I mean that running the following command gets the following output when
attempting to use kernel32.2.6.21.2-am1:

----------------------------
[EMAIL PROTECTED]:/etc/uml$ sudo /etc/uml/asimov.sh
asimovtap
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: No such file or directory
  - PTRACE_FAULTINFO...not found
  - PTRACE_LDT...not found
UML running in SKAS0 mode

[EMAIL PROTECTED]:/etc/uml$
-----------------------------


For reference, /etc/uml/asimov.sh is a shell script that looks like this:

----------------------------
#!/bin/sh -e

# Set global variables
HOST_IP="72.250.226.61"
GUEST_IP="72.250.226.60"
USER="jtaylor"
TAP="asimovtap"
MEMORY="64M"

# make a tap interface (fake ethernet link that the host and guest
communicate via
tunctl -u $USER -b -t $TAP
ifconfig $TAP $HOST_IP up netmask 255.255.255.255

# tell the host how to talk to the uml
route add -host $GUEST_IP dev $TAP

# make the host forward low level ip packets from umls to local subnet
# This lets routers and stuff know how to find the uml
echo 1 > /proc/sys/net/ipv4/conf/$TAP/proxy_arp

# now do it back the other way to the uml
arp -Ds $GUEST_IP eth0 pub

# Crank up UMLs
# screen -d -m -S $USER su - $USER -c "cd /home/$USER ; /usr/bin/linux
ubda=root_fs ubdb=swap eth0=tuntap,$TAP mem=$MEMORY"
su - $USER -c "cd /home/$USER ; /usr/bin/linux ubda=root_fs ubdb=swap
eth0=tuntap,$TAP mem=$MEMORY"
-------------------------------------------------

Note that I commented out the use of screen so that I could generate
that output for you, and that the last lines are being turned into
multiple lines by my email client but that they are not in the shell script.

As I said before, I've found that most of the kernels I download from
either Antoine or Blaisorblade don't work (with this bug).  Some of them
do, and I update my kernel as often as I can to keep up with the latest
bug fixes.

Jonas


Jeff Dike wrote:
> On Wed, May 30, 2007 at 11:15:05PM -0400, Jonas Meyer wrote:
>> Sadly, I can't get anything more recent to run.  This might be a part of
>> a broader issue, but most of the precompiled binaries that I download
>> off of your site wont work.  I'll admit I may not have tried them all,
>> but the most recent one will not boot a vm at all on that host.
> 
> "Won't work" means what, exactly?
> 
>                               Jeff
> 

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