On Fri, Jun 13, 2003 at 03:38:44PM +0200, Christian Jaeger wrote:
> I've experienced 3 lockups in the last few days, all while using
> sparse files. Could also be problems with UML, SKAS, raid5 over loop
> device, or loop devices with vfat files, but it looks like the only
> common thing is sparse files on reiserfs.
>
> 1.) kernel 2.4.20 from debian unstable (= kernel.org kernel with
> quite a few security and other patches), additionally patched with
> kernel-patch-skas 3-1 from debian. Started user-mode-linux using a
> sparse file with an ext2 filesystem on it, using tap0 networking, did
> apt-get upgrade inside this uml (which started to download (and
> already unpack?) quite a bit of stuff), halfway through the whole
> (host) system froze. Still responded to pings, but telnet $host 80
> would not show any activity from running apache. Went to the server
> room, I could change virtual terminals with Alt-<number>, but could
> not log in. Reset.
Were there anything interesting on the console where your kernel outputs
its messages (the host kernel?)?
Any chance to hit say sysrq-T/sysrq-P to find out where CPU spins?
> I'd mainly like to know if all of what I did is supported or not.
Yes it is supported. I am doing this kind of stuff (with uml and skas3)
on reiserfs everyday and everything works just fine with 2.4.19, 1.4.20 and 2.4.21.
Bye,
Oleg
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