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simpsora
n00b
Joined: 07 Mar 2003
Posts: 1
Location: Denver, CO
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 Posted: Fri Mar 07, 2003 8:48 pm Post subject: Can't boot a u2 |
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Hello,
I'm trying to install gentoo on an ultra2, and am almost there, but am having trouble booting with silo.
vmlinuz seems to be being loaded ok, but I get the following error during boot:
| Code: |
VFS: Cannot open root device "sda1" or 08:01
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 08:01
Press L1-A to return to the boot prom
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Everything is on /dev/sda1.
Here is my silo.conf:
| Code: |
partition = 1
root = /dev/sda1
timeout = 10
image = /boot/vmlinuz
label = linux
device = /pci@1f,4000/scsi@3/disk@4,0:a
root = /dev/sda1
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I'm sure that device line is correct (it's what devalias uses for the boot device).
I've had this problem with a redhat box, and it turned out that i needed to create an initrd with the scsi drivers to boot from. However, i have a working intel box with a scsi disk that boots just fine without an initrd.
Any thoughts? I know this is a common problem, but I searched the forums and didn't really come up with an answer.
thx
ross |
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buckyball
n00b
Joined: 28 Oct 2002
Posts: 14
Location: Fremont, CA
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| Posted: Fri Mar 07, 2003 10:16 pm Post subject: |
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Check that you compiled SCSI support into the kernel (not as a module), including SCSI, SCSI Disk, and the Sun SCSI HBA support. Otherwise an initrd *would* be required.
I just finished building gentoo on an Ultra Creator 1 with 2 drives and did not need to use the "dev" statement. Mine looks like this:
| Code: | # /boot/silo.conf
partition = 1
root = /dev/sdb1
timeout = 10
image = /boot/vmlinuz-2.4.20
label = linux
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My partition setup is a bit different:
/dev/sda1 = /boot
/dev/sda2 = swap
/dev/sda3 = /var/tmp
/dev/sdb1 = /
If you make changes, don't forget to re-run the 'silo' command before rebooting!
Hope this helps.
_________________
Buckyball
If it doesn't fit, force it --
if it breaks, it needed fixing anyway! |
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