#13211: Upgrade GAP to 4.5.6
-----------------------------------------------------------+----------------
Reporter: kini | Owner:
tbd
Type: enhancement | Status:
needs_work
Priority: major | Milestone:
sage-5.5
Component: packages | Resolution:
Keywords: orphaned processes | Work issues:
Report Upstream: Completely fixed; Fix reported upstream | Reviewers:
Dmitrii Pasechnik
Authors: Volker Braun | Merged in:
Dependencies: #13123, #13579 | Stopgaps:
-----------------------------------------------------------+----------------
Comment (by jdemeyer):
Running `strace` on such a `gap` process shows:
{{{
getrusage(RUSAGE_SELF, {ru_utime={97, 710000}, ru_stime={0, 200000}, ...})
= 0
write(1, "@!", 2) = -1 EIO (Input/output error)
getrusage(RUSAGE_SELF, {ru_utime={97, 740000}, ru_stime={0, 200000}, ...})
= 0
write(1, "@!", 2) = -1 EIO (Input/output error)
getrusage(RUSAGE_SELF, {ru_utime={97, 770000}, ru_stime={0, 200000}, ...})
= 0
write(1, "@!", 2) = -1 EIO (Input/output error)
getrusage(RUSAGE_SELF, {ru_utime={97, 800000}, ru_stime={0, 200000}, ...})
= 0
write(1, "@!", 2) = -1 EIO (Input/output error)
getrusage(RUSAGE_SELF, {ru_utime={97, 830000}, ru_stime={0, 200000}, ...})
= 0
}}}
[...]
{{{
getrusage(RUSAGE_SELF, {ru_utime={116, 940000}, ru_stime={0, 200000},
...}) = 0
write(1, "@!", 2) = -1 EIO (Input/output error)
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
Process 12608 detached
}}}
It looks like it's stuck in an infinite loop until it finally segfaults,
which is almost certainly not what's supposed to happen.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13211#comment:107>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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