Hello,

if this is the wrong place for bugreports, or if I should use the other
list, please tell me. I couldn't find anything on the homepage, but maybe
I overlooked it.

I updated fvwm to 1:2.6.5.ds-1 on Debian Sid (unstable), and now I
experience frequent crashes which dump me back to the xdm login screen.

They happen unpredicatbly when changing or deleting a tab in
iceweasel (which changes the title of the iceweasel window).

I've already disabled window titles in FvmwPager, using

*FvwmPager: SmallFont none

but no change so far. I cannot produce the crashes on purpose, but
they happen frequently enough, so I should be able to do testing.

The Xsession error log contains:

*** glibc detected *** /usr/bin/fvwm2: double free or corruption (out): 
0xb71133f8 ***
======= Backtrace: =========
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x70f01)[0xb7023f01]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0x72768)[0xb7025768]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(cfree+0x6d)[0xb702881d]
/usr/lib/i386-linux-gnu/libX11.so.6(XFreeStringList+0x2c)[0xb76338ec]
======= Memory map: ========
...
b70d6000-b71e0000 r-xp 00000000 08:15 328385     
/usr/lib/i386-linux-gnu/libcairo.so.2.11200.2
...

apparently not on every crash, but often enough. It also contains

[fvwm][convert_charsets]: WARNING -
        Invalid byte sequence during conversion from UTF-8 to ISO-8859-1

I'm not sure if that is related. I also upgraded a lot of librariries, so 
maybe it's really a bug in one library, but it seems to be triggered by 
fvwm, so I'm asking here first.

I'm using Zaphod mode with an Intel driver, and one screen is not connected
ATM, in case that matters.

Any ideas? If necessary, I can compile from CVS and bisect if anyone can point
me to an appropriate version range.

Thanks,

- Dirk




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