I've tried the amd64 version. Everything looks fine, no more SIGILL.
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https://bugs.launchpad.net/bugs/1122030
Title:
trap invalid opcode in libopenblas
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** Changed in: openblas (Ubuntu)
Status: Incomplete = Fix Released
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https://bugs.launchpad.net/bugs/1122030
Title:
trap invalid opcode in libopenblas
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this might be fixed in 0.2.6 as it has a bulldozer dgemm kernel which does not
use the femms instruction.
Can you install the package from raring and try?
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Hi!
I can try, but as far as I can see, raring currently only has 2.5.1:
http://packages.ubuntu.com/raring/libopenblas-base
But for what it's worth, I pulled the openblas source from github on the 15.
Februrary and that runs without problems.
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sorry the syncing took longer than I expected, 0.2.6 is now available in
raring-proposed:
https://launchpad.net/ubuntu/+source/openblas/0.2.6-1~exp1
it would be good if you could give the packages a try too (click on amd64 or
i386 under Builds for the packages)
thanks
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~$ dpkg -l \*blas\* | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version
Hi Thomas,
Can you include the output ofcat /proc/cpuinfo so we can see what
instructions your CPU is claiming it can do?
Also, I think a backtrace would help; I *think* you should find you have
some log files in /var/crash , I'm guessing that from this test they'll
appear to be
Attacked to this message you will find the result of `cat /proc/cpuinfo`
** Attachment added: result of cat /proc/cpuinfo
https://bugs.launchpad.net/ubuntu/+source/openblas/+bug/1122030/+attachment/3524609/+files/cpuinfo
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Sorry for posting this in a separate message, but I didn't figure out
how to attach more than 1 file to a message. Unfortunately apport-cli
doesn't work on my end, giving me the following:
~$ apport-cli -u 1122030 /var/crash/_usr_bin_python2.7.1000.crash
ERROR: The launchpadlib Python module is
Hi Thomas,
Thanks - that's looking the same as bug 1117335 (which is libblas rather than
openblas), but I think you're in the same function.
Can you confirm exactly which version of libopenblas you have; can you do:
dpkg -l \*blas\* | cat
Thanks,
Dave
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http://devgurus.amd.com/thread/159993 maybe - they removed 3DNow from
some newer chips; my disassembly of that core of yours is that it's a
femms instruction which is what that thread discusses; looks like blas
makes too many assumptions.
** Changed in: openblas (Ubuntu)
Importance: Undecided
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