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Annotation of /ircd-hybrid/BUGS

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Revision 30 - (hide annotations)
Sun Oct 2 20:03:27 2005 UTC (15 years, 5 months ago) by adx
File size: 2411 byte(s)
- imported sources
- can be moved later according to the directory/branching scheme,
  but we need the svn up

1 adx 30 Known Bugs worthy of a mention:
2     --------------------------------------------------------------------------------
4     1. /MODUNLOAD causes cores:
5     - If a module is modified before being unloaded, /MODUNLOAD (and
6     therefore /MODRELOAD) may cause a core.
8     This problem is caused by the behaviour of the OS, which treats
9     shared libraries differently to executables (modifying the ircd
10     binary whilst it is running would also cause a core, but is denied
11     by the OS). There is no way to fix this at the application level,
12     and fixing the OS to do the right thing is also difficult.
14     A workaround to avoid coring is possible however. To install new
15     modules, first remove or rename the old module, then copy/move the
16     new file into place. /MODUNLOAD will then work successfully.
18     Alternatively, running ./configure with the --disable-shared-modules
19     argument will link all the commands statically, losing the advantages
20     of upgrading at runtime, but reducing the chances of accidentally
21     coring your server.
23     2. Solaris stock 32bit stdio is limited to 256 fds. This breaks when using
24     cryptlinks.
26     3. New bug reported in some 64 bit and powerpc (yellowdog linux) code.
27     This bug is actually in gcc itself, the spec says you don't modify
28     a va_list in libc, but gcc does. The bug manifests itself as
29     immediately coring when anyone types anything on a channel.
30     You will find a quick work around in contrib until this bug in gcc
31     is fixed.
33     This is a quick test program
34     libc_vprintf
35     cc -o libc_vprintf libc_vprintf.c
36     ./libc_vprintf
38     If the program doesn't core, you are fine.
40     The work around is the vprintf_fix.patch in contrib.
41     (Reported by several people, fix and test by David)
43     BUG REPORTS: If you run this code and encounter problems, you should report
44     the bug on our SourceForge.net bug tracker, which you can find at this URL:
46     https://sourceforge.net/tracker/?atid=409046&group_id=33573&func=browse
48     Please include a gdb backtrace and a copy of your defaults.h (if changed),
49     setup.h, and ircd.conf with any report (with passwords and other sensitive
50     information masked).
52     For information how to get a gdb backtrace, see INSTALL (near the end of file).
54     --------------------------------------------------------------------------------
55     $Id: BUGS,v 7.60 2005/07/07 18:03:33 adx Exp $


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