Public bug reported: Binary package hint: jackd2
Ubuntu Studio 10.10 (i686) I use M-Audio Firewire Solo and I get hashed sound with much XRUN. The device works good in Lucid, jackd1 and ffado but worse in Marveric even if I install jackd1 instead of jackd2. The message from qjackctl below, 15:22:50.917 Patchbay deactivated. 15:22:50.926 Statistics reset. 15:22:50.987 JACK is starting... 15:22:50.987 /usr/bin/jackd -r -dfirewire -r48000 -p256 -n2 Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started Cannot create thread 1 Operation not permitted 15:22:51.053 ALSA connection graph change. 15:22:51.054 JACK was started with PID=1790. Cannot create thread 1 Operation not permitted jackdmp 1.9.6 Copyright 2001-2005 Paul Davis and others. Copyright 2004-2010 Grame. jackdmp comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK server starting in non-realtime mode Cannot lock down memory area (Cannot allocate memory) Cannot create thread 1 Operation not permitted ERROR: messagebuffer not initialized: 00052193720: (ffado.cpp)[ 92] ffado_streaming_init: libffado 2.999.0- built Aug 11 2010 00:12:04 15:22:51.219 ALSA connection change. 15:22:51.246 ALSA connection graph change. 15:22:56.972 Server configuration saved to "/home/mocchi/.jackdrc". 15:22:56.972 Statistics reset. 15:22:56.980 Client activated. 15:22:56.985 JACK connection change. 15:22:56.991 JACK connection graph change. Cannot lock down memory area (Cannot allocate memory) 15:22:57.778 XRUN callback (1). JackAudioDriver::ProcessAsync: read error, skip cycle JackPosixMutex::Unlock res = 1 15:22:58.998 XRUN callback (2). JackAudioDriver::ProcessAsync: read error, skip cycle JackPosixMutex::Unlock res = 1 (Repeat these messages above) (Here I click the stop button of qjackctl) jack main caught signal 15 *** glibc detected *** /usr/bin/jackd: double free or corruption (!prev): 0x08efde20 *** ======= Backtrace: ========= /lib/libc.so.6(+0x6c501)[0x289501] /lib/libc.so.6(+0x6dd70)[0x28ad70] /lib/libc.so.6(cfree+0x6d)[0x28de5d] /usr/lib/libraw1394.so.11(fw_destroy_handle+0x82)[0x4b24a2] /usr/lib/libraw1394.so.11(raw1394_destroy_handle+0x53)[0x4b12c3] /usr/lib/libffado.so.2(_ZN17IsoHandlerManager10IsoHandler7disableEv+0x1f6)[0x106e294] /usr/lib/libffado.so.2(_ZN17IsoHandlerManager10IsoHandler11updateStateEv+0x146)[0x106e59c] /usr/lib/libffado.so.2(_ZN17IsoHandlerManager7IsoTask21updateShadowMapHelperEv+0x123)[0x1067551] /usr/lib/libffado.so.2(_ZN17IsoHandlerManager7IsoTask7ExecuteEv+0x159)[0x10678c9] /usr/lib/libffado.so.2(_ZN4Util11PosixThread13ThreadHandlerEPv+0x18c)[0x1096fd0] /lib/libpthread.so.0(+0x5cc9)[0x8a8cc9] /lib/libc.so.6(clone+0x5e)[0x2ed6ae] ======= Memory map: ======== 00113000-00114000 r-xp 00000000 08:01 1063062 /usr/lib/libX11-xcb.so.1.0.0 00114000-00115000 