Every so often, seemingly no pattern to this, I get a crash on my system running mythtv. I've posted to the myth list and have had no responses. Wondering if anyone here can tell me if this error points to any specific issues. Thanks, James ps- this is on FC5 *** glibc detected *** /usr/bin/mythbackend: free(): invalid pointer: 0xb364af7c *** ======= Backtrace: ========= /lib/libc.so.6[0xaccf18] /lib/libc.so.6(__libc_free+0x78)[0xad03ef] /usr/lib/libstdc++.so.6(_ZdlPv+0x21)[0x2266c1] /usr/lib/libstdc++.so.6(_ZdaPv+0x1d)[0x22671d] /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN11QStringData10deleteSelfEv+0x2d)[0x54a9cbd] /usr/bin/mythbackend(_ZN17QValueListPrivateI7QStringED1Ev+0x39)[0x80680c9] [0xb3630418] ======= Memory map: ======== 00101000-00139000 r-xp 00000000 03:43 41254 /usr/lib/libfontconfig.so.1.0.4 00139000-0013d000 rwxp 00038000 03:43 41254 /usr/lib/libfontconfig.so.1.0.4 0013d000-0013e000 rwxp 0013d000 00:00 0 0013e000-0013f000 r-xp 00000000 03:43 168980 /usr/lib/mythtv/filters/libcrop.so 0013f000-00140000 rwxp 00001000 03:43 168980 /usr/lib/mythtv/filters/libcrop.so 00140000-00148000 r-xp 00000000 03:43 41304 /usr/lib/libSM.so.6.0.0 00148000-00149000 rwxp 00008000 03:43 41304 /usr/lib/libSM.so.6.0.0 00149000-0014a000 r-xp 00000000 03:43 168982 /usr/lib/mythtv/filters/libforce.so 0014a000-0014b000 rwxp 00000000 03:43 168982 /usr/lib/mythtv/filters/libforce.so 0014b000-00154000 r-xp 00000000 03:43 41248 /usr/lib/libXcursor.so.1.0.2 00154000-00155000 rwxp 00008000 03:43 41248 /usr/lib/libXcursor.so.1.0.2 00155000-00156000 r-xp 00000000 03:43 168983 /usr/lib/mythtv/filters/libinvert.so 00156000-00157000 rwxp 00000000 03:43 168983 /usr/lib/mythtv/filters/libinvert.so 00157000-00159000 r-xp 00000000 03:43 41250 /usr/lib/libXinerama.so.1.0.0 00159000-0015a000 rwxp 00001000 03:43 41250 /usr/lib/libXinerama.so.1.0.0 0015a000-0015b000 r-xp 00000000 03:43 168986 /usr/lib/mythtv/filters/liblinearblend.so 0015b000-0015c000 rwxp 00001000 03:43 168986 /usr/lib/mythtv/filters/liblinearblend.so 0015c000-00160000 r-xp 00000000 03:43 41103 /usr/lib/libXfixes.so.3.0.0 00160000-00161000 rwxp 00003000 03:43 41103 /usr/lib/libXfixes.so.3.0.0 00161000-00162000 r-xp 00000000 03:43 168987 /usr/lib/mythtv/filters/libonefield.so 00162000-00163000 rwxp 00000000 03:43 168987 /usr/lib/mythtv/filters/libonefield.so 00163000-0016e000 r-xp 00000000 03:43 247857 /lib/libgcc_s-4.1.1-20060525.so.1 0016e000-0016f000 rwxp 0000a000 03:43 247857 /lib/libgcc_s-4.1.1-20060525.so.1 00171000-00253000 r-xp 00000000 03:43 41464 /usr/lib/libstdc++.so.6.0.8 00253000-00257000 r-xp 