When I log in and the battery monito applet is used but the battery is removed I get a segf and lxpanel restart again and again: lxpanel[9362]: segfault at 0 ip 49b9cb44 sp bf9393bc error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9365]: segfault at 0 ip 49b9cb44 sp bfce115c error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9367]: segfault at 0 ip 49b9cb44 sp bfc92a6c error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9369]: segfault at 0 ip 49b9cb44 sp bfb0b86c error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9371]: segfault at 0 ip 49b9cb44 sp bfd092ec error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9373]: segfault at 0 ip 49b9cb44 sp bfb98f6c error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9374]: segfault at 0 ip 49b9cb44 sp bfb6baac error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9377]: segfault at 0 ip 49b9cb44 sp bfa9436c error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9380]: segfault at 0 ip 49b9cb44 sp bf83ba1c error 4 in libc-2.9.so[49b1f000+168000] lxpanel[9382]: segfault at 0 ip 49b9cb44 sp bfd6287c error 4 in libc-2.9.so[49b1f000+168000] I cannot make a bt because the DE starts the panel itself.
Adding upstream bug link (the summary of that bug needs to be more clear), please comment over there if you still experience problems with lxpanel 0.5.3
Fixed in lxpanel svn r1950 and commited in portage