[  310.065494] gnome-panel[4820]: segfault at 36 ip 00007f36cdbc5510 sp 00007fffbbff11d8 error 4 in libgnome-menu.so.2.4.2[7f36cdbc1000+18000]
[  311.027746] gnome-panel[4915]: segfault at 36 ip 00007f123b082510 sp 00007fff79ae9578 error 4 in libgnome-menu.so.2.4.2[7f123b07e000+18000]
[  311.611457] gnome-panel[4931]: segfault at 36 ip 00007f18aa896510 sp 00007fffcd680f48 error 4 in libgnome-menu.so.2.4.2[7f18aa892000+18000]
[  312.235805] gnome-panel[4950]: segfault at 36 ip 00007f5788a82510 sp 00007fffbee87f28 error 4 in libgnome-menu.so.2.4.2[7f5788a7e000+18000]
[  312.859373] gnome-panel[4956]: segfault at 36 ip 00007f79bcab2510 sp 00007fffdcfce808 error 4 in libgnome-menu.so.2.4.2[7f79bcaae000+18000]
[  313.371520] gnome-panel[4964]: segfault at 36 ip 00007fab2773b510 sp 00007ffff4f014c8 error 4 in libgnome-menu.so.2.4.2[7fab27737000+18000]
[  313.970312] gnome-panel[4970]: segfault at 36 ip 00007fbb5cfe0510 sp 00007fffb568e698 error 4 in libgnome-menu.so.2.4.2[7fbb5cfdc000+18000]
[  314.508333] gnome-panel[4975]: segfault at 36 ip 00007fe20e3df510 sp 00007fff48bbbac8 error 4 in libgnome-menu.so.2.4.2[7fe20e3db000+18000]
[  315.108261] gnome-panel[4978]: segfault at 36 ip 00007fa77fe67510 sp 00007fff68888c48 error 4 in libgnome-menu.so.2.4.2[7fa77fe63000+18000]
[  315.727859] gnome-panel[4983]: segfault at 36 ip 00007fe589843510 sp 00007fff32225348 error 4 in libgnome-menu.so.2.4.2[7fe58983f000+18000]
[  316.347026] gnome-panel[4989]: segfault at 36 ip 00007f29311f2510 sp 00007fffe3f39848 error 4 in libgnome-menu.so.2.4.2[7f29311ee000+18000]
[  316.867162] gnome-panel[4994]: segfault at 36 ip 00007f432fa20510 sp 00007ffff4ea1c08 error 4 in libgnome-menu.so.2.4.2[7f432fa1c000+18000]
[  317.491545] gnome-panel[4998]: segfault at 36 ip 00007fea96e67510 sp 00007fff10e7e848 error 4 in libgnome-menu.so.2.4.2[7fea96e63000+18000]
[  318.153923] gnome-panel[5003]: segfault at 36 ip 00007f1b74a2d510 sp 00007fffa286b1c8 error 4 in libgnome-menu.so.2.4.2[7f1b74a29000+18000]
[  318.901785] gnome-panel[5016]: segfault at 36 ip 00007f65343c7510 sp 00007fffd8cda458 error 4 in libgnome-menu.so.2.4.2[7f65343c3000+18000]
[  319.667465] gnome-panel[5043]: segfault at 36 ip 00007ff840e90510 sp 00007fffb672bce8 error 4 in libgnome-menu.so.2.4.2[7ff840e8c000+18000]
[  320.408822] gnome-panel[5071]: segfault at 36 ip 00007f0318b14510 sp 00007fff6efdfa48 error 4 in libgnome-menu.so.2.4.2[7f0318b10000+18000]
[  321.144461] gnome-panel[5079]: segfault at 36 ip 00007f66cab9f510 sp 00007fffe29c0b28 error 4 in libgnome-menu.so.2.4.2[7f66cab9b000+18000]
[  321.885588] gnome-panel[5088]: segfault at 36 ip 00007f8e5d709510 sp 00007fffb7ddcf48 error 4 in libgnome-menu.so.2.4.2[7f8e5d705000+18000]
[  322.637209] gnome-panel[5096]: segfault at 36 ip 00007f90dc2cf510 sp 00007fff268ef328 error 4 in libgnome-menu.so.2.4.2[7f90dc2cb000+18000]
[  323.247191] gnome-panel[5105]: segfault at 36 ip 00007f44e72c5510 sp 00007fffd5427e38 error 4 in libgnome-menu.so.2.4.2[7f44e72c1000+18000]
[  324.136855] gnome-panel[5111]: segfault at 36 ip 00007f208ff94510 sp 00007fff84a8b1a8 error 4 in libgnome-menu.so.2.4.2[7f208ff90000+18000]
[  324.906813] gnome-panel[5116]: segfault at 36 ip 00007febe9ecd510 sp 00007fff27ced178 error 4 in libgnome-menu.so.2.4.2[7febe9ec9000+18000]
[  325.748667] gnome-panel[5128]: segfault at 36 ip 00007f827e01d510 sp 00007fff6824c658 error 4 in libgnome-menu.so.2.4.2[7f827e019000+18000]
[  326.562512] gnome-panel[5137]: segfault at 36 ip 00007f687e411510 sp 00007fffc600e168 error 4 in libgnome-menu.so.2.4.2[7f687e40d000+18000]
[  327.261652] gnome-panel[5145]: segfault at 36 ip 00007f116fb42510 sp 00007fff70d92248 error 4 in libgnome-menu.so.2.4.2[7f116fb3e000+18000]
[  327.890246] gnome-panel[5152]: segfault at 36 ip 00007fed836e1510 sp 00007fff73b75318 error 4 in libgnome-menu.so.2.4.2[7fed836dd000+18000]
[  328.630053] gnome-panel[5156]: segfault at 36 ip 00007f32711f9510 sp 00007fff47530d28 error 4 in libgnome-menu.so.2.4.2[7f32711f5000+18000]
[  329.397062] gnome-panel[5161]: segfault at 36 ip 00007f325172b510 sp 00007fffb55aff68 error 4 in libgnome-menu.so.2.4.2[7f3251727000+18000]
[  330.140230] gnome-panel[5171]: segfault at 36 ip 00007fb2c6704510 sp 00007ffff0f72988 error 4 in libgnome-menu.so.2.4.2[7fb2c6700000+18000]
[  330.780799] gnome-panel[5180]: segfault at 36 ip 00007eff481cf510 sp 00007fffb5eeee98 error 4 in libgnome-menu.so.2.4.2[7eff481cb000+18000]
[  331.414319] gnome-panel[5186]: segfault at 36 ip 00007fe1ae369510 sp 00007fff12f4a8b8 error 4 in libgnome-menu.so.2.4.2[7fe1ae365000+18000]
[  332.156711] gnome-panel[5190]: segfault at 36 ip 00007f15edf1c510 sp 00007fff301de868 error 4 in libgnome-menu.so.2.4.2[7f15edf18000+18000]
[  332.853415] gnome-panel[5196]: segfault at 36 ip 00007f4c82835510 sp 00007fff6eb8d978 error 4 in libgnome-menu.so.2.4.2[7f4c82831000+18000]
[  333.510683] gnome-panel[5205]: segfault at 36 ip 00007fd3d8a41510 sp 00007fffa29151c8 error 4 in libgnome-menu.so.2.4.2[7fd3d8a3d000+18000]
[  334.153671] gnome-panel[5209]: segfault at 36 ip 00007fcd7d05b510 sp 00007fff02c62848 error 4 in libgnome-menu.so.2.4.2[7fcd7d057000+18000]
[  33.808076] gnome-panel[5212]: segfault at 36 ip 00007f8744b3e510 sp 00007fff2c013ac8 error 4 in libgnome-menu.so.2.4.2[7f8744b3a000+18000]
[  335.566178] gnome-panel[5215]: segfault at 36 ip 00007f37c9e06510 sp 00007fff17064898 error 4 in libgnome-menu.so.2.4.2[7f37c9e02000+18000]
[  336.312432] gnome-panel[5227]: segfault at 36 ip 00007f19364bd510 sp 00007fffc2403748 error 4 in libgnome-menu.so.2.4.2[7f19364b9000+18000]
[  337.009956] gnome-panel[5236]: segfault at 36 ip 00007f24ca333510 sp 00007fffdc9ce3a8 error 4 in libgnome-menu.so.2.4.2[7f24ca32f000+18000]
[  337.795750] gnome-panel[5246]: segfault at 36 ip 00007ff3c5b54510 sp 00007fffa80d2558 error 4 in libgnome-menu.so.2.4.2[7ff3c5b50000+18000]
[  338.711308] gnome-panel[5261]: segfault at 36 ip 00007fa1d54f2510 sp 00007fff42eef3c8 error 4 in libgnome-menu.so.2.4.2[7fa1d54ee000+18000]

How to gather any more information to get this one solved? (Very annoying not to have gnome-panel ;)