I think I have a similar error.
I have similar error in 2.2.2, 2.2.3 and 2.2.3 & wx self compiled, with or without optimisation enabled, amuled or amule. (cryptotest passed)
backtrace for amule:
Current version is: aMule 2.2.3 using wxGTK2 v2.8.9
Running on: Linux 2.6.27-9-generic i686
[2] CamuleApp::OnFatalException() in amule [0x808beb1]
[3] wxFatalSignalHandler in /usr/lib/libwx_baseu-2.8.so.0[0xb763b5e6]
[4] ?? in [0xb7f31400]
[5] CUpDownClient::ClearDownloadBlockRequests() in amule [0x809cb71]
[6] CUpDownClient::SetDownloadState(unsigned char) in amule [0x80d5b08]
[7] CUpDownClient::Disconnected(wxString const&, bool) in amule [0x809ceee]
[8] CClientList::ProcessDirectCallbackList() in amule [0x80a8ba6]
[9] CClientList::Process() in amule [0x80aad10]
[10] CamuleApp::OnCoreTimer(CTimerEvent&) in amule [0x808dbfe]
[11] wxAppConsole::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const in /usr/lib/libwx_baseu-2.8.so.0[0xb7597b21]
[12] wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) in /usr/lib/libwx_baseu-2.8.so.0[0xb7636cca]
[13] wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*) in /usr/lib/libwx_baseu-2.8.so.0[0xb7637ee4]
[14] wxEvtHandler::ProcessEvent(wxEvent&) in /usr/lib/libwx_baseu-2.8.so.0[0xb7637feb]
[15] wxEvtHandler::ProcessPendingEvents() in /usr/lib/libwx_baseu-2.8.so.0[0xb7637149]
[16] wxAppConsole::ProcessPendingEvents() in /usr/lib/libwx_baseu-2.8.so.0[0xb7597e81]
[17] wxAppBase::ProcessIdle() in /usr/lib/libwx_gtk2u_core-2.8.so.0[0xb789c23f]
[18] ?? in /usr/lib/libwx_gtk2u_core-2.8.so.0 [0xb77eff53]
[19] ?? in /usr/lib/libglib-2.0.so.0 [0xb6c197c1]
[20] g_main_context_dispatch in /usr/lib/libglib-2.0.so.0[0xb6c1b6f8]
[21] ?? in /usr/lib/libglib-2.0.so.0 [0xb6c1eda3]
[22] g_main_loop_run in /usr/lib/libglib-2.0.so.0[0xb6c1f2c2]
[23] gtk_main in /usr/lib/libgtk-x11-2.0.so.0[0xb704c3a9]
[24] wxEventLoop::Run() in /usr/lib/libwx_gtk2u_core-2.8.so.0[0xb7809aa5]
[25] wxAppBase::MainLoop() in /usr/lib/libwx_gtk2u_core-2.8.so.0[0xb789c0ae]
[26] wxAppBase::OnRun() in /usr/lib/libwx_gtk2u_core-2.8.so.0[0xb789bc81]
[27] wxEntry(int&, wchar_t**) in /usr/lib/libwx_baseu-2.8.so.0[0xb75d16aa]
[28] wxEntry(int&, char**) in /usr/lib/libwx_baseu-2.8.so.0[0xb75d18a7]
[29] main in amule [0x81a0301]
[30] __libc_start_main in /lib/tls/i686/cmov/libc.so.6[0xb72de685]
[31] _start in amule [0x8086b81]
sad to say but i think i will soon post amuled crash too