
> > > now my home desktop computer - which has Ubuntu 7.10 on it and
> > nothing
> > > else - won't boot any of the more recent kernels the
> update-manager
> > > downloads. It gives me
> > >
> > > Error 18: selected cylinder exceeds maximum supported
> by BIOS
> > >
> > >
> > > until I choose in GRUB an old enough kernel that BIOS can
> reach,
> > > apparently. I don't know if I have a separate boot
> partition; it's
> > > however Ubuntu set it up default. (No separate boot
> partition shows
> > > up on the 'mount' command - but would it?) I also don't know
> > what my
> > > motherboard is - that's where the BIOS lives, right? As
> you see I'm
> > > still pretty ignorant of some basic computing concepts.
> > >
> > > Anyway this has been going on for over a year, probably,
> but the
> > > kernel's old enough now that (without good evidence either
> way) I'm
> > > starting to worry it'll be sub-optimal in noticeable ways.
> It's
> > > 2.6.17-10-generic, though /boot lists versions as recent as
> > > 2.6.22-14-generic.
> > >
> > > Thanks in advance for any help or thoughts.
> > >
> > > Steve
> > >
> > > --
> > >
> > > http://stevepetersen.net
> > >
> >
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> > --
> >
> > http://stevepetersen.net
> >
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