[sclug] User mode Linux

[Leon Ward]

I also said this was on RH 7.3 (or possibly 8)

The problem is related to the version of UML in the rpm and the kernel you
are running, I have run into this myself.


Check out...
http://groups.google.com/groups?q=Kernel+panic:+outer+trampoline+didn%27t+ex
it+with+SIGKILL&hl=en&lr=&ie=UTF-8&oe=UTF-8&safe=off&selm=20030424073012%242
6bb%40gated-at.bofh.it&rnum=1

Kind of busy but over the weekend ill have another play with it myself,
however I don't have a RH9 box @ home anymore.

What kernel are you running?

-Leon


-----Original Message-----
From: Tom Dawes-Gamble [mailto:tmdg at uksr.hp.com]
Sent: 12 September 2003 15:14
To: sclug at sclug.org.uk
Subject: [sclug] User mode Linux


Hi,

I thought I'd give UML a go after wednesdays chat.

So I have a Red Hat 9 box.

I installed  user_mode_linux-2.4.19.5um-0.i386.rpm  no problems.
downloaded root_fs_toms1.7.205.bz2 and unpacked it and renamed it to
root_fs
then ran

[root at redhat uml]# pwd
/uml
[root at redhat uml]# ll
total 15433
drwx------    2 root     root        12288 Apr 29 10:36 lost+found
-rw-------    1 tmdg     tmdg     15728640 Sep 11 16:29 root_fs
[root at redhat uml]# linux
tracing thread pid = 13362
Linux version 2.4.19-5um (jdike at uml.karaya.com) (gcc version 2.96
20000731 (Red
Hat Linux 7.1 2.96-81)) #2 Mon Sep 16 15:41:15 EDT 2002
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/ubd0
Calibrating delay loop... 514.41 BogoMIPS
Memory: 30192k available
Dentry cache hash table entries: 4096 (order: 3, 32768 bytes)
Inode cache hash table entries: 2048 (order: 2, 16384 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 8192 (order: 3, 32768 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 that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
Kernel panic: outer trampoline didn't exit with SIGKILL
  
[root at redhat uml]#


Leon you said it worked out of the box  :-)  Doesn't need any patches
you said.  so what did I do wrong?

Tom


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