r--p 00000000 08:01 1063062 /usr/lib/libX11-xcb.so.1.0.0 00115000-00116000 rw-p 00001000 08:01 1063062 /usr/lib/libX11-xcb.so.1.0.0 00116000-0012b000 r-xp 00000000 08:01 1062988 /usr/lib/libICE.so.6.3.0 0012b000-0012c000 r--p 00014000 08:01 1062988 /usr/lib/libICE.so.6.3.0 0012c000-0012d000 rw-p 00015000 08:01 1062988 /usr/lib/libICE.so.6.3.0 0012d000-0012f000 rw-p 00000000 00:00 0 0012f000-00132000 r-xp 00000000 08:01 919421 /lib/libuuid.so.1.3.0 00132000-00133000 r--p 00002000 08:01 919421 /lib/libuuid.so.1.3.0 00133000-00134000 rw-p 00003000 08:01 919421 /lib/libuuid.so.1.3.0 00134000-00138000 r-xp 00000000 08:01 1062876 /usr/lib/libXdmcp.so.6.0.0 00138000-00139000 r--p 00003000 08:01 1062876 /usr/lib/libXdmcp.so.6.0.0 00139000-0013a000 rw-p 00004000 08:01 1062876 /usr/lib/libXdmcp.so.6.0.0 0013a000-00141000 r-xp 00000000 08:01 923803 /lib/libwrap.so.0.7.6 00141000-00142000 r--p 00006000 08:01 923803 /lib/libwrap.so.0.7.6 00142000-00143000 rw-p 00007000 08:01 923803 /lib/libwrap.so.0.7.6 00143000-0014c000 r-xp 00000000 08:01 1200395 /usr/lib/jack/jack_firewire.so 0014c000-0014d000 r--p 00008000 08:01 1200395 /usr/lib/jack/jack_firewire.so 0014d000-0014e000 rw-p 00009000 08:01 1200395 /usr/lib/jack/jack_firewire.so 0014e000-00151000 r-xp 00000000 08:01 1051955 /usr/lib/libgthread-2.0.so.0.2515.0 00151000-00152000 r--p 00003000 08:01 1051955 /usr/lib/libgthread-2.0.so.0.2515.0 00152000-00153000 rw-p 00004000 08:01 1051955 /usr/lib/libgthread-2.0.so.0.2515.0 00154000-00157000 r-xp 00000000 08:01 1063705 /usr/lib/libxcb-atom.so.1.0.0 00157000-00158000 r--p 00002000 08:01 1063705 /usr/lib/libxcb-atom.so.1.0.0 00158000-00159000 rw-p 00003000 08:01 1063705 /usr/lib/libxcb-atom.so.1.0.0 00159000-0016c000 r-xp 00000000 08:01 924247 /lib/libnsl-2.12.1.so 0016c000-0016d000 r--p 00012000 08:01 924247 /lib/libnsl-2.12.1.so 0016d000-0016e000 rw-p 00013000 08:01 924247 /lib/libnsl-2.12.1.so 0016e000-00170000 rw-p 00000000 00:00 0 00170000-00196000 r-xp 00000000 08:01 1063630 /usr/lib/libvorbis.so.0.4.4 00196000-00197000 r--p 00025000 08:01 1063630 /usr/lib/libvorbis.so.0.4.4 00197000-00198000 rw-p 00026000 08:01 1063630 /usr/lib/libvorbis.so.0.4.4 00198000-001a3000 r-xp 00000000 08:01 1071673 /usr/lib/libiec61883.so.0.1.1 001a3000-001a4000 r--p 0000a000 08:01 1071673 /usr/lib/libiec61883.so.0.1.1 001a4000-001a5000 rw-p 0000b000 08:01 1071673 /usr/lib/libiec61883.so.0.1.1 001a7000-00219000 r-xp 00000000 08:01 1053568 /usr/lib/libjackserver.so.0.1.0 00219000-0021b000 r--p 00071000 08:01 1053568 /usr/lib/libjackserver.so.0.1.0 0021b000-0021c000 rw-p 00073000 08:01 1053568 /usr/lib/libjackserver.so.0.1.0 0021c000-0021d000 rw-p 00000000 00:00 0 0021d000-00374000 r-xp 00000000 08:01 924256 /lib/libc-2.12.1.so 00374000-00375000 ---p 00157000 08:01 