Version:           inconnu (using 3.5.9, Kubuntu (hardy) 4:3.5.9-0ubuntu7.1)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.24-19-generic

gilbert@perso:~$ kstart --desktop 2 --waitforwm  konsole 
X Error: BadAtom (invalid Atom parameter) 5
  Major opcode:  20
  Minor opcode:  0
  Resource id:  0x0
*** glibc detected *** kstart: free(): invalid pointer: 0xb7e06147 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7b38a85]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb7b3c4f0]
/usr/lib/libX11.so.6(XFree+0x1d)[0xb71fd98d]
/usr/lib/libkdecore.so.4(_ZN12KApplication16parseCommandLineEv+0x252)[0xb7ef5292]
/usr/lib/libkdecore.so.4(_ZN12KApplicationC1Ebb+0x209)[0xb7ef7679]
kstart[0x804cac5]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe0)[0xb7ae3450]
kstart(_ZN7QObject16checkConnectArgsEPKcPKS_S1_+0xf9)[0x804b4a1]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 08:03 3420043    /usr/bin/kstart
0804f000-08050000 rw-p 00006000 08:03 3420043    /usr/bin/kstart
08050000-080b7000 rw-p 08050000 00:00 0          [heap]
b6c00000-b6c21000 rw-p b6c00000 00:00 0
b6c21000-b6d00000 ---p b6c21000 00:00 0
b6d80000-b6d86000 r--s 00000000 08:03 2355401    /var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-x86.cache-2
b6d86000-b6d89000 r--s 00000000 08:03 2355387    /var/cache/fontconfig/e383d7ea5fbe662a33d9b44caf393297-x86.cache-2
b6d89000-b6d8a000 r--s 00000000 08:03 2355375    /var/cache/fontconfig/e3fa16a14183b06aa45b3e009278fd14-x86.cache-2
b6d8a000-b6d8e000 r--s 00000000 08:03 2355369    /var/cache/fontconfig/921a30a17f0be15c70ac14043cb7a739-x86.cache-2
b6d8e000-b6d8f000 r--s 00000000 08:03 2355368    /var/cache/fontconfig/c69f04ab05004e31a6d5e715764f16d8-x86.cache-2
b6d8f000-b6d90000 r--s 00000000 08:03 2355359    /var/cache/fontconfig/4c73fe0c47614734b17d736dbde7580a-x86.cache-2
b6d90000-b6d93000 r--s 00000000 08:03 2355356    /var/cache/fontconfig/a755afe4a08bf5b97852ceb7400b47bc-x86.cache-2
b6d93000-b6d9a000 r--s 00000000 08:03 2355353    /var/cache/fontconfig/6d41288fd70b0be22e8c3a91e032eec0-x86.cache-2
b6d9a000-b6d9d000 r--s 00000000 08:03 2355345    /var/cache/fontconfig/de156ccd2eddbdc19d37a45b8b2aac9c-x86.cache-2
b6d9d000-b6da5000 r--s 00000000 08:03 2355344    /var/cache/fontconfig/e3de0de479f42330eadf588a55fb5bf4-x86.cache-2
b6da5000-b6dad000 r--s 00000000 08:03 2355335    /var/cache/fontconfig/0f34bcd4b6ee430af32735b75db7f02b-x86.cache-2
b6dad000-b6dae000 r--s 00000000 08:03 2355332    /var/cache/fontconfig/4794a0821666d79190d59a36cb4f44b5-x86.cache-2
b6dae000-b6db1000 r--s 00000000 08:03 2355326    /var/cache/fontconfig/de9486f0b47a4d768a594cb4198cb1c6-x86.cache-2
b6db1000-b6db8000 r--s 00000000 08:03 2355316    /var/cache/fontconfig/d52a8644073d54c13679302ca1180695-x86.cache-2
b6db8000-b6dbd000 r--s 00000000 08:03 2355313    /var/cache/fontconfig/105b9c7e6f0a4f82d8c9b6e39c52c6f9-x86.cache-2
b6dbd000-b6dc6000 r--s 00000000 08:03 2355300    /var/cache/fontconfig/089dead882dea3570ffc31a9898cfb69-x86.cache-2
