On Tuesday 10 May 2005 13:30, Gerd Knorr wrote: > Blaisorblade <[EMAIL PROTECTED]> writes: > > > I remember there was a patch for uml, changing the architecture to > > > i586, forcing glibc not to use /lib/tls. > > > > > > Someone knows where I can find it ? > > > > It's in > > http://www.suse.de/~kraxel/uml/patches/ > > named uml-pretend-to-be-i586 (browse the appropriate subdir). > > Note that this is a pretty distribution-specific thing. For a few > packages where it actually matters performance-wise suse ships i586 > and i686 packages (where the i686 versions really use i686 features > and thus don't work on i586 machines any more). glibc is one of them. > The installer then decides which of the two it wants to install. > > For suse versions <= 9.1 the i586 version also was built without tls > support, so the hack mentioned above used to worked fine. It doesn't > work any more with recent suse distributions. Not sure about other > vendors. But that patch is still in your tree, it seems (or did you miss the time to release the current tree?) Tried an uml-pretend-to-be-i486?
> > > The thing is: if I do a 'apt-get upgrade' I have a good chance that the > > > system is half-dead after then. > The debian people have some crazy stuff in the packaging system, IIRC > it's possible for package to fiddle with files belonging to _other_ > packages (and dpkg will take care that these changes survive package > updates). I think it's possible to create some pseudo package which > simply moves the tls libs out of the way permanently. I've never > played with that stuff though. > > Exporting in the environment LD_ASSUME_KERNEL=2.4.1 should also work, and > > is a bit more reliable in theory (because a distro *could* compile > > /lib/tls to even work on i486, I've heard; since no distro does it, this > > remains theory). > Drawback is that there are allways some corner cases where it doesn't > work. suid-root binaries for example are usually pretty strict in > what they accept from the environment for security reasons. Interesting point. Could someone check (and possibly fix) the Wiki about this issue? -- Paolo Giarrusso, aka Blaisorblade Skype user "PaoloGiarrusso" Linux registered user n. 292729 http://www.user-mode-linux.org/~blaisorblade ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_id=7393&alloc_id=16281&op=click _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
