On Tuesday 28 March 2006 02:16, David Lang wrote: > On Mon, 27 Mar 2006, Christopher S. Aker wrote: > > David Lang wrote: > >> what could I do to assist in tracking down what is causing the > >> contention?
> > Are you running a skas3-patched host kernel? You didn't mention if you > > were running in 32bit mode. I don't believe there's a skas patch for > > 64bit kernels (yet). IMO, skas3 is required what you're after. > > http://www.user-mode-linux.org/~blaisorblade/patches/skas3-2.6/ > sorry, the host is a dual Opteron 252 with 8G of ram running 2.6.16 (which > I understood included the skas patch) No, it doesn't if you don't patch it. Add the patch, but you can't run them in full SKAS3; you can pass "mode=skas0" to force skas0 mode, but you can then also pass "noprocmm" to force half SKAS3. > > Sounds to me like you're running those UMLs in TT mode. If you > > can't/aren't going to patch your host with skas3, at least run a recent > > 2.6-um kernel in skas0 mode, which doesn't require a host kernel patch. > they are running in skas mode, staticly compiled. the um's are 32-bit > 2.6.16 TT mode disabled to enable static linking. the systems finish the > boot sequence after useing about 12 min of cpu time each. > > Use tmpfs mount for TMPDIR, as UML will use that to store its memory > > file. > very little disk activity is takeing place during this time these are all > COW root images from a ~300M base image He's talking about UML's ram, not about disk images - that's mmapped from a file in $TMPDIR (normally /tmp). -- 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! Mail: gratis 1GB per i messaggi e allegati da 10MB http://mail.yahoo.it ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
