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milomak
Apprentice
Joined: 10 Apr 2008
Posts: 287
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 Posted: Mon Jan 12, 2009 9:55 pm Post subject: |
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I installed using the "standard" method (if you will):
When I boot grub I get the following error message
| Quote: |
root (hd0,6)
Filesystem type is reiserfs, partition type 0x83
kernel /boot/kernel-genkernel-x86-2.6.27-gentoo-r7 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/sda7 vga=0x318 video=vesafb:mtrr:3,ywrap
[Linux-bzImage, setup=0x2a00, size=0x96050]
initrd /boot/initramfs-genkernel-x86-2.6.27-gentoo-r7
Error 15: File not found |
My /boot/grub/menu.lst looks like
| Quote: |
default 0
timeout 30
title Gentoo Linux
root (hd0,6)
kernel /boot/kernel-genkernel-x86-2.6.27-gentoo-r7 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/sda7 vga=0x318 video=vesafb:mtrr:3,ywrap
initrd /boot/initramfs-genkernel-x86-2.6.27-gentoo-r7 |
If I comment out the initrd line, the system starts to boot but then I get a kernel panic.
| Quote: |
No filesystem could mount root, tried:
Kernel panic - not syncing : VFS : Unable to mount root fs on unknown-block (0,0) |
The root system is on /dev/sda7 and the /boot partition is on /dev/sda10.
Anyone with any ideas?
EDIT: As a measure i will try referencing /initramfs... although last i check the /boot partition had a symlink for the directory boot. |
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DONAHUE
Watchman
Joined: 09 Dec 2006
Posts: 7651
Location: Goose Creek SC
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| Posted: Tue Jan 13, 2009 10:59 pm Post subject: |
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| Quote: | | The root system is on /dev/sda7 and the /boot partition is on /dev/sda10 |
is incorrect.
The results show /boot at /dev/sda7 and that leads to the guess that / is at /dev/sda10:
try:
| Quote: | default 0
timeout 30
title Gentoo Linux
root (hd0,6)
kernel /boot/kernel-genkernel-x86-2.6.27-gentoo-r7 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/sda10 vga=0x318 video=vesafb:mtrr:3,ywrap
initrd /boot/initramfs-genkernel-x86-2.6.27-gentoo-r7 |
If further research needed:
boot to the grub menu:
then enter c for grub command line, then:
| Code: | find /boot/initramfs-genkernel-x86-2.6.27-gentoo-r7 #should return (hd0,6)
find /boot/kernel-genkernel-x86-2.6.27-gentoo-r7 #should return (hd0,6)
find /etc/make.conf #should return (hd0,9)
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then enter escape twice to return to the boot menu
arrow to the bad choice
enter e to edit it
down arrow to the kernel line
enter e to edit it
change sda7 to sda10
enter to save
enter b to boot
fix grub.conf[/code]
down arrow to the kernel line |
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milomak
Apprentice
Joined: 10 Apr 2008
Posts: 287
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| Posted: Wed Jan 14, 2009 4:15 am Post subject: |
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I really do feel sheepish. of course root should point to where the files (sda10 or hd(0,9)) and real_root should point to where / is located ie /dev/sda7
EDIT: This was the answer. Instead of the root(hdx,y) command pointing at the boot partition (which is a seperate device), it was pointing at the root partition. |
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addr1
n00b
Joined: 15 Nov 2008
Posts: 31
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| Posted: Fri Jan 16, 2009 11:53 am Post subject: 1st boot error |
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I get this error:
ROOT-NFS: No NFS server available
Cannot open root device sda12
Please append correct "root=" boot option
Grub:
| Code: | title Gentoo (sda12) 2.6.27-gentoo-r7
root (hd0,11)
kernel /boot/kernel-2.6.27-gentoo-r7 root=/dev/sda12 |
fstab:
| Code: | /dev/sda12 / ext3 defaults,noatime 0 1
/dev/sda13 /home ext3 defaults,noatime 0 1
/dev/sda2 none swap sw 0 0
/dev/cdrom /mnt/cdrom auto noauto,ro 0 0
shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54300
Location: 56N 3W
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| Posted: Fri Jan 16, 2009 2:02 pm Post subject: |
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addr1,
The kernel loaded but it looks like it cannot communicate with your hard drive.
Please post your lspci output.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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addr1
n00b
Joined: 15 Nov 2008
Posts: 31
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| Posted: Fri Jan 16, 2009 7:00 pm Post subject: |
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| Code: | bash-3.2# lspci
00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
00:00.1 RAM memory: nVidia Corporation C51 Memory Controller 0 (rev a2)
00:00.2 RAM memory: nVidia Corporation C51 Memory Controller 1 (rev a2)
00:00.3 RAM memory: nVidia Corporation C51 Memory Controller 5 (rev a2)
00:00.4 RAM memory: nVidia Corporation C51 Memory Controller 4 (rev a2)
00:00.5 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
00:00.6 RAM memory: nVidia Corporation C51 Memory Controller 3 (rev a2)
00:00.7 RAM memory: nVidia Corporation C51 Memory Controller 2 (rev a2)
00:05.0 VGA compatible controller: nVidia Corporation C51G [GeForce 6100] (rev a2)
00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2)
00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a3)
00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a3)
00:0a.2 RAM memory: nVidia Corporation MCP51 Memory Controller 0 (rev a3)
00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2)
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a3)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:0e.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)
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DONAHUE
Watchman
Joined: 09 Dec 2006
Posts: 7651
Location: Goose Creek SC
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| Posted: Fri Jan 16, 2009 8:02 pm Post subject: |
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boot cd, then
| Code: | mount /dev/sda12 /mnt/gentoo
cd /mnt/gentoo/usr/src/linux
cat .config | grep -i sata_nv
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If the result does not include:
a kernel reconfiguration and recompile is needed
Device Drivers --->
<*> Serial ATA (prod) and Parallel ATA (experimental) drivers -->
--- Serial ATA (prod) and Parallel ATA (experimental) drivers
[*] ATA ACPI Support
[*] SATA Port Multiplier support
<*> AHCI SATA support
< > Silicon Image 3124/3132 SATA support
[*] ATA SFF support
<*> NVIDIA SATA support |
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addr1
n00b
Joined: 15 Nov 2008
Posts: 31
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| Posted: Fri Jan 16, 2009 10:13 pm Post subject: |
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Yes it says 'SATA_NV is not set.
How do I open the ncurses based configuration menu to recompile the kernel? Make menuconfig gives an error. |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54300
Location: 56N 3W
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| Posted: Fri Jan 16, 2009 11:00 pm Post subject: |
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addr1,
You need to get into your chroot to rebuild and reinstall the kernel. Then
| Code: | cd /usr/src/linux
make menuconfig |
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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addr1
n00b
Joined: 15 Nov 2008
Posts: 31
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| Posted: Sat Jan 17, 2009 7:35 am Post subject: |
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Thanks.
I have recompiled the kernel with NVIDIA SATA support but I still get the same error messages as in my first post when I try to boot. |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54300
Location: 56N 3W
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| Posted: Sat Jan 17, 2009 2:15 pm Post subject: |
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addr1,
You need the SCSI and SATA options built in as <*> not loadable modules <M>, as there is nowhere to load the modules from.
You also need the driver for your root filesystem built in.
I suspect you are still booting your old kernel if you get the same error. Its very easy to make a mess of copying the bzImage file to /boot.
e.g. by not mounting boot, by having a typo in the filename in /boot.
Look at your own output and make a note of the most recent kernel filename. Check the file timestamp.
Is it when you made your kernel last ?
Now look in /boot/grub/grub.conf and check the kernel file name you noted above with the file name on the kernel line.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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addr1
n00b
Joined: 15 Nov 2008
Posts: 31
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| Posted: Sat Jan 17, 2009 8:31 pm Post subject: |
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I've got it now.
I hadn't mis-typed anyhing in copying over the bzImage, I hadn't done it at all! (It was 3:30 in the morning).
Thanks for your patience and expertise.
PS Are you old enough to have heard 'The Goon Show' live?
I am! I have all their shows on audio tape and even wih the corny 'musical interlude' it remains the funniest thing I have encountered in my life. Neddy Seagoon, Eccles et al! |
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Sun Jan 18, 2009 2:01 pm Post subject: |
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| milomak wrote: | I really do feel sheepish. of course root should point to where the files (sda10 or hd(0,9)) and real_root should point to where / is located ie /dev/sda7
EDIT: This was the answer. Instead of the root(hdx,y) command pointing at the boot partition (which is a seperate device), it was pointing at the root partition. |
Yes that's a pretty classic mistake. It was rather unfortunate choice of nomenclature to have a root command as well as the root= argument to the kernel command. This causes much confusion.
_________________
Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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Gentree
Watchman
Joined: 01 Jul 2003
Posts: 5350
Location: France, Old Europe
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| Posted: Sun Jan 18, 2009 2:33 pm Post subject: |
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Hi Neddy,
where is the full doc for grub? This has always been a mistery to me when ever I need to thoroughly check something.
man grub tells me:
| Quote: | DESCRIPTION
Enter the GRand Unified Bootloader command shell.
--batch
turn on batch mode for non-interactive use
--boot-drive=DRIVE
specify stage2 boot_drive [default=0x0]
--config-file=FILE
specify stage2 config_file [default=/boot/grub/menu.lst]
--device-map=FILE
use the device map file FILE
--help display this message and exit
--hold wait until a debugger will attach
--install-partition=PAR
specify stage2 install_partition [default=0x20000]
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but NOwhere can I find what "use the device map file FILE" really does , how does it "use" it? [That example's not the issue, I want the doc].
info man gives more but I can't find any explaination of what these command line options do. "specify" this , "use" that is actually pretty meaningless unless one knows the effect of specifying the thing concerned.
From your thorough explaination of the boot process a couple of pages back I now understand (guess) what some of those are about but how did you find out?
Is this one of those cases where "the source is the documentation"?
Thx.
_________________
Linux, because I'd rather own a free OS than steal one that's not worth paying for.
Gentoo because I'm a masochist
AthlonXP-M on A7N8X. Portage ~x86 |
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DONAHUE
Watchman
Joined: 09 Dec 2006
Posts: 7651
Location: Goose Creek SC
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RusBog
n00b
Joined: 16 Jan 2009
Posts: 8
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| Posted: Sun Jan 18, 2009 7:50 pm Post subject: |
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Hi, everybody!
I have decided to install Linux. Cause, I'm complete newbie, I have decide to install Gentoo from LiveCD with GTK+ interface. The installation process finished successfully, but when I rebooted it, I got only a grub command line. After some researching, I was able to boot into windows with:
| Code: | rootnoverify(hd0,0)
makeactive
chainloader +1
boot |
I have tried to boot into Gentoo with:
| Code: | root (hd0,6)
kernel /boot/kernel-genkernel-x86-2.6.24-gentoo-r5 root=/dev/ram0 init=/linuxrc ramdisk=8192 real_root=/dev/sda7
initrd /boot/initramfs-genkernel-x86-2.6.24-gentoo-r5
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but already after kernel /boot/... I get an error message: | Code: | | "Error 2: Bad File or directory type" |
My partitions are:
sda1 - Windows XP (Primary NTFS C)
sda5 - Windows XP (Logical NTFS D)
sda6 - Linux Swap (Logical)
sda7 - Linux EXT3 (Logical)
If I try root (hd0, -> TAB, I get this output:
| Code: | root (hd0, [TAB]
Possible partitions are:
Partition num: 0, Filesystem type unknown, partition type 0x7
Partition num: 0, Filesystem type unknown, partition type 0x7
Partition num 5, Filesystem type unknown, partition type 0x82
Partition num: 6, Filesystem type is ext2fs, partition type 0x83
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If I try setup(hdo,6), I get this output:
| Code: | setup (hd0,6)
Checking if “/boot/grub/stage1” exists… no
Checking if “/grub/stage1” exists… no
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What is wrong with my installation?
P.S. I defined the sda7 to be mount point for / |
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DONAHUE
Watchman
Joined: 09 Dec 2006
Posts: 7651
Location: Goose Creek SC
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| Posted: Sun Jan 18, 2009 8:33 pm Post subject: |
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boot the live cd with nox option then run
| Code: | | tune2fs -l /dev/sda7 | grep "Inode size" |
if the return is 256, you will need to enter the chroot, emerge an up to date grub (version 0.97-r6), (which is capable of reading ext2/3fs with inode size: 256) and then setup grub again with the updated stage files.
Extracted from the gentoo handbook:
| Code: | mount /dev/sda7 /mnt/gentoo
mount -t proc none /mnt/gentoo/proc
mount -o bind /dev /mnt/gentoo/dev
chroot /mnt/gentoo /bin/bash
env-update
source /etc/profile
export PS1="(chroot) $PS1"
emerge grub
grub
root (hd0,6) # should return file system type
setup(hd0) # should tell you that it embedded stage 1.5
quit |
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RusBog
n00b
Joined: 16 Jan 2009
Posts: 8
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| Posted: Sun Jan 18, 2009 9:31 pm Post subject: |
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It looks like it worked as expected, till I insert:
What I'm getting as output is: | Code: | grub> setup (hd0)
Checking if "/boot/grub/stage1" exists... no
Checking if "/grub/stage1" exists... no
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But as far as I can see from this output there IS a /boot/grub/stage1:
| Code: | (chroot) livecd / # cd boot/grub
(chroot) livecd grub # dir
device.map grub.conf minix_stage1_5 stage2.old
e2fs_stage1_5 grub.conf.sample reiserfs_stage1_5 stage2_eltorito
fat_stage1_5 iso9660_stage1_5 splash.xpm.gz ufs2_stage1_5
ffs_stage1_5 jfs_stage1_5 stage1 vstafs_stage1_5
glidevice.map menu.lst stage2 xfs_stage1_5 |
Found another command, maybe this will be useful: | Code: | (chroot) livecd / # fdisk -lu
Disk /dev/sda: 160.0 GB, 160040803840 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312579695 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0xdc3edc3e
Device Boot Start End Blocks Id System
/dev/sda1 * 63 41945714 20972826 7 HPFS/NTFS
/dev/sda2 41945715 312576704 135315495 5 Extended
/dev/sda5 41945778 251754614 104904418+ 7 HPFS/NTFS
/dev/sda6 251754678 252750644 497983+ 82 Linux swap / Solaris
/dev/sda7 * 252750708 312576704 29912998+ 83 Linux
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Please, help me! |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54300
Location: 56N 3W
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| Posted: Sun Jan 18, 2009 10:42 pm Post subject: |
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RusBog,
Please help us to help you, post the information that DONAHUE asked for.
| Code: | | tune2fs -l /dev/sda7 | grep "Inode size" |
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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RusBog
n00b
Joined: 16 Jan 2009
Posts: 8
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| Posted: Mon Jan 19, 2009 6:19 am Post subject: |
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Sorry, I forgot to answer this question:
| Code: | livecd ~ # tune2fs -l /dev/sda7 | grep "Inode size"
Inode size: 256 |
After that, I have done what DONAHUE has advised me, but as I said, was stuck at |
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Tin
Guru
Joined: 22 Dec 2005
Posts: 305
Location: Namur, Belgium
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| Posted: Mon Jan 19, 2009 10:49 am Post subject: |
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| RusBog wrote: | It looks like it worked as expected, till I insert:
What I'm getting as output is: | Code: | grub> setup (hd0)
Checking if "/boot/grub/stage1" exists... no
Checking if "/grub/stage1" exists... no
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Could you check that inside boot, you have a link named boot pointing to the current directory ?
| Code: |
cd /boot
ls -l
lrwxrwxrwx 1 root root 1 Dec 27 19:17 boot -> .
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If not, you should create it :
| Code: |
cd /boot
ln -s boot .
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_________________
Tin, the gentoobie |
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DONAHUE
Watchman
Joined: 09 Dec 2006
Posts: 7651
Location: Goose Creek SC
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| Posted: Mon Jan 19, 2009 2:52 pm Post subject: |
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Sorry, I forgot to tell you to update portage with emerge --sync before emerging grub; so enter the chroot and run:
| Code: | emerge --sync
emerge -av grub |
which should return something like:
| Quote: | # emerge -av grub
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild R ] sys-boot/grub-0.97-r6 USE="ncurses -custom-cflags -netboot -static" 0 kB
Total: 1 package (1 reinstall), Size of downloads: 0 kB
Would you like to merge these packages? [Yes/No] |
sys-boot/grub-0.97-r6 being the critical part.
If you get 97.6 or greater say yes, allow grub to emerge, then run:
| Code: | grub
root (hd0,6) # should return file system type
setup(hd0) # should tell you that it embedded stage 1.5
quit |
[/code]
and reboot should succeed. |
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RusBog
n00b
Joined: 16 Jan 2009
Posts: 8
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| Posted: Mon Jan 19, 2009 8:20 pm Post subject: |
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It works!! Thank you very-very much!
(But now I have another problem - when I log-in, I have a strange environment with some buttons, and only valuable option is opening console. I think, it isn't gnome environment. What is wrong, and what is the right topic to ask for help?) |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54300
Location: 56N 3W
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| Posted: Mon Jan 19, 2009 8:49 pm Post subject: |
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RusBog,
Try a post in Desktop Environments. There are several graphical log in managers and I cannot tell which one you have.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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aegbert
n00b
Joined: 02 Feb 2009
Posts: 1
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| Posted: Mon Feb 02, 2009 3:01 pm Post subject: |
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I do not know if this will help or not, but another option would be to turn off the hard drive probing in grub at start.
Add <drive>=noprobe to kernel line
i.e. hda=noprobe
I found this information at this location
http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux |
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Installing Gentoo
