[sage-devel] Re: sage-5.0 serious bug: segfaults in basic linear algebra?

2012-06-08 Thread Dima Pasechnik
On 2012-06-08, William Stein wrote: > On Fri, Jun 8, 2012 at 10:58 AM, Justin C. Walker wrote: >> >> On Jun 7, 2012, at 16:19 , William Stein wrote: >> >>> Hi Sage-Devel, >>> >>> I'm randomly running into segfaults when multiplying matrices over the >>> integers, in the course of doing basic modu

Re: [sage-devel] Re: sage-5.0 serious bug: segfaults in basic linear algebra?

2012-06-08 Thread William Stein
On Fri, Jun 8, 2012 at 2:54 AM, Volker Braun wrote: > For the record, I didn't get any segfaults when running > > for i in `seq 0 1000` ; do sage -c 'print > ModularSymbols(389,sign=0).cuspidal_submodule().decomposition()[0]' ; done > > on sage-5.1.beta2 and Fedora 17. It could be an OS X thing.

Re: [sage-devel] Re: sage-5.0 serious bug: segfaults in basic linear algebra?

2012-06-08 Thread Jan Pöschko
On Friday, June 8, 2012 11:54:58 AM UTC+2, Volker Braun wrote: > > For the record, I didn't get any segfaults when running > > for i in `seq 0 1000` ; do sage -c 'print > ModularSymbols(389,sign=0).cuspidal_submodule().decomposition()[0]' ; done > > on sage-5.1.beta2 and Fedora 17. > > I just ran

Re: [sage-devel] Re: sage-5.0 serious bug: segfaults in basic linear algebra?

2012-06-08 Thread Volker Braun
For the record, I didn't get any segfaults when running for i in `seq 0 1000` ; do sage -c 'print ModularSymbols(389,sign=0).cuspidal_submodule().decomposition()[0]' ; done on sage-5.1.beta2 and Fedora 17. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe

Re: [sage-devel] Re: sage-5.0 serious bug: segfaults in basic linear algebra?

2012-06-07 Thread William Stein
On Thu, Jun 7, 2012 at 4:41 PM, Nils Bruin wrote: > On Jun 7, 4:19 pm, William Stein wrote: >> Hi Sage-Devel, >> >> I'm randomly running into segfaults when multiplying matrices over the >> integers, in the course of doing basic modular symbols calculations. >> For example, sometimes (but not alw

[sage-devel] Re: sage-5.0 serious bug: segfaults in basic linear algebra?

2012-06-07 Thread Nils Bruin
On Jun 7, 4:19 pm, William Stein wrote: > Hi Sage-Devel, > > I'm randomly running into segfaults when multiplying matrices over the > integers, in the course of doing basic modular symbols calculations. > For example, sometimes (but not always), this crashes: > > sage: M = ModularSymbols(389,sign=