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From: Martin Wam <maw@esito.no>
Subject: Re: Fwd: Possible bug in subversion
Date: Thu, 22 Jan 2015 12:31:26 +0000 (UTC)
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Philip Martin <philip.martin <at> wandisco.com> writes:

> 
> Martin Wam <maw <at> esito.no> writes:
> 
> > We are also experiencing the same issues on AIX 7.1 (having tried 
all 
> > versions from 1.8.5 to 1.8.10). A backtrace from the coredump shows:
> >
> > Core was generated by `svn'.
> > Program terminated with signal SIGSEGV, Segmentation fault.
> > #0  0xd82f169c in apr_palloc () from /usr/local/apr/lib/libapr-1.so
> > (gdb) bt
> > #0  0xd82f169c in apr_palloc () from /usr/local/apr/lib/libapr-1.so
> > #1  0xd83165dc in apr_mmap_create () from /usr/local/apr/lib/libapr-
1.so
> > #2  0xd6ad9030 in serf_bucket_file_create () from /usr/lib/libserf-
1.so
> > #3  0xd806ae00 in create_update_report_body () from 
> > /usr/lib/libsvn_ra_serf-1.so
> > #4  0xd805c5a4 in setup_request () from /usr/lib/libsvn_ra_serf-1.so
> > #5  0xd805c520 in setup_request_cb () from /usr/lib/libsvn_ra_serf-
1.so
> > #6  0xd6ad2f14 in write_to_connection () from /usr/lib/libserf-1.so
> > #7  0xd6ad3d6c in serf.process_connection () from /usr/lib/libserf-
1.so
> > #8  0xd6ad227c in serf_event_trigger () from /usr/lib/libserf-1.so
> > #9  0xd6ad2158 in serf_context_run () from /usr/lib/libserf-1.so
> > #10 0xd806a83c in finish_report () from /usr/lib/libsvn_ra_serf-1.so
> > #11 0xd7ed6c24 in svn_wc_crawl_revisions5 () from 
/usr/lib/libsvn_wc-
> > 1.so
> > #12 0xd7e857b0 in update_internal () from /usr/lib/libsvn_client-
1.so
> > #13 0xd7e85fd8 in svn_client.update_internal () from 
> > /usr/lib/libsvn_client-1.so
> > #14 0xd7e84f30 in svn_client.checkout_internal () from 
> > /usr/lib/libsvn_client-1.so
> > #15 0xd7e85060 in svn_client_checkout3 () from 
/usr/lib/libsvn_client-
> > 1.so
> 
> That looks as if it could be a problem with APR's mmap support on AIX.
> Which version of APR are you using?  Did you build the APR binaries
> yourself?  Did whoever built the binaries run the APR regression 
tests?
> 

We are using apr version 1.5.1-1 downloaded from perzl.org[1]. An 
earlier version, 1.4.8-1, gives the same results. We have also tried 
building the binaries ourself.

We do get a few test failures running them locally, however they do not 
seem to be related to the above issue.

[1]: http://www.perzl.org/aix/index.php?n=Main.Apr