Bug#633402: aspectc++: FTBFS (kfreebsd): deeper syncronization trouble?

July 09th, 2011 - 05:10 pm ET by Christoph Egger | Report spam
Package: src:
Version:
Severity: normal
Tags: sid wheezy

Hi!

AspectC++ fails to build in parallel on kFreeBSD due to a corrupted
file which is accessed concurrently during build. Reinhard told me hs
traced it down to some [0] non-functional syncronization primitive.

Relating to the llvm problem, where the testsuite hung when running
in parallel and the hang in python2.6 and python2.7 test suite that runs
parallelization related stuff made me think whether it's a more general
problem -- maybe we have some problem in glibc here?

Filling as a aspectc++ bug as aspectc++ is definitely affected and
putting debian-bsd@ in debbugs-cc in hope someone finds time to
investigate.

Full build log at
https://buildd.debian.org/status/fe...&stamp09539673

Regards

Christoph

[0] Forgot the name again I'm horribly bad at remembering those
shortened C identifiers.
9FED 5C6C E206 B70A 5857 70CA 9655 22B9 D49A E731
Debian Developer | Lisp Hacker | CaCert Assurer

A. Because it breaks the logical sequence of discussion
Q. Why is top posting bad?



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#1 Petr Salinger
July 11th, 2011 - 03:00 am ET | Report spam
AspectC++ fails to build in parallel on kFreeBSD due to a corrupted
file which is accessed concurrently during build. Reinhard told me hs
traced it down to some [0] non-functional syncronization primitive.


...
[0] Forgot the name again I'm horribly bad at remembering those
shortened C identifiers.



...

maybe we have some problem in glibc here?



Do you have a test case ?

The current gcc is more agressive in reordering, may be we miss
some clobber in inline asm somewhere.

Petr




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