000e1000 03:43 41464 /usr/lib/libstdc++.so.6.0.8 00257000-00258000 rwxp 000e5000 03:43 41464 /usr/lib/libstdc++.so.6.0.8 00258000-0025e000 rwxp 00258000 00:00 0 0025e000-0025f000 r-xp 00000000 03:43 168978 /usr/lib/mythtv/filters/libbobdeint.so 0025f000-00260000 rwxp 00000000 03:43 168978 /usr/lib/mythtv/filters/libbobdeint.so 00260000-002f1000 r-xp 00000000 03:43 42454 /usr/lib/libglib-2.0.so.0.1000.3 002f1000-002f2000 rwxp 00091000 03:43 42454 /usr/lib/libglib-2.0.so.0.1000.3 002f4000-00315000 r-xp 00000000 03:43 40328 /usr/lib/libjpeg.so.62.0.0 00315000-00316000 rwxp 00020000 03:43 40328 /usr/lib/libjpeg.so.62.0.0 00318000-0031b000 r-xp 00000000 03:43 42293 /usr/lib/libmythavutil-0.19.so.0.19.0 0031b000-0031c000 rwxp 00002000 03:43 42293 /usr/lib/libmythavutil-0.19.so.0.19.0 0031c000-00327000 r-xp 00000000 03:43 462816 /usr/lib/qt-3.3/plugins/sqldrivers/libqsqlmysql.so 00327000-00328000 rwxp 0000b000 03:43 462816 /usr/lib/qt-3.3/plugins/sqldrivers/libqsqlmysql.so 00328000-0032a000 r-xp 00000000 03:43 247883 /lib/libcom_err.so.2.1 0032a000-0032b000 rwxp 00001000 03:43 247883 /lib/libcom_err.so.2.1 0032b000-0032e000 r-xp 00000000 03:43 40539 /usr/lib/libkrb5support.so.0.0 0032e000-0032f000 rwxp 00002000 03:43 40539 /usr/lib/libkrb5support.so.0.0 0032f000-00338000 r-xp 00000000 03:43 245335 /lib/libnss_files-2.4.so 00338000-00339000 r-xp 00008000 03:43 245335 /lib/libnss_files-2.4.so 00339000-0033a000 rwxp 00009000 03:43 245335 /lib/libnss_files-2.4.so 0033a000-0033c000 r-xp 00000000 03:43 168977 /usr/lib/mythtv/filters/libadjust.so 0033c000-0033d000 rwxp 00001000 03:43 168977 /usr/lib/mythtv/filters/libadjust.so 0033d000-0033f000 r-xp 00000000 03:43 168981 /usr/lib/mythtv/filters/libdenoise3d.so 0033f000-00340000 rwxp 00001000 03:43 168981 /usr/lib/mythtv/filters/libdenoise3d.so 00340000-00342000 r-xp 00000000 03:43 168985 /usr/lib/mythtv/filters/libkerneldeint.so 00342000-00343000 rwxp 00001000 03:43 168985 /usr/lib/mythtv/filters/libkerneldeint.so 00353000-00356000 r-xp 00000000 03:43 639040 /usr/lib/librom1394.so.0.2.1 00356000-00357000 rwxp 00002000 03:43 639040 /usr/lib/librom1394.so.0.2.1 00359000-0035c000 r-xp 00000000 03:43 42935 /usr/lib/libgmodule-2.0.so.0.1000.3 0035c000-0035d000 rwxp 00002000 03:43 42935 /usr/lib/libgmodule-2.0.so.0.1000.3 0035f000-00375000 r-xp 00000000 03:43 41083 /usr/lib/libXmu.so.6.2.0 00375000-00376000 rwxp 00016000 03:43 41083 /usr/lib/libXmu.so.6.2.0 00378000-003db000 r-xp 00000000 03:43 42389 /usr/lib/libmythavformat-0.19.so.0.19.0 003db000-003e1000 rwxp 00063000 03:43 42389 /usr/lib/libmythavformat-0.19.so.0.19.0 