Re: [uml-user] guest kernel does not boot

[Blaisorblade <bla...@ya...>]

On Wednesday 31 August 2005 03:15, zz zz wrote:
> I am unable to boot a UML guest kernel. Thanks in
> advance for any help.
=46rom the output, probably fix /etc/inittab not to refer to Devfs names.
> Here is what I did.
>
> Host kernel
> patched 2.6.11.10 with skas3-v8.2
>
> Guest kernel
> make mrproper
> make xconfig ARCH=3Dum
That's wrong. Do instead:
rm .config
make defconfig ARCH=3Dum
(it's needed because otherwise it could use the host config from /boot)
make xconfig ARCH=3Dum
> make linux ARCH=3Dum
>
> I got the root fs from
> www.stearns.org/uml-root/root_fs.fc-3-base.pristine.20050605.bz2
> and after unziping saved it as root_fs.2005060501

> I booted the machine with the host kernel, but when i
> start the guest with the following cmd line

> ./vmlinux ubd0=3Droot_fs.2005060501
>
> it kept restarting with the following output:
>
> Checking for /proc/mm...not found
> Checking PROT_EXEC mmap in /tmp...OK
> tracing thread pid =3D 4273
> Linux version 2.6.11.10-sttcp-UML
> (ro...@at...) (gcc
> version 3.4.2 20041017 (Red Hat 3.4.2-6.fc3)) #1 Mon
> Aug 29 19:29:16 MDT 2005
> Built 1 zonelists
> Kernel command line: ubd0=3Droot_fs.2005060501 root=3D98:0
> PID hash table entries: 256 (order: 8, 4096 bytes)
> Dentry cache hash table entries: 8192 (order: 3, 32768
> bytes)
> Inode-cache hash table entries: 4096 (order: 2, 16384
> bytes)
> Memory: 29320k available
> Mount-cache hash table entries: 512 (order: 0, 4096
> bytes)
> Checking for host processor cmov support...Yes
> Checking for host processor xmm support...No
> 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 that host ptys support output SIGIO...Yes
> Checking that host ptys support SIGIO on close...No,
> enabling workaround
> Checking for /dev/anon on the host...Not available
> (open failed with errno 2)
> NET: Registered protocol family 16
> mconsole (version 2) initialized on
> /root/.uml/K1nB8F/mconsole
> ubd: Synchronous mode
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 1024 (order 0, 4096
> bytes)
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered
> NET: Registered protocol family 2
> IP: routing cache hash table of 512 buckets, 4Kbytes
> TCP established hash table entries: 2048 (order: 2,
> 16384 bytes)
> TCP bind hash table entries: 2048 (order: 1, 8192
> bytes)
> TCP: Hash tables configured (established 2048 bind
> 2048)
> 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
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> VFS: Mounted root (ext3 filesystem) readonly.
> Warning: unable to open an initial console.
> Restarting system.
>
>
>
> Any help is greatly appreciated. thanks!
>
> -googol

=2D-=20
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade

	

	
		
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