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Revision 30 - (show annotations)
Sun Oct 2 20:03:27 2005 UTC (14 years ago) by adx
Original Path: ircd-hybrid/BUGS
File size: 2411 byte(s)
- imported sources
- can be moved later according to the directory/branching scheme,
  but we need the svn up

1 Known Bugs worthy of a mention:
2 --------------------------------------------------------------------------------
3
4 1. /MODUNLOAD causes cores:
5 - If a module is modified before being unloaded, /MODUNLOAD (and
6 therefore /MODRELOAD) may cause a core.
7
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.
13
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.
17
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.
22
23 2. Solaris stock 32bit stdio is limited to 256 fds. This breaks when using
24 cryptlinks.
25
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.
32
33 This is a quick test program
34 libc_vprintf
35 cc -o libc_vprintf libc_vprintf.c
36 ./libc_vprintf
37
38 If the program doesn't core, you are fine.
39
40 The work around is the vprintf_fix.patch in contrib.
41 (Reported by several people, fix and test by David)
42
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:
45
46 https://sourceforge.net/tracker/?atid=409046&group_id=33573&func=browse
47
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).
51
52 For information how to get a gdb backtrace, see INSTALL (near the end of file).
53
54 --------------------------------------------------------------------------------
55 $Id: BUGS,v 7.60 2005/07/07 18:03:33 adx Exp $

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