924256 /lib/libc-2.12.1.so 00375000-00377000 r--p 00157000 08:01 924256 /lib/libc-2.12.1.so 00377000-00378000 rw-p 00159000 08:01 924256 /lib/libc-2.12.1.so 00378000-0037b000 rw-p 00000000 00:00 0 0037b000-0043b000 r-xp 00000000 08:01 1051939 /usr/lib/libasound.so.2.0.0 0043b000-0043c000 ---p 000c0000 08:01 1051939 /usr/lib/libasound.so.2.0.0 0043c000-00440000 r--p 000c0000 08:01 1051939 /usr/lib/libasound.so.2.0.0 00440000-00441000 rw-p 000c4000 08:01 1051939 /usr/lib/libasound.so.2.0.0 00441000-004a2000 r-xp 00000000 08:01 1064006 /usr/lib/libsndfile.so.1.0.21 004a2000-004a3000 ---p 00061000 08:01 1064006 /usr/lib/libsndfile.so.1.0.21 004a3000-004a4000 r--p 00061000 08:01 1064006 /usr/lib/libsndfile.so.1.0.21 004a4000-004a5000 rw-p 00062000 08:01 1064006 /usr/lib/libsndfile.so.1.0.21 004a5000-004a9000 rw-p 00000000 00:00 0 004a9000-004b5000 r-xp 00000000 08:01 1069296 /usr/lib/libraw1394.so.11.0.1 004b5000-004b6000 r--p 0000b000 08:01 1069296 /usr/lib/libraw1394.so.11.0.1 004b6000-004b7000 rw-p 0000c000 08:01 1069296 /usr/lib/libraw1394.so.11.0.1 004b7000-004b9000 r-xp 00000000 08:01 1051954 /usr/lib/libgmodule-2.0.so.0.2515.0 004b9000-004ba000 r--p 00002000 08:01 1051954 /usr/lib/libgmodule-2.0.so.0.2515.0 004ba000-004bb000 rw-p 00003000 08:01 1051954 /usr/lib/libgmodule-2.0.so.0.2515.0 004be000-004c5000 r-xp 00000000 08:01 1062990 /usr/lib/libSM.so.6.0.1 004c5000-004c6000 r--p 00006000 08:01 1062990 /usr/lib/libSM.so.6.0.1 004c6000-004c7000 rw-p 00007000 08:01 1062990 /usr/lib/libSM.so.6.0.1 004d1000-004f5000 r-xp 00000000 08:01 923776 /lib/libexpat.so.1.5.2 004f5000-004f7000 r--p 00024000 08:01 923776 /lib/libexpat.so.1.5.2 004f7000-004f8000 rw-p 00026000 08:01 923776 /lib/libexpat.so.1.5.2 004f8000-0051b000 r-xp 00000000 08:01 1071675 /usr/lib/libxml++-2.6.so.2.0.7 0051b000-0051c000 r--p 00023000 08:01 1071675 /usr/lib/libxml++-2.6.so.2.0.7 0051c000-0051d000 rw-p 00024000 08:01 1071675 /usr/lib/libxml++-2.6.so.2.0.7 00521000-00560000 r-xp 00000000 08:01 1068938 /usr/lib/libpulse.so.0.12.2 00560000-00561000 r--p 0003f000 08:01 1068938 /usr/lib/libpulse.so.0.12.2 00561000-00562000 rw-p 00040000 08:01 1068938 /usr/lib/libpulse.so.0.12.2 00573000-00578000 r-xp 00000000 08:01 1062789 /usr/lib/libsigc-2.0.so.0.0.0 00578000-00579000 r--p 00004000 08:01 1062789 /usr/lib/libsigc-2.0.so.0.0.0 00579000-0057a000 rw-p 00005000 08:01 1062789 /usr/lib/libsigc-2.0.so.0.0.0 0058d000-00592000 r-xp 00000000 08:01 1063626 /usr/lib/libogg.so.0.7.0 00592000-00593000 r--p 00004000 08:01 1063626 /usr/lib/libogg.so.0.7.0 00593000-00594000 rw-p 00005000 08:01 1063626 /usr/lib/libogg.so.0.7.0 00594000-005d6000 r-xp 00000000 08:01 1051957 /usr/lib/libgobject-2.0.so.0.2515.0 005d6000-005d7000 r--p 00041000 08:01 1051957 /usr/lib/libgobject-2.0.so.0.2515.0 