On Friday 20 October 2006 00:18, Michael Richardson wrote: > >>>>> "Michael" == Michael Richardson <[EMAIL PROTECTED]> writes: > > Michael> The fault may well be Xen's. I'm looking for other > experiences, Michael> yeah or nay. > > I built a tree on my laptop as I normally do. It runs etch, and as does my > debian XenU. With 2.6.15 UML guest on my laptop, everything is fine. > > Same binary running under a XenU, goes into R state under XenU:
I forget - XenU is an unprivileged guest, and Xen0 is the main one IIRC (vaguely) - if that is an unprivileged guest have you tried on the root one? > 5749 pts/1 Ss+ 0:00 /bin/sh > /0i/sandboxes/UMLPOOL/260ocf/umlbuild/east/st 5750 pts/1 R+ 2:33 > /0i/sandboxes/UMLPOOL/260ocf/umlbuild/swan26/linux in 5756 pts/1 S+ > 0:00 /0i/sandboxes/UMLPOOL/260ocf/umlbuild/swan26/linux in 5757 pts/1 S+ > 0:00 /0i/sandboxes/UMLPOOL/260ocf/umlbuild/swan26/linux in 5758 pts/1 > S+ 0:00 /0i/sandboxes/UMLPOOL/260ocf/umlbuild/swan26/linux in 5759 > pts/1 T+ 1:19 [linux] > > It looks like this happens as soon as the scheduler is enabled. > mode=tt WORKS. > > Running uml_mconsole east sysrq t: > > Checking that ptrace can change system call numbers...OK > Checking syscall emulation patch for ptrace...OK > Checking advanced syscall emulation patch for ptrace...OK > Checking PROT_EXEC mmap in /tmp...OK > Checking for the skas3 patch in the host: > - /proc/mm...not found > - PTRACE_FAULTINFO...not found > - PTRACE_LDT...not found > UML running in SKAS0 mode > > <BIG PAUSE ******> > > Linux version 2.6.15 ([EMAIL PROTECTED]) (gcc version 4.1.2 > 20060901 (pr erelease) (Debian 4.1.1-13)) #2 Thu Oct > 19 17:29:21 EDT 2006 Built 1 zonelists A strace -t (or whichever option shows the timings) would help finding _where_ is the big pause... -- Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!". Paolo Giarrusso, aka Blaisorblade http://www.user-mode-linux.org/~blaisorblade Chiacchiera con i tuoi amici in tempo reale! http://it.yahoo.com/mail_it/foot/*http://it.messenger.yahoo.com ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
