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FoxHunter
n00b
Joined: 12 May 2004
Posts: 9
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 Posted: Wed May 12, 2004 8:51 pm Post subject: P4P800 / S-ATA / kernel-panic upon boot |
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Hi!
This is my first topic in these beautiful forums, I hope you can help me 
Problem: I try to install Gentoo 2004.1 to an S-ATA disc on my P4P800.
These a the devices used:
/dev/hdg6 => /boot > ext2
/dev/hdg7 => swap
/dev/hdg8 => / > ext3
As you can see, the Live-CD recognizes my S-ATA device as /hdg.
Everything went fine, until I tried to boot from my freshly installed Gentoo install:
| Quote: | VFS: Cannot open root device "hdg8" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) |
Here my /etc/fstab
| Quote: | # NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
/dev/hdg6 /boot ext2 noauto,noatime 1 2
/dev/hdg7 none swap sw 0 0
/dev/hdg8 / ext3 noatime 0 1
/dev/cdroms/cdrom0 /mnt/cdrom auto noauto,user 0 0
#/dev/fd0 /mnt/floppy auto noauto 0 0
# NOTE: The next line is critical for boot!
none /proc proc defaults 0 0
# glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for
# POSIX shared memory (shm_open, shm_unlink).
# (tmpfs is a dynamically expandable/shrinkable ramdisk, and will
# use almost no memory if not populated with files)
# Adding the following line to /etc/fstab should take care of this:
none /dev/shm tmpfs defaults 0 0 |
And grub.conf:
| Quote: | default 1
timeout 10
splashimage=(hd1,5)/grub/splash.xpm.gz
title=Gentoo Linux 2004.1
root (hd1,5)
kernel (hd1,5)/kernel-2.6.5 root=/dev/hdg8
# XP Dual Boot
title=Windows XP
rootnoverify (hd0,0)
chainloader +1 |
Here some more information:
- I have enabled SATA-support in the kernel (compiled it myself using make menuconfig).
- In my BIOS, I'm running enhanced mode for my IDE channels, because I need both IDE-channels - thus I'm not able to run "compatible mode".
- I also tried to replace /hdg with /sda and /sdc in fstab end grub.conf, but with no avail.
- kernel used is gentoo-dev-sources-2.6.5-r1
I'm a total noob in using Linux, and now I don't know what to do anymore.
Of course I searched the whole gentoo.org forums for similiar topics, and tried several tips, but nothing has helped. 
Thanks in advance |
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YopWongSapn
l33t
Joined: 26 Jan 2004
Posts: 627
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| Posted: Wed May 12, 2004 9:00 pm Post subject: |
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On behalf of everyone here, I'd like to welcome you to these forums 
Considering this is your first post here, I'm impressed at the info you posted. This makes it much easier to troubleshoot your problem.
Try passing the -doscsi option to the kernel. It sounds like your kernel can't find your / partition because it is not looking on your SATA controller.
I'm not familiar with grub's syntax for doing this, but I'm sure you can find it somewhere.
_________________
Gentoo...it's like wiping your ass with silk. Or sandpaper. |
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FoxHunter
n00b
Joined: 12 May 2004
Posts: 9
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| Posted: Wed May 12, 2004 9:14 pm Post subject: |
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Thanks for your reply, but that did not help.
Btw, as the manual says, kernel options like doscsi are only necessary for people who compiled the kernel using genkernel.
I'm out of ideas
One day ago I installed Gentoo flawlessly in my virtual PC using "Microsoft Virtual PC". Obviously VPC does not emulate S-ATA drives |
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gcasillo
l33t
Joined: 23 Sep 2003
Posts: 739
Location: Cincinnati, Ohio, USA
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| Posted: Thu May 13, 2004 11:49 pm Post subject: |
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This will be my fourth SATA for Intel chipsets post TODAY. I also welcome you to the forums!
First, yes, you should have your BIOS set to use Enhanced mode. Check.
Second, build your kernel WITHOUT SCSI support. Namely disable the low-level drivers support for SATA and Intel chipsets (something like pIIx). You do not need this. You could use this, but then you would not be able to run hdparm on your drives among other smaller inconveniences. If you have nothing else that requires SCSI support (likely), then complete disable SCSI support.
For some weird reason, in order to do this, I have to disable what I can under SCSI support, quit/save my configuration, then do a second "make menuconfig" and finally disable the top level "SCSI support" option.
Your drive should show up as /dev/hde, /dev/hdg, etc. Not sure why you're getting /dev/hdg by default, but that's fine.
Finally, make sure your /etc/fstab and /boot/grub/grub.conf are pointing at the right drive and partition.
Are you sure it's /dev/hdg6? Seems like an awful high number. What does running this command as root report to you?
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FoxHunter
n00b
Joined: 12 May 2004
Posts: 9
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| Posted: Sat May 15, 2004 11:16 am Post subject: |
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Thanks for your reply!
Well, /hdg6 is correct, dunno why /hdg, but 6 is indeed the 2nd (extended) partition on this harddrive, that's correct.
But I was tired of doing all this trial and error, and finally installed gentoo to an old 16gb ATA harddisk I found in my cupboard
But if I find the time I will try your suggestions and disable SCSI support in the kernel, since /hdg is my only (pseudo-)SCSI device in my system.
thanks |
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To
Veteran
Joined: 12 Apr 2003
Posts: 1145
Location: Coimbra, Portugal
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| Posted: Sat May 15, 2004 12:47 pm Post subject: |
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I had a similar problem first time I've tryed using a SATA drive.
While installing the disk was hde, but while booting gentoo grub see it has hd0, when ( since I've 2 disks 1 IDE other SATA ) it should be hd1. Strange thing, but changing everything from my gruf.conf from hd1 to hd0 and leaving the hde it works.
Tó
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Linux Gandalf 3.2.35-grsec
Gentoo Base System version 2.2
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Installing Gentoo