005d7000-005d8000 rw-p 00042000 08:01 1051957 /usr/lib/libgobject-2.0.so.0.2515.0 005ea000-005f1000 r-xp 00000000 08:01 924243 /lib/librt-2.12.1.so 005f1000-005f2000 r--p 00006000 08:01 924243 /lib/librt-2.12.1.so 005f2000-005f3000 rw-p 00007000 08:01 924243 /lib/librt-2.12.1.so 00606000-0060a000 r-xp 00000000 08:01 1064008 /usr/lib/libXtst.so.6.1.0 0060a000-0060b000 r--p 00003000 08:01 1064008 /usr/lib/libXtst.so.6.1.0 0060b000-0060c000 rw-p 00004000 08:01 1064008 /usr/lib/libXtst.so.6.1.0 0060c000-0061f000 r-xp 00000000 08:01 919541 /lib/libz.so.1.2.3.4 0061f000-00620000 r--p 00012000 08:01 919541 /lib/libz.so.1.2.3.4 00620000-00621000 rw-p 00013000 08:01 919541 /lib/libz.so.1.2.3.4 00633000-00635000 r-xp 00000000 08:01 1062874 /usr/lib/libXau.so.6.0.0 00635000-00636000 r--p 00001000 08:01 1062874 /usr/lib/libXau.so.6.0.0 00636000-00637000 rw-p 00002000 08:01 1062874 /usr/lib/libXau.so.6.0.0 00637000-0068f000 r-xp 00000000 08:01 1063439 /usr/lib/libglibmm-2.4.so.1.3.0 0068f000-00690000 ---p 00058000 08:01 1063439 /usr/lib/libglibmm-2.4.so.1.3.0 00690000-00691000 r--p 00058000 08:01 1063439 /usr/lib/libglibmm-2.4.so.1.3.0 00691000-00692000 rw-p 00059000 08:01 1063439 /usr/lib/libglibmm-2.4.so.1.3.0 00692000-006c5000 r-xp 00000000 08:01 919399 /lib/libpcre.so.3.12.1 006c5000-006c6000 r--p 00032000 08:01 919399 /lib/libpcre.so.3.12.1 006c6000-006c7000 rw-p 00033000 08:01 919399 /lib/libpcre.so.3.12.1 006d3000-006f7000 r-xp 00000000 08:01 924251 /lib/libm-2.12.1.so 006f7000-006f8000 r--p 00023000 08:01 924251 /lib/libm-2.12.1.so 006f8000-006f9000 rw-p 00024000 08:01 924251 /lib/libm-2.12.1.so 007ad000-007ae000 r-xp 00000000 00:00 0 [vdso] 007be000-00806000 r-xp 00000000 08:01 1068934 /usr/lib/libpulsecommon-0.9.21.so 00806000-00807000 r--p 00047000 08:01 1068934 /usr/lib/libpulsecommon-0.9.21.so 00807000-00808000 rw-p 00048000 08:01 1068934 /usr/lib/libpulsecommon-0.9.21.so 008a3000-008b8000 r-xp 00000000 08:01 924257 /lib/libpthread-2.12.1.so 008b8000-008b9000 ---p 00015000 08:01 924257 /lib/libpthread-2.12.1.so 008b9000-008ba000 r--p 00015000 08:01 924257 /lib/libpthread-2.12.1.so 008ba000-008bb000 rw-p 00016000 08:01 924257 /lib/libpthread-2.12.1.so 008bb000-008bd000 rw-p 00000000 00:00 0 008bd000-009d6000 r-xp 00000000 08:01 1062881 /usr/lib/libX11.so.6.3.0 009d6000-009d7000 r--p 00118000 08:01 1062881 /usr/lib/libX11.so.6.3.0 009d7000-009d9000 rw-p 00119000 08:01 1062881 /usr/lib/libX11.so.6.3.0 009d9000-009da000 rw-p 00000000 00:00 0 009e6000-009f2000 r-xp 00000000 08:01 1063070 /usr/lib/libXi.so.6.1.0 009f2000-009f3000 r--p 0000b000 08:01 1063070 /usr/lib/libXi.so.6.1.0 009f3000-009f4000 rw-p 0000c000 08:01 1063070 /usr/lib/libXi.so.6.1.0 00a04000-00a06000 r-xp 00000000 08:01 924241 /lib/libdl-2.12.1.so 00a06000-00a07000 