FS#54761 - Sagemath – Segmentation fault (core dumped)

Attached to Project: Community Packages
Opened by Philip (Thrash) - Monday, 10 July 2017, 16:30 GMT
Last edited by Antonio Rojas (arojas) - Monday, 10 July 2017, 18:35 GMT
Task Type Bug Report
Category Packages
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:


Additional info:
* package version(s)
* config and/or log files etc.


Steps to reproduce:

sage: A=matrix(2,(i,i,i,1))
sage: A.jordan_form(QQbar)

This task depends upon

Closed by  Antonio Rojas (arojas)
Monday, 10 July 2017, 18:35 GMT
Reason for closing:  Not a bug
Comment by Antonio Rojas (arojas) - Monday, 10 July 2017, 17:23 GMT
Can't reproduce, please post a full backtrace
Comment by Philip (Thrash) - Monday, 10 July 2017, 17:33 GMT
There is no backtrace because I'm immediately thrown out of Sage back to the usual terminal.
Comment by Antonio Rojas (arojas) - Monday, 10 July 2017, 17:35 GMT
You should be able to retrieve it with 'coredumpctl gdb'
Comment by Philip (Thrash) - Monday, 10 July 2017, 17:39 GMT
PID: 7917 (python2)
UID: 1000 (sandy)
GID: 1001 (sandy)
Signal: 11 (SEGV)
Timestamp: Mon 2017-07-10 18:37:29 +01 (1min 18s ago)
Command Line: python2 /usr/bin/sage-ipython -i
Executable: /usr/bin/python2.7
Control Group: /user.slice/user-1000.slice/session-c2.scope
Unit: session-c2.scope
Slice: user-1000.slice
Session: c2
Owner UID: 1000 (sandy)
Boot ID: 59240ec571224345b947b655afc1b331
Machine ID: fbbd17f9bd224f90b9f609a0ae876f30
Hostname: sandy-pc
Storage: /var/lib/systemd/coredump/core.python2.1000.59240ec571224345b947b655afc1b331.7917.1499708249000000000000.lz4
Message: Process 7917 (python2) of user 1000 dumped core.

Stack trace of thread 7917:
#0 0x00007fac4bafde07 x86_64_fallback_frame_state (libgcc_s.so.1)
#1 0x00007fac4baff9b8 _Unwind_Backtrace (libgcc_s.so.1)
#2 0x00007fac5fcd2a28 __backtrace (libc.so.6)
#3 0x00007fac536b5187 n/a (signals.so)
#4 0x00007fac536b5d05 n/a (signals.so)
#5 0x00007fac536b8267 n/a (signals.so)
#6 0x00007fac5ff8e940 __restore_rt (libpthread.so.0)
#7 0x00007fabec8f9f78 _ZN5GiNaC3ptrINS_5basicEED2Ev (expression.so)
#8 0x00007fabec8f3567 n/a (expression.so)
#9 0x0000000000000014 n/a (n/a)

Failed to invoke gdb: No such file or directory
Comment by Antonio Rojas (arojas) - Monday, 10 July 2017, 17:46 GMT
which version of pynac?
Comment by Philip (Thrash) - Monday, 10 July 2017, 17:48 GMT
0.7.9-3
Comment by Antonio Rojas (arojas) - Monday, 10 July 2017, 17:49 GMT
Please update your system and try again, latest pynac is 0.7.9-4
Comment by Philip (Thrash) - Monday, 10 July 2017, 18:34 GMT
OK thanks, it works! This report can be deleted.

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