On Saturday 23 July 2005 12:45, Nix wrote: > On Fri, 22 Jul 2005, [EMAIL PROTECTED] yowled: > > On Friday 22 July 2005 18:53, Ruaidhri Power wrote: > >> On Thu, Jul 21, 2005 at 01:23:46AM +0200, Blaisorblade wrote: > >> > Which was the old UML version? Which is your guest distro? > >> > Also, have you tested the old UML releases on this new host kernel > >> > version? Since UML address space is getting shrinked down to 32M, I > >> > fear address space randomization (introduced in 2.6.12) may be playing > >> > a role.
> >> It looks like VA space randomization is the culprit. The problem only > >> shows up when the host is 2.6.12, and can be solved by setting the > >> kernel.randomize_va_space sysctl to zero. Thanks for the pointer there. > [...] > > Doesn't this disappear when shutting off address space randomization? > Odd. I'm using a 2.6.13.2 host Either 2.6.13-rc3 or 2.6.12.3. > and 2.6.11.9-bs5 guest, and > randomize_va_space works fine. It worked fine when I had a 2.6.12.x host, > as well. In fact, it works fine here too and I never had to worry... But I tested mostly SKAS mode (and that is a *big* difference). I tested somehow TT mode too, however, so things are not clear for me. > Is there something subarch-specific here (unlikely), or is it Yet > Another bad NPTL interoperation or something like that? I don't think NPTL could matter *at all*, but I'm not sure. -- Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!". Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894) http://www.user-mode-linux.org/~blaisorblade ___________________________________ Yahoo! Messenger: chiamate gratuite in tutto il mondo http://it.beta.messenger.yahoo.com ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&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