r--p 00001000 08:01 924241 /lib/libdl-2.12.1.so 00a07000-00a08000 rw-p 00002000 08:01 924241 /lib/libdl-2.12.1.so 00a59000-00a71000 r-xp 00000000 08:01 1062878 /usr/lib/libxcb.so.1.1.0 00a71000-00a72000 r--p 00017000 08:01 1062878 /usr/lib/libxcb.so.1.1.0 00a72000-00a73000 rw-p 00018000 08:01 1062878 /usr/lib/libxcb.so.1.1.0 00ae0000-00afa000 r-xp 00000000 08:01 919315 /lib/libgcc_s.so.1 00afa000-00afb000 r--p 00019000 08:01 919315 /lib/libgcc_s.so.1 00afb000-00afc000 rw-p 0001a000 08:01 919315 /lib/libgcc_s.so.1 00afd000-00b19000 r-xp 00000000 08:01 924229 /lib/ld-2.12.1.so 00b19000-00b1a000 r--p 0001b000 08:01 924229 /lib/ld-2.12.1.so 00b1a000-00b1b000 rw-p 0001c000 08:01 924229 /lib/ld-2.12.1.so 00b52000-00b60000 r-xp 00000000 08:01 1062986 /usr/lib/libXext.so.6.4.0 00b60000-00b61000 r--p 0000d000 08:01 1062986 /usr/lib/libXext.so.6.4.0 00b61000-00b62000 rw-p 0000e000 08:01 1062986 /usr/lib/libXext.so.6.4.0 00bb6000-00c95000 r-xp 00000000 08:01 1051402 /usr/lib/libstdc++.so.6.0.14 00c95000-00c99000 r--p 000de000 08:01 1051402 /usr/lib/libstdc++.so.6.0.14 00c99000-00c9a000 rw-p 000e2000 08:01 1051402 /usr/lib/libstdc++.so.6.0.14 00c9a000-00ca1000 rw-p 00000000 00:00 0 00ca1000-00e06000 r-xp 00000000 08:01 1064004 /usr/lib/libvorbisenc.so.2.0.7 00e06000-00e07000 ---p 00165000 08:01 1064004 /usr/lib/libvorbisenc.so.2.0.7 00e07000-00e18000 r--p 00165000 08:01 1064004 /usr/lib/libvorbisenc.so.2.0.7 00e18000-00e19000 rw-p 00176000 08:01 1064004 /usr/lib/libvorbisenc.so.2.0.7 00e93000-00eca000 r-xp 00000000 08:01 919304 /lib/libdbus-1.so.3.4.0 00eca000-00ecb000 r--p 00036000 08:01 919304 /lib/libdbus-1.so.3.4.0 00ecb000-00ecc000 rw-p 00037000 08:01 919304 /lib/libdbus-1.so.3.4.0 00f0a000-00f54000 r-xp 00000000 08:01 1064002 /usr/lib/libFLAC.so.8.2.0 00f54000-00f55000 r--p 00049000 08:01 1064002 /usr/lib/libFLAC.so.8.2.0 00f55000-00f56000 rw-p 0004a000 08:01 1064002 /usr/lib/libFLAC.so.8.2.0 00f56000-0121e000 r-xp 00000000 08:01 1071677 /usr/lib/libffado.so.2.999.0 0121e000-01228000 r--p 002c7000 08:01 1071677 /usr/lib/libffado.so.2.999.0 01228000-0122e000 rw-p 002d1000 08:01 1071677 /usr/lib/libffado.so.2.999.0 0426a000-04337000 r-xp 00000000 08:01 919332 /lib/libglib-2.0.so.0.2515.0 04337000-04338000 r--p 000cc000 08:01 919332 /lib/libglib-2.0.so.0.2515.0 04338000-04339000 rw-p 000cd000 08:01 919332 /lib/libglib-2.0.so.0.2515.0 04bd9000-04cfe000 r-xp 00000000 08:01 1063276 /usr/lib/libxml2.so.2.7.7 04cfe000-04d02000 r--p 00124000 08:01 1063276 /usr/lib/libxml2.so.2.7.7 04d02000-04d03000 rw-p 00128000 08:01 1063276 /usr/lib/libxml2.so.2.7.7 04d03000-04d04000 rw-p 00000000 00:00 0 08048000-0804d000 r-xp 00000000 08:01 1053545 /usr/bin/jackd 0804d000-0804e000 r--p 00004000 08:01 1053545 /usr/bin/jackd 0804e000-0804f000 rw-p 00005000 