qt4 interface error: Unable to load extensions module

[ahqzy]

I have installed vlc(1.1.11)， when i run, it show as below:

VLC media player 1.1.11 The Luggage (revision exported)
Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS")
./vlc(unsetenv+0x5b)[0x804969b]
/lib/libdbus-1.so.3[0x3a4938]
/lib/libdbus-1.so.3[0x382c96]
Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE")
./vlc(unsetenv+0x5b)[0x804969b]
/lib/libdbus-1.so.3[0x3a4938]
/lib/libdbus-1.so.3[0x382de6]
[0x891b228] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
Blocked: call to setlocale(6, "")
./vlc(setlocale+0x6f)[0x804962f]
/home/qiuzy/install/qt4_complete/lib/libQtCore.so.4(_ZN16QCoreApplication4initEv+0x36)[0x20479a6]
/home/qiuzy/install/qt4_complete/lib/libQtCore.so.4(_ZN16QCoreApplicationC2ER23QCoreApplicationPrivate+0x44)[0x2047b24]
Warning: call to srand(1316764328)
./vlc(srand+0x41)[0x8049421]
/usr/lib/libORBit-2.so.0(ORBit_init_internals+0xcb)[0x3c9ff1b]
/usr/lib/libORBit-2.so.0(CORBA_ORB_init+0x1ee)[0x3ca74ee]
Warning: call to rand()
./vlc(rand+0x3a)[0x80497ea]
/usr/lib/libORBit-2.so.0[0x3cc51bb]
/usr/lib/libORBit-2.so.0(link_protocol_get_sockaddr+0x39)[0x3cc4ea9]
Blocked: call to setlocale(6, "")
./vlc(setlocale+0x6f)[0x804962f]
/usr/lib/libgtk-x11-2.0.so.0[0x284cece]
/usr/lib/libgtk-x11-2.0.so.0(gtk_parse_args+0x3c)[0x284d0dc]

(process:15016): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
[0x89b3380] qt4 interface error: Unable to load extensions module

How can I solve it ?

[Jean-Baptiste Kempf]

Use more messages to debug. vlc -vvv

[ahqzy]

