I'm getting segfaults with current cvs, I've tracked it down to this patch http://cvs.winehq.org/patch.py?id=12187
last few lines in a +relay are 0009:Call ntdll.NtCreateKey(bfffcd84,000f003f,bfffe190,00000000,00000000,00000000,00000000) ret=4051e47a 0009:Ret ntdll.NtCreateKey() retval=00000000 ret=4051e47a 0009:Call ntdll.RtlInitUnicodeString(bfffc52c,405d616e L"windows") ret=4051e27f 0009:Ret ntdll.RtlInitUnicodeString() retval=00000000 ret=4051e27f 0009:Call ntdll.NtQueryValueKey(00000010,bfffc52c,00000002,bfffc534,00000800,bfffc528) ret=4051e2be 0009:Ret ntdll.NtQueryValueKey() retval=00000000 ret=4051e2be 0009:Call ntdll.RtlDosPathNameToNtPathName_U(bfffc540 L"c:\Windows",bfffc49c,00000000,00000000) ret=4053ecd2 Segmentation fault