어느 날 openSUSE Tumbleweed에서 이전 버전 4.3 Skype를 실행할 때 예기치 않게 오류가 발생했습니다.
> skype
Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf",
line 13: mismatched tag
Segmentation fault (core dumped)
이전에는 모든 것이 잘 작동했습니다. 아마도 일부 OS 업데이트 등이 있을 것입니다.
gdb skype산출:
backtrace:
Program received signal SIGSEGV, Segmentation fault.
0xf358c2c1 in ?? () from /usr/lib/libexpat.so.1
(gdb) backtrace
#0 0xf358c2c1 in ?? () from /usr/lib/libexpat.so.1
#1 0xf3572617 in ?? () from /usr/lib/libexpat.so.1
#2 0xf3573850 in ?? () from /usr/lib/libexpat.so.1
#3 0xf3574ce3 in ?? () from /usr/lib/libexpat.so.1
#4 0xf3576398 in ?? () from /usr/lib/libexpat.so.1
#5 0xf357abdb in XML_ParseBuffer () from /usr/lib/libexpat.so.1
#6 0xf3d42b16 in ?? () from /usr/lib/libfontconfig.so.1
#7 0xf3d43039 in FcConfigParseAndLoad () from /usr/lib/libfontconfig.so.1
#8 0xf3d430ce in FcConfigParseAndLoad () from /usr/lib/libfontconfig.so.1
#9 0xf3d43260 in ?? () from /usr/lib/libfontconfig.so.1
#10 0xf35723f2 in ?? () from /usr/lib/libexpat.so.1
#11 0xf3573850 in ?? () from /usr/lib/libexpat.so.1
#12 0xf3574ce3 in ?? () from /usr/lib/libexpat.so.1
#13 0xf3576398 in ?? () from /usr/lib/libexpat.so.1
#14 0xf357abdb in XML_ParseBuffer () from /usr/lib/libexpat.so.1
#15 0xf3d42b16 in ?? () from /usr/lib/libfontconfig.so.1
#16 0xf3d43039 in FcConfigParseAndLoad () from /usr/lib/libfontconfig.so.1
#17 0xf3d3544c in ?? () from /usr/lib/libfontconfig.so.1
#18 0xf3d356cd in ?? () from /usr/lib/libfontconfig.so.1
#19 0xf3d3570a in FcInitLoadConfigAndFonts () from /usr/lib/libfontconfig.so.1
#20 0xf3d284c6 in ?? () from /usr/lib/libfontconfig.so.1
#21 0xf3d284f8 in ?? () from /usr/lib/libfontconfig.so.1
#22 0xf51dbb9b in ?? () from /usr/lib/libQtGui.so.4
#23 0xf51514da in QApplicationPrivate::construct(_XDisplay*, unsigned long, unsigned long) () from /usr/lib/libQtGui.so.4
#24 0xf51517c0 in QApplication::QApplication(int&, char**, int) () from /usr/lib/libQtGui.so.4
#25 0x56a71a8a in ?? ()
#26 0x56a71864 in ?? ()
#27 0x5681246f in ?? ()
#28 0xf47077b3 in __libc_start_main () from /lib/libc.so.6
#29 0x5681fe8d in ?? ()
삭제하면 /etc/fonts/conf.d/10-hinting-slight.conf다른(다음) .conf파일 등에서 오류 및 충돌이 발생합니다. libexpat1 - XML 파서 툴킷입니다. 문제를 해결할 수 있는 방법이 있나요?
PS 이제 이 파일을 삭제하면 .conf오류가 발생하고 또 다른 SEGFAULT가 표시됩니다.
(gdb) backtrace
#0 0xf4775220 in tcache_get () from /lib/libc.so.6
#1 0xf3d4d922 in ?? () from /usr/lib/libfontconfig.so.1
#2 0xf3d4da3f in FcStrSetAdd () from /usr/lib/libfontconfig.so.1
#3 0xf3d4fcb0 in FcConfigParseAndLoad () from /usr/lib/libfontconfig.so.1
#4 0xf3d500ce in FcConfigParseAndLoad () from /usr/lib/libfontconfig.so.1
#5 0xf3d50260 in ?? () from /usr/lib/libfontconfig.so.1
#6 0xf35892bc in ?? () from /usr/lib/libexpat.so.1
#7 0xf3589ec0 in ?? () from /usr/lib/libexpat.so.1
#8 0xf3587f63 in ?? () from /usr/lib/libexpat.so.1
#9 0xf3588abc in ?? () from /usr/lib/libexpat.so.1
#10 0xf358c2eb in XML_ParseBuffer () from /usr/lib/libexpat.so.1
#11 0xf3d4fb16 in ?? () from /usr/lib/libfontconfig.so.1
#12 0xf3d50039 in FcConfigParseAndLoad () from /usr/lib/libfontconfig.so.1
#13 0xf3d4244c in ?? () from /usr/lib/libfontconfig.so.1
#14 0xf3d426cd in ?? () from /usr/lib/libfontconfig.so.1
#15 0xf3d4270a in FcInitLoadConfigAndFonts () from /usr/lib/libfontconfig.so.1
#16 0xf3d354c6 in ?? () from /usr/lib/libfontconfig.so.1
#17 0xf3d354f8 in ?? () from /usr/lib/libfontconfig.so.1
#18 0xf51e8b9b in ?? () from /usr/lib/libQtGui.so.4
#19 0xf515e4da in QApplicationPrivate::construct(_XDisplay*, unsigned long, unsigned long) () from /usr/lib/libQtGui.so.4
#20 0xf515e7c0 in QApplication::QApplication(int&, char**, int) () from /usr/lib/libQtGui.so.4
#21 0x56ab2a8a in ?? ()
#22 0x56ab2864 in ?? ()
#23 0x5685346f in ?? ()
#24 0xf47147b3 in __libc_start_main () from /lib/libc.so.6
#25 0x56860e8d in ?? ()