./vlc -vvv
VLC media player 1.1.11 The Luggage (revision exported)
[0x946e228] main libvlc debug: VLC media player - 1.1.11 The Luggage
[0x946e228] main libvlc debug: Copyright \ufffd\ufffd 1996-2011 the VideoLAN team
[0x946e228] main libvlc debug: revision exported
[0x946e228] main libvlc debug: configured with ./configure '--disable-lua' '--disable-postproc' '--disable-sqlite' '--enable-run-as-root' '--enable-debug' 'PKG_CONFIG_PATH=/home/qiuzy/install/qt4_complete/lib/pkgconfig'
[0x946e228] main libvlc debug: translation test: code is "C"
[0x946e228] main libvlc debug: checking plugin modules
[0x946e228] main libvlc debug: loading plugins cache file /home/qiuzy/tmp/vlc-1.1.11_test2/src/.libs/vlc/plugins/plugins-04041e-7e8.dat
[0x946e228] main libvlc warning: cannot read /home/qiuzy/tmp/vlc-1.1.11_test2/src/.libs/vlc/plugins/plugins-04041e-7e8.dat (No such file or directory)
[0x946e228] main libvlc debug: recursively browsing `/home/qiuzy/tmp/vlc-1.1.11_test2/src/.libs/vlc/plugins'
[0x946e228] main libvlc debug: saving plugins cache /home/qiuzy/tmp/vlc-1.1.11_test2/src/.libs/vlc/plugins/plugins-04041e-7e8.dat
[0x946e228] main libvlc debug: loading plugins cache file /home/qiuzy/tmp/vlc-1.1.11_test2/modules/plugins-04041e-7e8.dat
[0x946e228] main libvlc debug: recursively browsing `/home/qiuzy/tmp/vlc-1.1.11_test2/modules'
[0x946e228] main libvlc debug: saving plugins cache /home/qiuzy/tmp/vlc-1.1.11_test2/modules/plugins-04041e-7e8.dat
[0x946e228] main libvlc debug: module bank initialized (330 modules)
[0x946e228] main libvlc debug: opening config file (/root/.config/vlc/vlcrc)
[0x946e228] main libvlc debug: CPU has capabilities MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4.1 FPU
[0x946e228] main libvlc debug: looking for memcpy module: 3 candidates
[0x946e228] main libvlc debug: using memcpy module "memcpymmxext"
[0x94ef460] main input debug: Creating an input for 'Media Library'
[0x94ef460] main input debug: Input is a meta file: disabling unneeded options
[0x94ef460] main input debug: using timeshift granularity of 50 MiB
[0x94ef460] main input debug: using timeshift path '/tmp'
[0x94ef460] main input debug: `file/xspf-open:///root/.local/share/vlc/ml.xspf' gives access `file' demux `xspf-open' path `/root/.local/share/vlc/ml.xspf'
[0x94ef460] main input debug: creating demux: access='file' demux='xspf-open' path='/root/.local/share/vlc/ml.xspf'
[0x9502c28] main demux debug: looking for access_demux module: 1 candidate
[0x9502c28] main demux debug: no access_demux module matching "file" could be loaded
[0x9502c28] main demux debug: TIMER module_need() : 12.562 ms - Total 12.562 ms / 1 intvls (Avg 12.562 ms)
[0x94ef460] main input debug: creating access 'file' path='/root/.local/share/vlc/ml.xspf'
[0x9503308] main access debug: looking for access module: 2 candidates
[0x9503308] filesystem access debug: opening file `/root/.local/share/vlc/ml.xspf'
[0x9503308] main access debug: using access module "filesystem"
[0x9503308] main access debug: TIMER module_need() : 12.046 ms - Total 12.046 ms / 1 intvls (Avg 12.046 ms)
[0x95050c0] main stream debug: Using AStream*Stream
[0x95050c0] main stream debug: pre buffering
[0x95050c0] main stream debug: received first data after 10 ms
[0x95050c0] main stream debug: pre-buffering done 296 bytes in 0s - 27 KiB/s
[0x9504608] main stream debug: looking for stream_filter module: 5 candidates
[0x9504608] main stream debug: no stream_filter module matching "any" could be loaded
[0x9504608] main stream debug: TIMER module_need() : 26.879 ms - Total 26.879 ms / 1 intvls (Avg 26.879 ms)
[0x9504608] main stream debug: looking for stream_filter module: 1 candidate
[0x9504608] main stream debug: using stream_filter module "stream_filter_record"
[0x9504608] main stream debug: TIMER module_need() : 7.713 ms - Total 7.713 ms / 1 intvls (Avg 7.713 ms)
[0x94ef460] main input debug: creating demux: access='file' demux='xspf-open' path='/root/.local/share/vlc/ml.xspf'
[0x95033f0] main demux debug: looking for demux module: 1 candidate
[0x95033f0] playlist demux debug: using XSPF playlist reader
[0x95033f0] main demux debug: using demux module "playlist"
[0x95033f0] main demux debug: TIMER module_need() : 17.936 ms - Total 17.936 ms / 1 intvls (Avg 17.936 ms)
[0x94f2480] main demux meta debug: looking for meta reader module: 0 candidates
[0x94f2480] main demux meta debug: no meta reader module matched "any"
