Hi Brice, Thanks for the workaround -- it works very good. Attached please find the two output file after run hwloc-gather-cpuid. Let me after this is fixed!
thanks, Jianjun On Sun, Jan 31, 2016 at 9:48 PM, Brice Goglin <brice.gog...@inria.fr> wrote: > Thanks for the debugging. I guess VMware doesn't properly emulate the > CPUID instruction. > > Please do: > 1) take a tarball from git master at > https://ci.inria.fr/hwloc/job/master-0-tarball/ and build it > 2) export HWLOC_COMPONENTS=-x86 in your terminal > 3) do utils/hwloc/hwloc-gather-cpuid > 4) tar cfj cpuid.tbz2 foo and send that cpuid.tbz2 > > Step (3) might do an infinite loop for the same reason, please replace > for(i=0; ; i++) { > with > for(i=0; i<10; i++) { > everywhere in utils/hwloc/hwloc-gather-cpuid.c > > This tarball will help me find what's buggy in VMware CPUID instruction. > > > In the meantime, you can fix your hwloc by exporting HWLOC_COMPONENTS=-x86 > in your environment. > > If somebody knows how do detect vmware by looking under /proc or /sys, we > could use that to automatically set that environment variable. > > thanks > Brice > > > > > > Le 01/02/2016 05:59, Jianjun Wen a écrit : > > I did a debug build. Found it loops forever in this loop in > topology-x86.c:404. > > > /* Get package/core/thread information from cpuid 0x0b > * (Intel x2APIC) > */ > if (cpuid_type == intel && has_x2apic(features)) { > unsigned level, apic_nextshift, apic_number, apic_type, apic_id = 0, > apic_shift = 0, id; > for (level = 0; ; level++) { > ecx = level; > eax = 0x0b; > hwloc_x86_cpuid(&eax, &ebx, &ecx, &edx); > if (!eax && !ebx) > break; > } > > On Sun, Jan 31, 2016 at 8:30 PM, Christopher Samuel < > <sam...@unimelb.edu.au>sam...@unimelb.edu.au> wrote: > >> On 01/02/16 15:09, Jianjun Wen wrote: >> >> > 0x00007ffff7bce13c in look_proc () from /lib64/libhwloc.so.5 >> > >> > Always the same place. >> >> pstack on the process when stuck might give more of an insight as it >> should give more of a stack trace. >> >> Also running lstopo under strace should show what it is trying to do at >> that point. >> >> All the best, >> Chris >> -- >> Christopher Samuel Senior Systems Administrator >> VLSCI - Victorian Life Sciences Computation Initiative >> Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545 >> http://www.vlsci.org.au/ http://twitter.com/vlsci >> >> _______________________________________________ >> hwloc-users mailing list >> hwloc-us...@open-mpi.org >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users >> Link to this post: >> http://www.open-mpi.org/community/lists/hwloc-users/2016/01/1251.php >> > > > > -- > -Jianjun Wen > Wancube.com - 3D photography > Phone: 408 888 7023 > > > _______________________________________________ > hwloc-users mailing listhwloc-us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > > Link to this post: > http://www.open-mpi.org/community/lists/hwloc-users/2016/01/1252.php > > > > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > Link to this post: > http://www.open-mpi.org/community/lists/hwloc-users/2016/02/1254.php > -- -Jianjun Wen Wancube.com - 3D photography Phone: 408 888 7023
aaa.output
Description: Binary data
aaa.tar.bz2
Description: BZip2 compressed data
