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# 1  
New kernel won't boot

I compiled new kernel in linux 10.04 called linux-2.6.26.8-xenomai, it runs alongside the other kernel, but when I want to boot it I get an error message saying:

Code:
Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/sda5 does not exist.

After making the modules and headers
I made the initrd.img with
Code:
update-initramfs -v -c -k 2.6.26.8

And renamed it with
Code:
mv /boot/initrd.img-2.6.26.8 /boot/initrd.img-2.6.26.8-xenomai

The new menu entry is:
Code:
title Xenomai 2.6.26.8 2.5.1
root (hd0,0)
kernel /boot/vmlinuz-2.6.26.8-xenomai root=/dev/hda1 ro
initrd /boot/initrd.img-2.6.26.8-xenomai

Till then all seems well. But still the kernel won't run

To start make bzImage I had to screw around with the menuconfig, amongst others disabling Xenomai because it would otherwise not work.

Here is some boot info, could someone help me out please?


============================= Boot Info Summary: ===============================

=> Windows is installed in the MBR of /dev/sda.

sda1: __________________________________________________________________________

File system: vfat
Boot sector type: Dell Utility: FAT16
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /DELLBIO.BIN /DELLRMK.BIN /COMMAND.COM

sda2: __________________________________________________________________________

File system: ntfs
Boot sector type: Windows XP
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:

sda3: __________________________________________________________________________

File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows Vista
Boot files: /boot.ini /bootmgr /Boot/BCD
/Windows/System32/winload.exe /ntldr /NTDETECT.COM
/wubildr /wubildr.mbr

sda4: __________________________________________________________________________

File system: Extended Partition
Boot sector type: -
Boot sector info:

sda5: __________________________________________________________________________

File system: ntfs
Boot sector type: Windows Vista/7
Boot sector info: According to the info in the boot sector, sda5 starts
at sector 2048.
Operating System: Windows XP
Boot files: /ubuntu/winboot/wubildr /ubuntu/winboot/wubildr.mbr
/ubuntu/disks/root.disk /ubuntu/disks/swap.disk

sda5/Wubi: _____________________________________________________________________

File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 10.04.2 LTS
Boot files: /boot/grub/menu.lst /boot/grub/grub.cfg /etc/fstab

============================ Drive/Partition Info: =============================

Drive: sda _____________________________________________________________________

Code:
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sda1                  63       240,974       240,912  de Dell Utility
/dev/sda2             241,664    21,213,183    20,971,520   7 NTFS / exFAT / HPFS
/dev/sda3    *     21,213,184   215,773,175   194,559,992   7 NTFS / exFAT / HPFS
/dev/sda4         226,013,184   488,394,751   262,381,568   f W95 Extended (LBA)
/dev/sda5         226,015,232   488,394,751   262,379,520   7 NTFS / exFAT / HPFS


"blkid" output: ________________________________________________________________

Code:
Device           UUID                                   TYPE       LABEL

/dev/loop0       90d6c7a5-b740-4f76-aa95-a3698b79e05b   ext4       
/dev/sda1        07D8-0303                              vfat       DellUtility
/dev/sda2        76A4535AA4531BC5                       ntfs       RECOVERY
/dev/sda3        EC8A61468A610F00                       ntfs       
/dev/sda5        66D07AECD07AC23B                       ntfs       NieuwVolume

================================ Mount points: =================================

Code:
Device           Mount_Point              Type       Options

/dev/loop0       /                        ext4       (rw,errors=remount-ro)
/dev/sda5        /host                    fuseblk    (rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other,blksize=4096)


================================ sda3/boot.ini: ================================

--------------------------------------------------------------------------------
Code:
;
;Warning: Boot.ini is used on Windows XP and earlier operating systems.
;Warning: Use BCDEDIT.exe to modify Windows Vista boot options.
;
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(4)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(4)\WINDOWS="Microsoft Windows XP Professional" /NOEXECUTE=OPTIN /FASTDETECT

--------------------------------------------------------------------------------

======================== sda5/Wubi/boot/grub/menu.lst: =========================

--------------------------------------------------------------------------------
Code:
title Xenomai 2.6.26.8 2.5.1
root (hd0,0)
kernel /boot/vmlinuz-2.6.26.8-xenomai root=/dev/hda1 ro
initrd /boot/initrd.img-2.6.26.8-xenomai

--------------------------------------------------------------------------------

Last edited by pludi; 05-28-2011 at 06:57 PM..
# 2  
There is no "linux 10.04", presumably 10.04 is a revision of some distribution or other.

If it can't find sda5, that means it's either not finding your disk because you didn't compile in the right disk controller drivers, or the device's name changed from sda to hda.
# 3  
Appologies, I ment Ubuntu 10.04, still bit of a noob here Smilie
I retried to recompile, after clean, mrporper, olconfig I did a new menuconfig. Now I think I enable as much as possible and set the proccesor family up better (maybe this will do anything good), but it's still quite confusing where to look as I have hardly any idea what those conigurations mean. After a lot of hassle I solved the ipipe_o error, but now it goes on about this;

Code:
  CC      arch/x86/xenomai/hal-common.o
arch/x86/xenomai/hal-common.c: In function ‘rthal_latency_above_max’:
arch/x86/xenomai/hal-common.c:333: error: implicit declaration of function ‘die_nmi’
make[1]: *** [arch/x86/xenomai/hal-common.o] Error 1
make: *** [arch/x86/xenomai] Error 2

I know If I disable Xenomai altogether it should compile, but I think that got me in a mess earlier. Could you please advise on proper config settings?
Thanks.

Last edited by pludi; 05-30-2011 at 06:24 PM..
# 4  
I couldn't tell you, I've never needed to build xenomai. The "proper settings" also depend on your system. You'd also need to build it with the options ubuntu expects, too. Don't suppose you have the configuration for your old kernel handy?
# 5  
Got it, I needed to compile it in a virtual machine Qemu.
This User Gave Thanks to mdop For This Post:
 

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