b6dc6000-b6dc8000 r--s 00000000 08:03 2355267    /var/cache/fontconfig/e13b20fdb08344e0e664864cc2ede53d-x86.cache-2
b6dc8000-b6e07000 r--p 00000000 08:03 3483194    /usr/lib/locale/fr_FR.utf8/LC_CTYPE
b6e07000-b6ee8000 r--p 00000000 08:03 3483299    /usr/lib/locale/fr_FR.utf8/LC_COLLATE
b6ee8000-b6eea000 rw-p b6ee8000 00:00 0
b6eea000-b6eee000 r-xp 00000000 08:03 3418942    /usr/lib/libXdmcp.so.6.0.0
b6eee000-b6eef000 rw-p 00003000 08:03 3418942    /usr/lib/libXdmcp.so.6.0.0
b6eef000-b6ef3000 r-xp 00000000 08:03 3418946    /usr/lib/libXfixes.so.3.1.0
b6ef3000-b6ef4000 rw-p 00003000 08:03 3418946    /usr/lib/libXfixes.so.3.1.0
b6ef4000-b6ef5000 rw-p b6ef4000 00:00 0
b6ef5000-b6f14000 r-xp 00000000 08:03 3417742    /usr/lib/libexpat.so.1.5.2
b6f14000-b6f16000 rw-p 0001e000 08:03 3417742    /usr/lib/libexpat.so.1.5.2
b6f16000-b6f18000 r-xp 00000000 08:03 3418931    /usr/lib/libXau.so.6.0.0
b6f18000-b6f19000 rw-p 00001000 08:03 3418931    /usr/lib/libXau.so.6.0.0
b6f19000-b6f30000 r-xp 00000000 08:03 3418578    /usr/lib/libxcb.so.1.0.0
b6f30000-b6f31000 rw-p 00016000 08:03 3418578    /usr/lib/libxcb.so.1.0.0
b6f31000-b6f32000 r-xp 00000000 08:03 3418623    /usr/lib/libxcb-xlib.so.0.0.0
b6f32000-b6f33000 rw-p 00000000 08:03 3418623    /usr/lib/libxcb-xlib.so.0.0.0
b6f33000-b6f34000 rw-p b6f33000 00:00 0
b6f34000-b6f48000 r-xp 00000000 08:03 2076718    /lib/tls/i686/cmov/libpthread-2.7.so
b6f48000-b6f4a000 rw-p 00013000 08:03 2076718    /lib/tls/i686/cmov/libpthread-2.7.so
b6f4a000-b6f4c000 rw-p b6f4a000 00:00 0
b6f4c000-b6f61000 r-xp 00000000 08:03 3417593    /usr/lib/libICE.so.6.3.0
b6f61000-b6f62000 rw-p 00014000 08:03 3417593    /usr/lib/libICE.so.6.3.0
b6f62000-b6f64000 rw-p b6f62000 00:00 0
b6f64000-b6f6b000 r-xp 00000000 08:03 3418923    /usr/lib/libSM.so.6.0.0
b6f6b000-b6f6c000 rw-p 00006000 08:03 3418923    /usr/lib/libSM.so.6.0.0
b6f6c000-b6fd6000 r-xp 00000000 08:03 3419287    /usr/lib/libfreetype.so.6.3.16
b6fd6000-b6fd9000 rw-p 0006a000 08:03 3419287    /usr/lib/libfreetype.so.6.3.16
b6fd9000-b6fea000 r-xp 00000000 08:03 3417879    /usr/lib/libXft.so.2.1.2
b6fea000-b6feb000 rw-p 00010000 08:03 3417879    /usr/lib/libXft.so.2.1.2
b6feb000-b6fed000 r-xp 00000000 08:03 3418954    /usr/lib/libXinerama.so.1.0.0
b6fed000-b6fee000 rw-p 00001000 08:03 3418954    /usr/lib/libXinerama.so.1.0.0
b6fee000-b6fef000 rw-p b6fee000 00:00 0
b6fef000-b6ff7000 r-xp 00000000 08:03 3418342    /usr/lib/libXcursor.so.1.0.2
b6ff7000-b6ff8000 rw-p 00007000 08:03 3418342    /usr/lib/libXcursor.so.1.0.2
b6ff8000-b6ffd000 r-xp 00000000 08:03 3417599    /usr/lib/libXrandr.so.2.1.0
b6ffd000-b6ffe000 rw-p 00005000 08:03 3417599    /usr/lib/libXrandr.so.2.1.0
b6ffe000-b7005000 r-xp 00000000 08:03 3417843    /usr/lib/libXrender.so.1.3.0
b7005000-b7006000 rw-p 00007000 08:03 3417843    /usr/lib/libXrender.so.1.3.0
b7006000-b700d000 r-xp 00000000 08:03 3417976    /usr/lib/libXi.so.6.0.0
b700d000-b700e000KCrash: Application 'kstart' crashing...