[0x94f2480] main demux meta debug: TIMER module_need() : 0.144 ms - Total 0.144 ms / 1 intvls (Avg 0.144 ms)
[0x94ef460] main input debug: `file/xspf-open:///root/.local/share/vlc/ml.xspf' successfully opened
[0x9503888] main xml debug: looking for xml module: 2 candidates
[0x9503888] main xml debug: using xml module "xml"
[0x9503888] main xml debug: TIMER module_need() : 5.332 ms - Total 5.332 ms / 1 intvls (Avg 5.332 ms)
[0x95033f0] playlist demux debug: parsed 0 tracks successfully
[0x9503888] main xml debug: removing module "xml"
[0x94ef460] main input debug: EOF reached
[0x95033f0] main demux debug: removing module "playlist"
[0x9504608] main stream debug: removing module "stream_filter_record"
[0x9503308] main access debug: removing module "filesystem"
[0x94ef460] main input debug: Destroying the input for 'Media Library'
[0x94ef460] main input debug: TIMER input launching for 'Media Library' : 96.270 ms - Total 96.270 ms / 1 intvls (Avg 96.270 ms)
[0x94ef9e0] main interface debug: looking for interface module: 1 candidate
[0x94ef9e0] main interface debug: using interface module "hotkeys"
[0x94ef9e0] main interface debug: TIMER module_need() : 9.506 ms - Total 9.506 ms / 1 intvls (Avg 9.506 ms)
[0x94ef460] main interface debug: looking for interface module: 1 candidate
Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS")
./vlc(unsetenv+0x5b)[0x804969b]
/lib/libdbus-1.so.3[0x3a4938]
/lib/libdbus-1.so.3[0x382c96]
Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE")
./vlc(unsetenv+0x5b)[0x804969b]
/lib/libdbus-1.so.3[0x3a4938]
/lib/libdbus-1.so.3[0x382de6]
[0x95075c0] main playlist debug: Activated
[0x94ef460] main interface debug: using interface module "inhibit"
[0x94ef460] main interface debug: TIMER module_need() : 5.278 ms - Total 5.278 ms / 1 intvls (Avg 5.278 ms)
[0x9501b38] main interface debug: looking for interface module: 1 candidate
[0x95075c0] main playlist debug: rebuilding array of current - root Playlist
[0x95075c0] main playlist debug: rebuild done - 0 items, index -1
[0x9501b38] main interface debug: using interface module "signals"
[0x9501b38] main interface debug: TIMER module_need() : 32.666 ms - Total 32.666 ms / 1 intvls (Avg 32.666 ms)
[0x9506d48] main interface debug: looking for interface module: 1 candidate
[0x9506d48] main interface debug: using interface module "globalhotkeys"
[0x9506d48] main interface debug: TIMER module_need() : 12.701 ms - Total 12.701 ms / 1 intvls (Avg 12.701 ms)
[0x946e228] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
[0x94f0308] main interface debug: looking for interface module: 3 candidates
Blocked: call to setlocale(6, "")
./vlc(setlocale+0x6f)[0x804962f]
/home/qiuzy/install/qt4_complete/lib/libQtCore.so.4(_ZN16QCoreApplication4initEv+0x36)[0x6f959a6]
/home/qiuzy/install/qt4_complete/lib/libQtCore.so.4(_ZN16QCoreApplicationC2ER23QCoreApplicationPrivate+0x44)[0x6f95b24]
Warning: call to srand(1316106460)
./vlc(srand+0x41)[0x8049421]
/usr/lib/libORBit-2.so.0(ORBit_init_internals+0xcb)[0x3c9ff1b]
/usr/lib/libORBit-2.so.0(CORBA_ORB_init+0x1ee)[0x3ca74ee]
Warning: call to rand()
./vlc(rand+0x3a)[0x80497ea]
/usr/lib/libORBit-2.so.0[0x3cc51bb]
/usr/lib/libORBit-2.so.0(link_protocol_get_sockaddr+0x39)[0x3cc4ea9]
Blocked: call to setlocale(6, "")
./vlc(setlocale+0x6f)[0x804962f]
/usr/lib/libgtk-x11-2.0.so.0[0x284cece]
/usr/lib/libgtk-x11-2.0.so.0(gtk_parse_args+0x3c)[0x284d0dc]

(process:3289): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
[0xb772c3c8] main generic debug: looking for extension module: 0 candidates
[0xb772c3c8] main generic debug: no extension module matched "any"
[0xb772c3c8] main generic debug: TIMER module_need() : 0.394 ms - Total 0.394 ms / 1 intvls (Avg 0.394 ms)
[0x94f0308] qt4 interface error: Unable to load extensions module
[0xb77562e0] main probe debug: looking for services probe module: 4 candidates
[0xb77562e0] main probe debug: no services probe module matching "any" could be loaded
[0xb77562e0] main probe debug: TIMER module_need() : 38.029 ms - Total 38.029 ms / 1 intvls (Avg 38.029 ms)
[0x94f0308] qt4 interface debug: Sorting by column -1, order 0
[0x94f0308] qt4 interface debug: Sorting by column -1, order 0
[0x94f0308] main interface debug: using interface module "qt4"
[0x94f0308] main interface debug: TIMER module_need() : 677.952 ms - Total 677.952 ms / 1 intvls (Avg 677.952 ms)

[Jean-Baptiste Kempf]

Does VLC launch afterwards?