003e1000-003e5000 rwxp 003e1000 00:00 0 003e7000-0066b000 r-xp 00000000 03:43 42324 /usr/lib/libmythavcodec-0.19.so.0.19.0 0066b000-00676000 rwxp 00283000 03:43 42324 /usr/lib/libmythavcodec-0.19.so.0.19.0 00676000-006d6000 rwxp 00676000 00:00 0 0070f000-00715000 r-xp 00000000 03:43 639038 /usr/lib/libraw1394.so.8.1.1 00715000-00716000 rwxp 00005000 03:43 639038 /usr/lib/libraw1394.so.8.1.1 0071a000-0072d000 r-xp 00000000 03:43 41261 /usr/lib/libXft.so.2.1.2 0072d000-0072e000 rwxp 00012000 03:43 41261 /usr/lib/libXft.so.2.1.2 00730000-00735000 r-xp 00000000 03:43 41558 /usr/lib/liblirc_client.so.0.1.0 00735000-00736000 rwxp 00004000 03:43 41558 /usr/lib/liblirc_client.so.0.1.0 00738000-00764000 r-xp 00000000 03:43 41990 /usr/lib/libdvdnav.so.4.0.0 00764000-00765000 rwxp 0002c000 03:43 41990 /usr/lib/libdvdnav.so.4.0.0 00765000-007a6000 r-xp 00000000 03:43 247892 /lib/libssl.so.0.9.8a 007a6000-007aa000 rwxp 00040000 03:43 247892 /lib/libssl.so.0.9.8a 007ad000-007ae000 r-xp 00000000 03:43 168979 /usr/lib/mythtv/filters/libconvert.so 007ae000-007af000 rwxp 00000000 03:43 168979 /usr/lib/mythtv/filters/libconvert.so 007c2000-007c4000 r-xp 00000000 03:43 168989 /usr/lib/mythtv/filters/libquickdnr.so 007c4000-007c5000 rwxp 00001000 03:43 168989 /usr/lib/mythtv/filters/libquickdnr.so 007f8000-007fc000 r-xp 00000000 03:43 513437 /usr/X11R6/lib/libXvMCW.so.1.0.0 007fc000-007fd000 rwxp 00003000 03:43 513437 /usr/X11R6/lib/libXvMCW.so.1.0.0 00806000-0080a000 r-xp 00000000 03:43 639041 /usr/lib/libavc1394.so.0.2.1 0080a000-0080b000 rwxp 00003000 03:43 639041 /usr/lib/libavc1394.so.0.2.1 0080d000-00810000 r-xp 00000000 03:43 639043 /usr/lib/libXvMC.so.1.0.0 00810000-00811000 rwxp 00002000 03:43 639043 /usr/lib/libXvMC.so.1.0.0 0083c000-00849000 r-xp 00000000 03:43 639039 /usr/lib/libiec61883.so.0.0.0 00849000-0084a000 rwxp 0000c000 03:43 639039 /usr/lib/libiec61883.so.0.0.0 00850000-00881000 r-xp 00000000 03:43 40920 /usr/lib/liblcms.so.1.0.15 00881000-00882000 rwxp 00030000 03:43 40920 /usr/lib/liblcms.so.1.0.15 00882000-00885000 rwxp 00882000 00:00 0 00887000-00899000 r-xp 00000000 03:43 247895 /lib/libnsl-2.4.so 00899000-0089a000 r-xp 00011000 03:43 247895 /lib/libnsl-2.4.so 0089a000-0089b000 rwxp 00012000 03:43 247895 /lib/libnsl-2.4.so 0089b000-0089d000 rwxp 0089b000 00:00 0 0089f000-00907000 r-xp 00000000 03:43 40926 /usr/lib/libmng.so.1.0.0 00907000-0090a000 rwxp 00067000 03:43 40926 /usr/lib/libmng.so.1.0.0 0090a000-0097d000 r-xp 00000000 03:43 41503 /usr/lib/libkrb5.so.3.2 0097d000-0097f000 rwxp 00073000 03:43 41503 /usr/lib/libkrb5.so.3.2 009e1000-009f0000 r-xp 00000000 03:43 247877 /lib/libresolv-2.4.so 009f0000-009f1000 r-xp 0000e000 03:43 247877 /lib/libresolv-2.4.so 009f1000-009f2000 rwxp 0000f000 03:43 247877 /lib/libresolv-2.4.so 009f2000-009f4000 rwxp 009f2000 00:00 0 009f6000-00a0e000 r-xp 00000000 03:43 41504 /usr/lib/libgssapi_krb5.so.2.2 00a0e000-00a0f000 rwxp 00017000 03:43 41504 /usr/lib/libgssapi_krb5.so.2.2 00a11000-00a35000 r-xp 00000000 03:43 41502 /usr/lib/libk5crypto.so.3.0 00a35000-00a36000 rwxp 00024000 03:43 41502 /usr/lib/libk5crypto.so.3.0 00a38000-00a3c000 r-xp 00000000 03:43 639042 /usr/lib/libXv.so.1.0.0 00a3c000-00a3d000 rwxp 00003000 03:43 639042 /usr/lib/libXv.so.1.0.0 00a3f000-00a44000 r-xp 00000000 03:43 38032 /usr/lib/libartsc.so.0.0.0 00a44000-00a45000 rwxp 00005000 03:43 38032 /usr/lib/libartsc.so.0.0.0 00a4b000-00a4c000 r-xp 00a4b000 00:00 0 [vdso] 00a4c000-00a65000 r-xp 00000000 03:43 247360 /lib/ld-2.4.so 00a65000-00a66000 r-xp 00018000 03:43 247360 /lib/ld-2.4.so 00a66000-00a67000 rwxp 00019000 03:43 247360 /lib/ld-2.4.so 00a69000-00b96000 r-xp 00000000 03:43 247685 /lib/libc-2.4.so 00b96000-00b98000 r-xp 0012d000 03:43 247685 /lib/libc-2.4.so 00b98000-00b99000 rwxp 0012f000 03:43 247685 /lib/libc-2.4.so 00b99000-00b9c000 rwxp 00b99000 00:00 0 00b9e000-00bc1000 r-xp 00000000 03:43 247837 /lib/libm-2.4.so 00bc1000-00bc2000 r-xp 00022000 03:43 247837 /lib/libm-2.4.so 00bc2000-00bc3000 rwxp 00023000 03:43 247837 /lib/libm-2.4.so 00bc5000-00bc7000 r-xp 00000000 03:43 247850 /lib/libdl-2.4.so 00bc7000-00bc8000 r-xp 00001000 03:43 247850 /lib/libdl-2.4.so 00bc8000-00bc9000 rwxp 00002000 03:43 247850 /lib/libdl-2.4.so 00bcb000-00bdd000 r-xp 00000000 03:43 40205 /usr/lib/libz.so.1.2.3 00bdd000-00bde000 rwxp 00011000 03:43 40205 /usr/lib/libz.so.1.2.3 00be0000-00be2000 r-xp 00000000 03:43 40946 /usr/lib/libXau.so.6.0.0 00be2000-00be3000 rwxp 00001000 03:43 40946 /usr/lib/libXau.so.6.0.0 00be5000-00bea000 r-xp 00000000 03:43 40951 /usr/lib/libXdmcp.so.6.0.0 00bea000-00beb000 rwxp 00004000 03:43 40951 /usr/lib/libXdmcp.so.6.0.0 00bed000-00ce6000 r-xp 00000000 03:43 40952 /usr/lib/libX11.so.6.2.0 00ce6000-00cea000 rwxp 000f9000 03:43 40952 /usr/lib/libX11.so.6.2.0 00cec000-00cfb000 r-xp 00000000 03:43 40981 /usr/lib/libXext.so.6.4.0 00cfb000-00cfc000 rwxp 0000e000 03:43 40981 /usr/lib/libXext.so.6.4.0 00cfe000-00d0e000 r-xp 00000000 03:43 247847 /lib/libpthread-2.4.so 00d0e000-00d0f000 r-xp 0000f000 03:43 247847 /lib/libpthread-2.4.so 00d0f000-00d10000 rwxp 00010000 03:43 247847 /lib/libpthread-2.4.so 00d10000-00d12000 rwxp 00d10000 00:00 0 00d14000-00d33000 r-xp 00000000 03:43 247852 /lib/libexpat.so.0.5.0 00d33000-00d35000 rwxp 0001e000 03:43 247852 /lib/libexpat.so.0.5.0 00d37000-00da2000 r-xp 00000000 03:43 41252 /usr/lib/libfreetype.so.6.3.8 00da2000-00da5000 rwxp 0006a000 03:43 41252 /usr/lib/libfreetype.so.6.3.8 00da7000-00dce000 r-xp 00000000 03:43 40930 /usr/lib/libpng12.so.0.1.2.8 00dce000-00dcf000 rwxp 00026000 03:43 40930 /usr/lib/libpng12.so.0.1.2.8 00dd1000-00dd9000 r-xp 00000000 03:43 40953 /usr/lib/libXrender.so.1.3.0 00dd9000-00dda000 rwxp 00007000 03:43 40953 /usr/lib/libXrender.so.1.3.0 00ddc000-00df3000 r-xp 00000000 03:43 41270 /usr/lib/libICE.so.6.3.0 00df3000-00df4000 rwxp 00016000 03:43 41270 /usr/lib/libICE.so.6.3.0 00df4000-00df6000 rwxp 00df4000 00:00 0 00df8000-00dfb000 r-xp 00000000 03:43 41063 /usr/lib/libXrandr.so.2.0.0 00dfb000-00dfc000 rwxp 00002000 03:43 41063 /usr/lib/libXrandr.so.2.0.0 00dfc000-00f1b000 r-xp 00000000 03:43 114780 /usr/lib/mysql/libmysqlclient.so.15.0.0 00f1b000-00f5d000 rwxp 0011e000 03:43 114780 /usr/lib/mysql/libmysqlclient.so.15.0.0 00f5d000-00f5e000 rwxp 00f5d000 00:00 0 00f5e000-0107d000 r-xp 00000000 03:43 247890 /lib/libcrypto.so.0.9.8a 0107d000-01090000 rwxp 0011e000 03:43 247890 /lib/libcrypto.so.0.9.8a 01090000-01093000 rwxp 01090000 00:00 0 0156a000-0156b000 --xp 0156a000 00:00 0 0156b000-01f6b000 rwxp 0156b000 00:00 0 02000000-029e8000 r-xp 00000000 03:43 42449 /usr/lib/libmythtv-0.19.so.0.19.0 029e8000-02ade000 rwxp 009e8000 03:43 42449 /usr/lib/libmythtv-0.19.so.0.19.0 02ade000-02ae2000 rwxp 02ade000 00:00 0 03287000-03288000 --xp 03287000 00:00 0 03288000-03c88000 rwxp 03288000 00:00 0 03c88000-03c89000 --xp 03c88000 00:00 0 03c89000-04689000 rwxp 03c89000 00:00 0 04ee1000-0570b000 r-xp 00000000 03:43 229973 /usr/lib/qt-3.3/lib/libqt-mt.so.3.3.5 0570b000-0574c000 rwxp 00829000 03:43 229973 /usr/lib/qt-3.3/lib/libqt-mt.so.3.3.5 0574c000-05750000 rwxp 0574c000 00:00 0 05a8d000-05ae2000 r-xp 00000000 03:43 40574 /usr/lib/libXt.so.6.0.0 05ae2000-05ae6000 rwxp 00054000 03:43 40574 /usr/lib/libXt.so.6.0.0 05c17000-05ce8000 r-xp 00000000 03:43 247898 /lib/libasound.so.2.0.0 05ce8000-05ced000 rwxp 000d0000 03:43 247898 /lib/libasound.so.2.0.0 05cf9000-05cfd000 r-xp 00000000 03:43 42931 /usr/lib/libgthread-2.0.so.0.1000.3 05cfd000-05cfe000 rwxp 00003000 03:43 42931 /usr/lib/libgthread-2.0.so.0.1000.3 05d00000-05d05000 r-xp 00000000 03:43 247897 /lib/libcrypt-2.4.so 05d05000-05d06000 r-xp 00004000 03:43 247897 /lib/libcrypt-2.4.so 05d06000-05d07000 rwxp 00005000 03:43 247897 /lib/libcrypt-2.4.so 05d07000-05d2e000 rwxp 05d07000 00:00 0 060d0000-060d4000 r-xp 00000000 03:43 42948 /usr/lib/libXxf86vm.so.1.0.0 060d4000-060d5000 rwxp 00003000 03:43 42948 /usr/lib/libXxf86vm.so.1.0.0 060d7000-06135000 r-xp 00000000 03:43 44956 /usr/lib/libGL.so.1.2 06135000-06137000 rwxp 0005d000 03:43 44956 /usr/lib/libGL.so.1.2 06137000-06138000 rwxp 06137000 00:00 0 0613a000-06141000 r-xp 00000000 03:43 44927 /usr/lib/libdrm.so.2.0.0 06141000-06142000 rwxp 00006000 03:43 44927 /usr/lib/libdrm.so.2.0.0 0619d000-06216000 r-xp 00000000 03:43 44985 /usr/lib/libGLU.so.1.3.060402 06216000-06217000 rwxp 00078000 03:43 44985 /usr/lib/libGLU.so.1.3.060402 06217000-06218000 --xp 06217000 00:00 0 06218000-06c18000 rwxp 06218000 00:00 0 0755e000-075d2000 r-xp 00000000 03:43 41661 /usr/lib/libmp3lame.so.0.0.0 075d2000-075d4000 rwxp 00074000 03:43 41661 /usr/lib/libmp3lame.so.0.0.0 075d4000-07628000 rwxp 075d4000 00:00 0 0762a000-07910000 r-xp 00000000 03:43 42078 /usr/lib/libmyth-0.19.so.0.19.0 07910000-07936000 rwxp 002e5000 03:43 42078 /usr/lib/libmyth-0.19.so.0.19.0 07936000-07937000 rwxp 07936000 00:00 0 08048000-0810c000 r-xp 00000000 03:43 883147 /usr/bin/mythbackend 0810c000-0810d000 rwxp 000c4000 03:43 883147 /usr/bin/mythbackend 08389000-08640000 rwxp 08389000 00:00 0 [heap] accf3000-accf4000 --xp accf3000 00:00 0 accf4000-ad6f4000 rwxp accf4000 00:00 0 aeaf6000-aeaf7000 --xp aeaf6000 00:00 0 aeaf7000-af4f7000 rwxp aeaf7000 00:00 0 b08f9000-b08fa000 --xp b08f9000 00:00 0 b08fa000-b12fa000 rwxp b08fa000 00:00 0 b12fa000-b12fb000 --xp b12fa000 00:00 0 b12fb000-b1cfb000 rwxp b12fb000 00:00 0 b1cfb000-b1cfc000 --xp b1cfb000 00:00 0 b1cfc000-b26fc000 rwxp b1cfc000 00:00 0 b26fc000-b26fd000 --xp b26fc000 00:00 0 b26fd000-b30fd000 rwxp b26fd000 00:00 0 b32fe000-b36a1000 rwxp b32fe000 00:00 0 b36a1000-b3700000 --xp b36a1000 00:00 0 b3784000-b37a5000 rwxp b3784000 00:00 0 b37a5000-b37a6000 --xp b37a5000 00:00 0 b37a6000-b41a6000 rwxp b37a6000 00:00 0 b41a6000-b41a7000 --xp b41a6000 00:00 0 b41a7000-b4ba7000 rwxp b41a7000 00:00 0 b4ba7000-b4ba8000 --xp b4ba7000 00:00 0 b4ba8000-b55a8000 rwxp b4ba8000 00:00 0 b55a8000-b55a9000 --xp b55a8000 00:00 0 b55a9000-b5fa9000 rwxp b55a9000 00:00 0 b5fa9000-b5faa000 --xp b5fa9000 00:00 0 b5faa000-b69aa000 rwxp b5faa000 00:00 0 b69aa000-b69ab000 --xp b69aa000 00:00 0 b69ab000-b73ab000 rwxp b69ab000 00:00 0 b73ab000-b73ac000 --xp b73ab000 00:00 0 b73ac000-b7dac000 rwxp b73ac000 00:00 0 b7dac000-b7fac000 r-xp 00000000 03:43 36296 /usr/lib/locale/locale-archive b7fac000-b7fb9000 rwxp b7fac000 00:00 0 b7fd2000-b7fd3000 rwxp b7fd2000 00:00 0 bfdbc000-bfdd0000 rwxp bfdbc000 00:00 0 [stack] bfdd0000-bfdd2000 rw-p bfdd0000 00:00 0
