On 11/08/2010 05:28 AM, Coert Waagmeester wrote:
> Volker Armin Hemmann wrote:
>> On Thursday 04 November 2010, dhk wrote:
>>> I've always used the genkernel, but now am trying to make a manual one.
>>>  I think the kernel is alright since all the default setting seemed
>>> reasonable and the build was easy enough.  However, when I boot to it I
>>> get a kernel panic and it complains about the root device /dev/hda3. So
>>> I think the problem has to do with my parameters or syntax in grub.conf.
>>>  Below are three grub menu options.  The first two have the problem and
>>> the third is the genkernel that works fine.  Is there something wrong
>>> with the way the first two are?  Thanks.
>>>
>>> # This is a Manually built kernel with default settings.  kernel panic
>>> title Gentoo Linux x86 2.6.34-r12
>>> root (hd0,0)
>>> kernel /boot/kernel-2.6.34-gentoo-r12 root=/dev/hda3
>>>
>>> # This is a Manually built kernel with default settings.  kernel panic
>>> title Gentoo Linux x86 2.6.34-r12
>>> root (hd0,0)
>>> kernel /boot/kernel-2.6.34-gentoo-r12 root=/dev/hda3 vga=791
>>> splash=verbose video=vesafb:mtrr,ywrap udev
>>> # From Documentation: video=uvesafb:mtrr:3,ywrap,1024x768...@85
>>>
>>> # This a genkernel and works
>>> title Gentoo Linux x86 2.6.34-r6
>>> root (hd0,0)
>>> kernel /boot/kernel-genkernel-x86_64-2.6.34-gentoo-r6 init=/linuxrc
>>> ramdisk=8192 real_root=/dev/hda3 vga=791 splash=verbose
>>> video=vesafb:mtrr,ywrap udev
>>> initrd /boot/initramfs-genkernel-x86_64-2.6.34-gentoo-r6
>>>
>>> --dhk
>>
>> grub must point to sda3 not hda3
>>
>>
> 
> Yes, I had a similar problem.
> The device names are different on my machine between genkernel and my
> own kernel.
> Make sure to change that in your /etc/fstab as well.
> 
> Dont know if this is always the case though.
> 
> Regards,
> Coert Waagmeester
> 
> 

I'm booting to an IDE hard disk.  Are you say the device name should
change from /dev/hda3 to /dev/sda3?  If I change it in /etc/fstab and it
doesn't work, I'll have problems, I'll probably have to boot to the livecd.

Thanks,

--dhk

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