John Baldwin wrote: > On Wednesday 09 September 2009 1:38:59 pm John Baldwin wrote: > >> On Wednesday 09 September 2009 12:32:51 pm Vincent Hoffman wrote: >> >>> Hi all, >>> I've been running the 8.0-BETAs in a xen virtual machine >>> (hvm/fully virtualised) for testing and something between r196730 and >>> r196746 causes a general protection fault on boot. I'll try and narrow >>> it down if i get a chance but I'm a a bit busy at the moment. >>> >>> backtrace is available at >>> http://unsane.co.uk/~jhary/freebsd/GPF-09-09-09.gif >>> Xen dom0 is a centos5.3 box using the xen-3.3.1 rpms from >>> http://www.gitco.de/linux/i386/centos/5/rpms/ if thats of any use. >>> >>> Let me know if I need to provide any more info. >>> >> Hmm, can you try reverting 196737? Or actually, can you print out the value >> of %ebx ('p $ebx' in ddb will work I think)? I wonder if this patch would >> fix it: >> >> Index: pmap.c >> =================================================================== >> --- pmap.c (revision 196974) >> +++ pmap.c (working copy) >> @@ -999,7 +999,7 @@ >> * coherence domain. >> */ >> mfence(); >> - for (; sva < eva; sva += cpu_clflush_line_size) >> + for (; sva <= eva; sva += cpu_clflush_line_size) >> clflush(sva); >> mfence(); >> } else { >> > > This patch is probably bogus. I am curious what %ebx is however. > > p $ebx gives c25a7000
Vince _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
