Bug 820094
Summary: | Invalid opcode (SIGILL) in glibc triggered by asterisk | ||||||
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Product: | [Fedora] Fedora | Reporter: | Mathieu Chouquet-Stringer <mathieu-acct> | ||||
Component: | asterisk | Assignee: | Jeffrey C. Ollie <jeff> | ||||
Status: | CLOSED WONTFIX | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
Severity: | high | Docs Contact: | |||||
Priority: | unspecified | ||||||
Version: | 17 | CC: | itamar, jakub, jeff, law, lmadsen, rbryant, schwab, thedogfarted | ||||
Target Milestone: | --- | ||||||
Target Release: | --- | ||||||
Hardware: | x86_64 | ||||||
OS: | Linux | ||||||
Whiteboard: | |||||||
Fixed In Version: | Doc Type: | Bug Fix | |||||
Doc Text: | Story Points: | --- | |||||
Clone Of: | Environment: | ||||||
Last Closed: | 2013-08-01 01:07:13 UTC | Type: | Bug | ||||
Regression: | --- | Mount Type: | --- | ||||
Documentation: | --- | CRM: | |||||
Verified Versions: | Category: | --- | |||||
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
Cloudforms Team: | --- | Target Upstream Version: | |||||
Embargoed: | |||||||
Attachments: |
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Description
Mathieu Chouquet-Stringer
2012-05-09 07:05:04 UTC
This is an asterisk problem. i_nint is a function within asterisk which calls _floor (f2clib.c): #ifdef KR_headers double floor(); integer i_nint(x) real *x; #else #undef abs #include "math.h" integer i_nint(real *x) #endif { return( (integer)((*x)>=0 ? floor(*x + .5) : -floor(.5 - *x)) ); } The inlined definition of floor from glibc which uses roundsd is protected with: # if defined __SSE4_1__ && (__WORDSIZE == 64 || defined __SSE2_MATH__) # if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 So from this we can conclude that asterisk's f2clib.c was compiled and either __SSE4_1__ or__SSE2_MATH_ was defined. glibc is doing exactly what it was asked to to -- use the SSE 4.1 ISA. Reassigning to asterisk. I got hit by this, too. Rebuilding the RPMs locally fixed this - apparently Asterisk build process is using optimizations specific to the build CPU. Created attachment 585448 [details]
Output of /proc/cpuinfo
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