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Re: howto compile kernel with some special features ? [message #37351 is a reply to message #37292] Fri, 04 September 2009 08:54 Go to previous messageGo to previous message
dvazart is currently offline  dvazart
Messages: 37
Registered: October 2008
Location: France
Member
Hi again, and sorry for all these questions...

I'm booting the kernel build on Sep 2, and is with this kernel that mi server hangs at :
Loading, please wait...

I follow your instructions:
Quote:

reHi,

useing grub ?
-> please check your grub configuration:

on booting enter the grub config via the cmdline pressing the c, delete the "quit" on statement (if enabled) boot the system and n check the output ... maybe some hardware drivers missing ... in the initrd ?

Bye,
Thorsten


So booting without the "quiet" option, i got this :
Begin: Mounting root file system ... Begin: Running /scripts/local-top... done.
Begin: Waiting for root file system

ALERT! /dev/sda2 does not exist. Dropping to a shell!


here's my menu.lst :
## ## End Default Options ##

title           Debian GNU/Linux, kernel 2.6.26-2-amd64
root            (hd0,1)
kernel          /boot/vmlinuz-2.6.26-2-amd64 root=/dev/sda2 ro quiet
initrd          /boot/initrd.img-2.6.26-2-amd64

title           Debian GNU/Linux, kernel 2.6.26-2-amd64 (single-user mode)
root            (hd0,1)
kernel          /boot/vmlinuz-2.6.26-2-amd64 root=/dev/sda2 ro single
initrd          /boot/initrd.img-2.6.26-2-amd64

title           Debian GNU/Linux, kernel 2.6.18-19-ovz-amd64
root            (hd0,1)
kernel          /boot/vmlinuz-2.6.18-19-ovz-amd64 root=/dev/sda2 ro
initrd          /boot/initrd.img-2.6.18-19-ovz-amd64

title           Debian GNU/Linux, kernel 2.6.18-19-ovz-amd64 (single-user mode)
root            (hd0,1)
kernel          /boot/vmlinuz-2.6.18-19-ovz-amd64 root=/dev/sda2 ro single
initrd          /boot/initrd.img-2.6.18-19-ovz-amd64

### END DEBIAN AUTOMAGIC KERNELS LIST

As you can see, i have the same root device for the standar Debian Lenny installation that boot's well

Any idea?

** Edit **

With the Debian BusiBox I did a ls /dev there are only hdc, hdc1 and hdc2... nothing about sda.

Do you mis something about libata or the support for SCSI drivers when building the kernel ??

I modified my menu.lst to:
[...]
title           Debian GNU/Linux, kernel 2.6.18-19-ovz-amd64
root            (hd0,1)
kernel          /boot/vmlinuz-2.6.18-19-ovz-amd64 root=/dev/hdc2 ro
initrd          /boot/initrd.img-2.6.18-19-ovz-amd64
[...]


And it seems to work:
uname -a
Linux test-ovz-kernel 2.6.18-19-ovz-amd64 #1 SMP Wed Sep 2 18:12:15 UTC 2009 x86_64 GNU/Linux


Now my quesion is :

Will this work in my production servers ? they have 4 SATA hard disks in a RAID 5 3ware controller mounted as /dev/sda2 ?


----------- Daniel Vazart ------------
"Knowledge is power, Sharing is human"
------- http://www.vazart.net --------

[Updated on: Fri, 04 September 2009 12:20]

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