Same problem here.
Running python kde4 apps give me "segmentation fault" too.
dmesg give me this error :
python[7556]: segfault at ffffffff ip 00007facf9f0acc0 sp 00007fff02ca1ad8 error 4
in libc-2.9.so[7facf9e91000+149000]
strace python
then "from PyKDE4 import kdeui"
give me this output :
open("/usr/lib/python2.5/site-packages/sip.py", O_RDONLY) = -1 ENOENT (No such
file or directory)
open("/usr/lib/python2.5/site-packages/sip.pyc", O_RDONLY) = -1 ENOENT (No
such file or directory)
stat("/usr/lib/pymodules/python2.5/sip", 0x7fff9c15a9e0) = -1 ENOENT (No such
file or directory)
open("/usr/lib/pymodules/python2.5/sip.so", O_RDONLY) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=95472, ...}) = 0
open("/usr/lib/pymodules/python2.5/sip.so", O_RDONLY) = 5
read(5, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20L\0\0\0\0\0\0"...,
832) = 832
fstat(5, {st_mode=S_IFREG|0644, st_size=95472, ...}) = 0
mmap(NULL, 2190992, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 5, 0) =
0x7fea8ba88000
mprotect(0x7fea8ba9d000, 2097152, PROT_NONE) = 0
mmap(0x7fea8bc9d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 5, 0x15000) = 0x7fea8bc9d000
close(5) = 0
brk(0x1d83000) = 0x1d83000
close(4) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
Same thing with ltrace give me :
memcpy(0x7fa0fcd9d1d4, "__path__", 9)
= 0x7fa0fcd9d1d4
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
strlen("module")
= 6
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
strlen("__path__")
= 8
__ctype_b_loc()
= 0x7fa0fcde06a0
strlen("module")
= 6
memcpy(0x7fa0fcd8c99d, "module", 6)
= 0x7fa0fcd8c99d
__ctype_b_loc()
= 0x7fa0fcde06a0
strlen("__path__")
= 8
memcpy(0x7fa0fcd8c9be, "__path__", 8)
= 0x7fa0fcd8c9be
pthread_self(0x7fa0fcd8c978, 1, 1, 0x7fa0fcd8c000, 0xfefefefefefefeff)
= 0x7fa0fcde06f0
strlen("_C_API")
= 6
memcpy(0x7fa0fcd97cb4, "_C_API", 7)
= 0x7fa0fcd97cb4
__ctype_b_loc()
= 0x7fa0fcde06a0
__ctype_b_loc()
= 0x7fa0fcde06a0
strlen("\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377"...
<unfinished ...>
--- SIGSEGV (Segmentation fault) ---
+++ killed by SIGSEGV +++
I hope it helps.