I'm trying to consolidate hardware and uml looks like a better solution then
qemu. Is this true? (Flame shell up)
But, the bigger issue is related to real images of systems not booting on user
mode linux.
I have install a base system from ubuntu 6.10, ubuntu-6.10-server-i386.iso.
The image is 1GB is size and is located on /dev/sde1
qemu -hda /dev/sde1 boots.
real hardware boots.
User mode linux halts.
host# sudu su
./vmlinux-2.6.16-bb1 \
umid=b \
con=pts con0=fd:0,fd:1\
ubd0=/dev/sde1 \
UML# /etc/fstab
proc /proc proc defaults 0 0
# /dev/sda
/dev/ubda / ext3 defaults,errors=remount-ro 0 1
#/dev/ubda1 / ext3 defaults,errors=remount-ro 0 1
#/dev/ubda / ext3 defaults 0 1
#/dev/ubda1 / ext3 defaults 0 1
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...OK
Checking advanced syscall emulation patch for ptrace...OK
Checking for tmpfs mount on /dev/shm...OK
Checking PROT_EXEC mmap in /dev/shm/...OK
Checking for the skas3 patch in the host:
- /proc/mm...not found
- PTRACE_FAULTINFO...not found
- PTRACE_LDT...not found
UML running in SKAS0 mode
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...OK
Checking advanced syscall emulation patch for ptrace...OK
Linux version 2.6.18.1-bb2 ([EMAIL PROTECTED]) (gcc version 4.0.3 (Ubuntu
4.0.3-1ubuntu5)) #1 Sat Oct 21 03:42:42 CEST 2006
Built 1 zonelists. Total pages: 8192
Kernel command line: con=pts con0=fd:0,fd:1 ubd0=/dev/sde1 root=98:0
PID hash table entries: 256 (order: 8, 1024 bytes)
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Memory: 28896k available
Mount-cache hash table entries: 512
Checking for host processor cmov support...Yes
Checking for host processor xmm support...No
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
Using 2.6 host AIO
NET: Registered protocol family 16
NET: Registered protocol family 2
IP route cache hash table entries: 256 (order: -2, 1024 bytes)
TCP established hash table entries: 1024 (order: 0, 4096 bytes)
TCP bind hash table entries: 512 (order: -1, 2048 bytes)
TCP: Hash tables configured (established 1024 bind 512)
TCP reno registered
Checking host MADV_REMOVE support...OK
mconsole (version 2) initialized on /root/.uml/b/mconsole
ubd: Synchronous mode
Host TLS support detected
Detected host type: i386
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
loop: loaded (max 8 devices)
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
Initialized stdio console driver
Console initialized on /dev/tty0
Initializing software serial port version 1
ubda: unknown partition table
VFS: Mounted root (ext2 filesystem) readonly.
Warning: unable to open an initial console.
I have copied the disk to an image file and had the same output.
host# sudo su
mount /dev/sde1 ./mnt
mount -o loop b.img ./img
cd img
rsync -aH ../mnt/ ./
cd ..
cp -r ./lib/* ./img/lib/
I have also replaces the tried each of the following:
vmlinux-2.6.16.9-bs2
vmlinux-2.6.16-bb1
vmlinux-2.6.18.1-bb2
I have been able to boot images I've created with debootstrap from the ubuntu
repositories but I need to be able to migrate to and from live systems.
I've tried everything I could find. Can anyone point out the error.
Thank you for your time.
Nicholas A. Schembri
State College PA USA
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