Re: UML troubles
Thanks, I will try your packages later this week.
Dmitry
On Wednesday 18 August 2004 21:39, Ralph Paßgang <ralph@debianbase.de> wrote:
> Hi,
>
> i had the same problems on the debian 2.4.26-1um2 uml kernel with a host
> machine WITHOUT grsec kernel... The 2.4.26-1um1 worked without any problem.
>
> I think there was a bug report on the debian BTS but if I remeber correctly
> the Maintainer can't reproduce this.
>
> I think the debian uml package is quite outdated. I compiled and debianized
> a 2.6.6 uml for my own needs and for the small isp for which I work for.
>
> I plan to compile a 2.6.8 package as soon as the 2.6.8 uml patch becomes
> available.
>
> If you are interessted in my user-mode-linux package, then add these line
> to your sources.list
>
> deb http://packages.debianbase.de/<sid/sarge>/i386/uml-exp ./
> deb-src http://packages.debianbase.de/sources/uml-exp
> (choose sid or sage for <sid/sarge>)
>
> You should think about taking a up-to-date 2.6 kernel for your host system
> too, and for the performance and the security you should include the
> host-skas3 patch to your host kernel.
>
> sorry, I don't have any host-kernel with skas patch as package available
> for download, but for me the 2.6.6 patch with a clean 2.6.6 kerne-source
> (debian) worked perfect.
>
> --Ralph
>
> Am Montag 16 August 2004 19:34 schrieb Dmitry Golubev:
> > Hi!
> >
> > Maybe someone has tried UML kernel on grsec machine? I took that Debian
> > precompiled UML kernel, run it with "linux root=/servers/moon
> > " (that /servers/moon is one of my production servers' ext2 partition
> > image), but UML says:
> >
> > ...
> > mconsole (version 2) initialized on /root/.uml/N7Jm6p/mconsole
> > unable to open root_fs for validation
> > Initializing stdio console driver
> > NET4: Linux TCP/IP 1.0 for NET4.0
> >
> > And that's all... no further messages, nothing. The modules required for
> > this kernel has been put inside the image. The host kernel is with grsec
> > patches,. and it tells in /var/log something about resource overstep:
> >
> > Aug 16 17:13:51 localhost kernel: grsec: attempted resource overstep by
> > requesting 494927872 for RLIMIT_STACK against limit 8388608
> > by /usr/bin/linux[linux:29530] uid/euid:0/0 gid/egid:0/0,
> > parent /usr/bin/linux[linux:2566] uid/euid:0/0 gid/egid:0/0
> >
> >
> > Any ideas?
> > Thanks,
> > Dmitry
Reply to: