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Re: Grub fails to boot newly installed kernels... works on old ones.

From: Ian Duggan
Subject: Re: Grub fails to boot newly installed kernels... works on old ones.
Date: Thu, 7 Oct 2004 19:25:43 -0700
User-agent: KMail/1.6.2

False alarm, folks. It turns out I didn't have serial console support in my 
new consoles... and I'm using a serial console. Dagnabit!


On Thursday 07 October 2004 18:46, Ian Duggan wrote:
> I'm having a really odd problem with grub.
> The history is that I have a server that has gone through some odd
> gyrartions with LVM on RAID1 and such. The Debian Sarge kernels woudln't
> boot properly because they wouldn't start raid properly and LVM would start
> up using the underlying devices instead of the raid onces. Using a second
> machine, I reproduced the problem and verified that using a stock kernel
> works (rather than the debian kernel-image-* packaged versions).
> So... I'm trying to get the new kernel installed on the sick server. Using
> a stock kernel and set of libs that I have verified works on an identical
> box, I have tried to get the sick box to boot up. The problem is that
> though Grub properly sees the new kernel and loads it into memory, it
> doesn't seem to be able to kick it off. My boot screen stops with this:
> Booting 'Debian GNU/Linux, kernel '
> root  (hd0,1)
>  Filesystem type is reiserfs, partition type 0xfd
> kernel  /vmlinuz- root=/dev/md1 ro console=tty1 console=ttyS0,9600
>    [Linux-bzImage, setup=0x1400, size=0x1cf7fb]
> savedefault
> boot
> Nothing happens after this. Only a power cycle seems to work.
> The really odd thing is that kernels on the sick server that have booted
> previously still work just fine. Any new kernel that is installed
> (including Debian kernel-image-* versions) has this problem. Grub doesn't
> seem to kick off the kernel init.
> I have tried reinstalling grub and reinstalling the boot sector stuff from
> the grub shell.
> Any suggestions on how to debug?
> --Ian
> _______________________________________________
> Bug-grub mailing list
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