Re: [xslt] libxml2-2.6.19 -- "make check" segfaults

On Wed, Apr 13, 2005 at 03:09:57PM +0200, Peter Breitenlohner wrote:
> Hi Daniel,

  hum, wrong list, this should go to the xml gnome org one. Could be a
good idea to also double check your subscriptions, I had to manually 
approve your mail.

> when running 'make check' for libxml2-2.6.19 (on ix86 linux/gnu) I got this
> output:
> ## Running the API regression tests this may take a little while
> xmlRegisterCharEncodingHandler: NULL handler !
> /bin/sh: line 1: 31824 Segmentation fault      ( ./testapi -q )
> make[2]: [APItests] Error 139 (ignored)
> ## Reader regression tests
> In order to find out the cause for the Segmentation fault I ran ./testapi by
> hand (without '-q') and got:
> ...
> Testing parser : 60 of 69 functions ...
> Segmentation fault
> whereas doing the same for libxml2-2.6.17, I got
> ...
> Testing parser : 60 of 69 functions ...
> Testing parserInternals : 33 of 90 functions ...
> ...
> Thus it seems the Segmentation fault occurs inside test_parser. Inserting
> additional print statements into this function I further pinned this down to
> test_xmlCtxtReadFile, where it occurs already for the first iteration,
> i.e., n_ctxt=n_filename=n_encoding=n_options=0.
> ========================
> This is probably a problem with the test program, but since I'm not sure I
> somewhat hesitate to install this new version.

  I certainly ran make tests before doing the release, both on Linux i386
and x86_64 and didn't got that problem. The best you can do is run the 
program under valgrind with the --db-attach=yes option and then post the
stack trace you get on the error. Or you can run it directly under gdb
and post the stack trace too.
  I checked this test on really weird architecture like linux/s390 and 
linux/ppc64 and didn't got the problem. I think 2.6.19 is safe to use
but would still like to get more debug informations on that error your got.


Daniel Veillard      | Red Hat Desktop team
veillard redhat com  | libxml GNOME XML XSLT toolkit | Rpmfind RPM search engine

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