08:01 1053545 /usr/bin/jackd 08def000-08f30000 rw-p 00000000 00:00 0 [heap] ac500000-ac521000 rw-p 00000000 00:00 0 ac521000-ac600000 ---p 00000000 00:00 0 ac627000-ac628000 ---p 00000000 00:00 0 ac628000-ace28000 rw-p 00000000 00:00 0 ace28000-ace29000 ---p 00000000 00:00 0 ace29000-ad629000 rw-p 00000000 00:00 0 ad629000-ad62a000 ---p 00000000 00:00 0 ad62a000-ade2a000 rw-p 00000000 00:00 0 ade2a000-ade2b000 ---p 00000000 00:00 0 ade2b000-ae62b000 rw-p 00000000 00:00 0 ae62b000-ae62c000 ---p 00000000 00:00 0 ae62c000-aee2c000 rw-p 00000000 00:00 0 aee2c000-aee2d000 ---p 00000000 00:00 0 aee2d000-af62d000 rw-p 00000000 00:00 0 af62d000-af62e000 ---p 00000000 00:00 0 af62e000-afe2e000 rw-p 00000000 00:00 0 afe2e000-afe2f000 ---p 00000000 00:00 0 afe2f000-b062f000 rw-p 00000000 00:00 0 b062f000-b0630000 ---p 00000000 00:00 0 b0630000-b1031000 rw-p 00000000 00:00 0 b1031000-b5e99000 rw-s 00000000 00:10 15776 /dev/shm/jack-1000-0 b5e99000-b64d6000 rw-p 00000000 00:00 0 b64d6000-b64d7000 ---p 00000000 00:00 0 b64d7000-b6cd7000 rw-p 00000000 00:00 0 b6cd7000-b6cd8000 ---p 00000000 00:00 0 b6cd8000-b74d8000 rw-p 00000000 00:00 0 b7553000-b7554000 ---p 00000000 00:00 0 b7554000-b75d4000 rw-p 00000000 00:00 0 b75d4000-b75d5000 ---p 00000000 00:00 0 b75d5000-b7655000 rw-p 00000000 00:00 0 b765d000-b765e000 ---p 00000000 00:00 0 b765e000-b76de000 rw-p 00000000 00:00 0 b76de000-b76f0000 rw-s 00000000 00:10 15775 /dev/shm/jack-shm-registry b76f0000-b76f4000 rw-p 00000000 00:00 0 b7700000-b7701000 rw-s 00000000 00:10 15784 /dev/shm/sem.fei8v5 (deleted) b7701000-b7702000 rw-s 00000000 00:10 15783 /dev/shm/sem.JMNUJb (deleted) b7702000-b7703000 rw-s 00000000 00:10 15777 /dev/shm/jack-1000-1 b7703000-b770a000 r--s 00000000 08:01 1076445 /usr/lib/gconv/gconv-modules.cache b770a000-b770d000 rw-p 00000000 00:00 0 bfaba000-bfadb000 rw-p 00000000 00:00 0 [stack] 15:28:42.909 JACK was stopped successfully. 15:28:42.910 Post-shutdown script... 15:28:42.912 killall jackd 15:28:42.913 JACK has crashed. jackd: no process found 15:28:43.344 Post-shutdown script terminated with exit status=256. ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: jackd2 1.9.5~dfsg-19ubuntu1 ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4 Uname: Linux 2.6.35-22-generic i686 Architecture: i386 Date: Tue Sep 21 15:24:45 2010 ExecutablePath: /usr/bin/jackd InstallationMedia: Ubuntu-Studio 10.10 "Maverick Meerkat" - Beta i386 (20100902.1) ProcEnviron: LANG=ja_JP.utf8 SHELL=/bin/bash SourcePackage: jackd2 ** Affects: jackd2 (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug i386 jackd maverick -- "JackAudioDriver::ProcessAsync: read error, skip cycle" with firewire driver https://bugs.launchpad.net/bugs/644130 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs