dell d610 kernel 2.4.27 -> 2.6.15 transition boot problem
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here is /boot/grub/menu.lst excerpts for the 2.6.15 part and the WinXP part:
title Debian GNU/Linux, kernel 2.6.15
kernel /boot/vmlinuz-2.6.15 root=/dev/hda4 ro
title Microsoft Windows XP Professional
and here is /boot/grub/device.map:
Do I need to make a hd to sd transition for sata? What do I do about the WinXP boot info in menu.lst, leave it as is ?
Do I need to modify menu.lst, fstab and device.map files to get this 2.6.15 working?
then I run update-grub and reboot?
(I don't want to lose boot option to Windows if modifying Grub - this is my machine for work!)
If GRUB crashes what does one do - use a LiveCD to Boot and try to repair Grub?
for those not read top post, boots OK on 2.4.27 using /dev/hda4
message is for 2.6.15 VFS: cannot open root device sda4 on unknown-block(0,0)
kernel panic unable to mount root fs
this is after modifying following in /boot/grub and /etc/
I manage to rescue, and revert back to 2.4.27, via a Knoppix LiveCD (kernel 2.6.11) which itself sees all partitions as /dev/sdax
This is really just changing /dev/hda instances to /dev/sda ones (that's what most of my google searches show up as necessary,
modify device.map menu.lst, fstab for kernel sata support..?)
# kopt=root=/dev/sda4 ro
title Debian GNU/Linux, kernel 2.6.15
kernel /boot/vmlinuz-2.6.15 root=/dev/sda4 ro
## following will boot OK if I reset fstab "sda" back to "hda"
title Debian GNU/Linux, kernel 2.4.27-2-386
kernel /boot/vmlinuz-2.4.27-2-386 root=/dev/hda4 ro
points on above:
does kopt field need changing?
Is an initrd necessary , see the 2.4 kernel uses one.
I've checked, there is a /boot/vmlinuz-2.5.15 file there
Got it to Boot finally
hidden in .config file , following needs setting:
# CONFIG_BLK_DEV_IDE_SATA is not set
then of course in /boot/grub/menu.lst change all root=/dev/hda instances to root=/dev/sda (for the 2.6.x kernel you're booting)
also change "hda" instances in /etc/fstab to sda
(when certain versions failed to boot, I rescued via a Knoppix liveCD via which you can re-edit fstab back to hda to get the old 2.4 kernel version working (probably there's a more elegant way - sometimes I got into 2.4 console mode without having to do this). As this was 2.6.11 based this also let you see how it mounts all the partitions)
I am experiencing the same issue at the moment. I've been having it for a whle, but I was never able to fix it. So I was very happy to find out that you figured out what the actual problem is. Unfortunately I'm not as knowledgeable about my dear Debian as you seem to be. So I don't really know how to use your case to solve mine. Maybe you could help on this. My Linux partition is /dev/hdb1 mounted on /mnt/hdb1 (sda is my external HD only containing data).
0000:00:00.0 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
0000:00:00.1 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
0000:00:00.2 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
0000:00:00.3 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
0000:00:00.4 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
0000:00:00.7 Host bridge: VIA Technologies, Inc. K8M800 Host Bridge
0000:00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge [K8T800/K8T890 South]
0000:00:0a.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01)
0000:00:0b.0 USB Controller: NEC Corporation USB (rev 43)
0000:00:0b.1 USB Controller: NEC Corporation USB (rev 43)
0000:00:0b.2 USB Controller: NEC Corporation USB 2.0 (rev 04)
0000:00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
0000:00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
0000:00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
0000:00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
0000:00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
0000:00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
0000:00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 78)
0000:00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
0000:00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
0000:00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
0000:00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
0000:01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev a1)