Re: [Qemu-devel] user emulation status?

[Martin Mohring]

Hi,

is there a place to put testresults for svn snapshots?

Martin

Martin Mohring wrote:
> Hi,
>
> I am one of the developers of the openSUSE Buildservice (OBS), and 
> also the maintainer of the developer/test packages for OBS. OBS is an 
> automated system for compiling, testing and distributing packages, 
> projects and even complete distribtions on basis of .rpm or .deb 
> architectures (even windows/solaris/macos planned). Currently, we 
> support build for all major linux distribtions Fedora, openSUSE, 
> Debian, RHEL, SLES and Ubuntu.
>
> Recently, I have added support for cross-build to OBS, our first 
> target was Debin:Etch/arm and Maemo 4.1. I could now successfully 
> setup a buildenvironment for Debian:Etch/arm and compile lots of the 
> packages. The cross-build support we have implemented is based on: see 
> these two articles here 
> <http://lizards.opensuse.org/2008/08/31/hackweek-day-2-cross-build-with-obs-part-1/> 
> and here 
> <http://lizards.opensuse.org/2008/09/01/hackweek-day-3-cross-build-with-obs-part-2/>. 
> In the meantime, we have now a completely automated patch, so we can 
> use the normal OBS scheduler and so on (the only remaining issues were 
> the fakeroot-tcp vs. fakeroot-sysv and the /proc/sys/vm/mmap_min_addr 
> issue).
>
> To sum it up, our OBS can instantiate all linux distributions you can 
> think of in a chroot (even on basis of the original prebuild binary 
> .rpm or .deb), and can though be ideally be used for testing qemu in 
> all situations you can think of. Since we do not want to use qemu 
> system emulation for the obvious reasons, we would like qemu user mode 
> to just work.
>
> I would be happy to share with you your patches for qemu-arm user mode 
> to get Debian/Maemo builds working.
>
> I wrote already an e-mail on this here, but no reaction. Also, I am 
> too busy atm with development.
>
> Martin
>
> Riku Voipio wrote:
> > On Sun, Sep 07, 2008 at 10:28:54PM +0200, Tomasz Chmielewski wrote:
> >   
> > > Debian Etch supports ARM, SPARC, PPC and MIPS, so I only tested those on 
> > > x86 PC.
> > >     
> >
> > Notice that etch doesn't use many of new syscalls introduced recently,
> > and doesn't use TLS/NPTL on many archs. So it's not really a very hard
> > test for qemu-user.
> >
> >   
> > > Are you people interested in running processes in a foreign chroot (i.e. 
> > > ARM chroot on x86 PC)?
> > >     
> >
> > Yes. And I need to get my lazy ass off and start cleaning maemo/debian
> > linux-user patches and propose them here.
> >
> >   
> > > I wanted to set up some daily automated tests which would fetch current 
> > > SVN, build for ARM, MIPS, PPC and SPARC targets, try to install Debian 
> > > with debootstrap in a chroot.
> > >     
> >
> > Since what we are actually emulating, is linux kernel syscall interface,
> > the most exhaustive test would be LTP. but debootstrapping debian is
> > good smoketest. Other nice tests could be perl/python/glibc testsuites.
> >
> >