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Do NOT report bugs when a package is just outdated, or it is in the AUR. Use the 'flag out of date' link on the package page, or the Mailing List.
REPEAT: Do NOT report bugs for outdated packages!
https://wiki.archlinux.org/title/Bug_reporting_guidelines
Do NOT report bugs when a package is just outdated, or it is in the AUR. Use the 'flag out of date' link on the package page, or the Mailing List.
REPEAT: Do NOT report bugs for outdated packages!
FS#50228 - [atlas-lapack-base] Illegal instruction on AMD A8-3850
Attached to Project:
Community Packages
Opened by Timo Strunk (strunk) - Tuesday, 02 August 2016, 09:57 GMT
Last edited by Antonio Rojas (arojas) - Thursday, 04 August 2016, 19:38 GMT
Opened by Timo Strunk (strunk) - Tuesday, 02 August 2016, 09:57 GMT
Last edited by Antonio Rojas (arojas) - Thursday, 04 August 2016, 19:38 GMT
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DetailsDescription:
After upgrading to the recent atlas-lapack-base version 3.10.3-1: Python and matplotlib cause illegal instruction errors in libcblas.so. Additional info: * illegal instruction: atlas-lapack-base 3.10.3-1 * working: atlas-lapack-base 3.10.2-1 * cpu flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid aperfmperf eagerfpu pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt hw_pstate vmmcall arat npt lbrv svm_lock nrip_save pausefilter * CPU model: AMD A8-3850 * cpuinfo attached. An identical error occured in ubuntu 12.04: http://stackoverflow.com/questions/22236263/python-matplotlib-illegal-instruction And Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=581761 Steps to reproduce: Open Python and enter: >>> import matplotlib.pylab >>> pylab.plot([1,2,3,4]) Result: Illegal Instruction libcblas.so reported in dmesg. Workaround: Downgrade to atlas-lapack-base 3.10.2-1 and everything works fine. 
cpuinfo.txt
(3.9 KiB)
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This task depends upon
Closed by Antonio Rojas (arojas)
Thursday, 04 August 2016, 19:38 GMT
Reason for closing: Won't fix
Additional comments about closing: Package dropped, use atlas-lapack from AUR
Thursday, 04 August 2016, 19:38 GMT
Reason for closing: Won't fix
Additional comments about closing: Package dropped, use atlas-lapack from AUR
Comment by Antonio Rojas (arojas) -
Wednesday, 03 August 2016, 06:18 GMT
Please test http://pkgbuild.com/~arojas/atlas-lapack-base-3.10.3-2-x86_64.pkg.tar.xz
Comment by Timo Strunk (strunk) -
Wednesday, 03 August 2016, 09:48 GMT
Works! Thank you!