I submit the backtrace when icedove freeze:
*** glibc detected *** /usr/lib/icedove/icedove-bin: double free or
corruption (fasttop): 0x0a64ee80 ***
======= Backtrace: =========
/lib/i686/cmov/libc.so.6[0xb74928f5]
/lib/i686/cmov/libc.so.6(cfree+0x90)[0xb7496360]
/usr/lib/libtalloc.so.1(talloc_free+0x153)[0xb3c0c443]
/lib/libnss_wins.so.2[0xb10dac49]
/usr/lib/libtalloc.so.1(talloc_free+0x271)[0xb3c0c561]
/lib/libnss_wins.so.2(alloc_sub_basic+0xa32)[0xb1105810]
/lib/libnss_wins.so.2(talloc_sub_basic+0x33)[0xb1105dde]
/lib/libnss_wins.so.2[0xb1048f39]
/lib/libnss_wins.so.2(lp_lockdir+0x27)[0xb104a0aa]
/lib/libnss_wins.so.2(lock_path+0x17)[0xb10ffed3]
/lib/libnss_wins.so.2(receive_unexpected+0x21)[0xb109f9f7]
/lib/libnss_wins.so.2(receive_nmb_packet+0x62)[0xb10a276d]
/lib/libnss_wins.so.2(name_query+0x2d5)[0xb10a3fb7]
/lib/libnss_wins.so.2(_nss_wins_gethostbyname_r+0x361)[0xb104524c]
/lib/libnss_wins.so.2(_nss_wins_gethostbyname2_r+0x4f)[0xb10454f5]
/lib/i686/cmov/libc.so.6[0xb74e3142]
/lib/i686/cmov/libc.so.6(getaddrinfo+0x191)[0xb74e49b1]
/usr/lib/libnspr4.so.0d(PR_GetAddrInfoByName+0x129)[0xb7dabdf9]
/usr/lib/icedove/components/libnecko.so[0xb59c5239]
/usr/lib/libnspr4.so.0d[0xb7db97d1]
/lib/i686/cmov/libpthread.so.0[0xb7d7e4fb]
/lib/i686/cmov/libc.so.6(clone+0x5e)[0xb74fdd7e]
======= Memory map: ========
08048000-0805a000 r-xp 00000000 08:1a 180417
/usr/lib/icedove/icedove-bin
0805a000-0805c000 rw-p 00011000 08:1a 180417
/usr/lib/icedove/icedove-bin
09be9000-0b386000 rw-p 09be9000 00:00 0 [heap]
ab3f9000-ab3fa000 ---p ab3f9000 00:00 0
ab3fa000-abbfa000 rw-p ab3fa000 00:00 0
abbfa000-abbfb000 ---p abbfa000 00:00 0
abbfb000-ac3fb000 rw-p abbfb000 00:00 0
ac3fb000-ac3fc000 ---p ac3fb000 00:00 0
ac3fc000-acbfc000 rw-p ac3fc000 00:00 0
acbfc000-acbfd000 ---p acbfc000 00:00 0
acbfd000-ad3fd000 rw-p acbfd000 00:00 0
ad3fd000-ad3fe000 ---p ad3fd000 00:00 0
ad3fe000-adbfe000 rw-p ad3fe000 00:00 0
adbfe000-adbff000 ---p adbfe000 00:00 0
adbff000-ae3ff000 rw-p adbff000 00:00 0
ae3ff000-ae400000 ---p ae3ff000 00:00 0
ae400000-aec00000 rw-p ae400000 00:00 0
aee00000-aeef4000 rw-p aee00000 00:00 0
aeef4000-aef00000 ---p aeef4000 00:00 0
aef00000-aefff000 rw-p aef00000 00:00 0
aefff000-af000000 ---p aefff000 00:00 0
af000000-af0fe000 rw-p af000000 00:00 0
af0fe000-af100000 ---p af0fe000 00:00 0
af100000-af200000 rw-p af100000 00:00 0
af200000-af300000 rw-p af200000 00:00 0
af400000-af4c1000 rw-p af400000 00:00 0
af4c1000-af500000 ---p af4c1000 00:00 0
af500000-af5f1000 rw-p af500000 00:00 0
af5f1000-af600000 ---p af5f1000 00:00 0
af600000-af6f9000 rw-p af600000 00:00 0
af6f9000-af700000 ---p af6f9000 00:00 0
af700000-af7ec000 rw-p af700000 00:00 0
af7ec000-af800000 ---p af7ec000 00:00 0
af800000-af8f3000 rw-p af800000 00:00 0
af8f3000-af900000 ---p af8f3000 00:00 0
afa00000-afaf1000 rw-p afa00000 00:00 0
afaf1000-afb00000 ---p afaf1000 00:00 0
afc00000-afcf1000 rw-p afc00000 00:00 0
afcf1000-afd00000 ---p afcf1000 00:00 0
afd00000-afdf1000 rw-p afd00000 00:00 0
afdf1000-afe00000 ---p afdf1000 00:00 0
afe00000-afef1000 rw-p afe00000 00:00 0
afef1000-aff00000 ---p afef1000 00:00 0
aff00000-afff5000 rw-p aff00000 00:00 0
afff5000-b0000000 ---p afff5000 00:00 0
b0000000-b00f1000 rw-p b0000000 00:00 0
b00f1000-b0100000 ---p b00f1000 00:00 0
b0100000-b01f7000 rw-p b0100000 00:00 0
b01f7000-b0200000 ---p b01f7000 00:00 0
b0200000-b02fd000 rw-p b0200000 00:00 0
b02fd000-b0300000 ---p b02fd000 00:00 0
b0300000-b03d1000 rw-p b0300000 00:00 0
b03d1000-b0400000 ---p b03d1000 00:00 0
b0400000-b04fb000 rw-p b0400000 00:00 0
b04fb000-b0500000 ---p b04fb000 00:00 0
b0500000-b05f7000 rw-p b0500000 00:00 0
b05f7000-b0600000 ---p b05f7000 00:00 0
b0600000-b06fd000 rw-p b0600000 00:00 0
b06fd000-b0700000 ---p b06fd000 00:00 0
b0700000-b07f2000 rw-p b0700000 00:00 0
b07f2000-b0800000 ---p b07f2000 00:00 0
b087c000-b097f000 rw-p b087c000 00:00 0
b098e000-b0a00000 r--p 00000000 08:1a 506999
/usr/share/fonts/truetype/freefont/FreeSans.ttf
b0a00000-b0af6000 rw-p b0a00000 00:00 0
b0af6000-b0b00000 ---p b0af6000 00:00 0
b0b3d000-b0c3e000 rw-p b0b3d000 00:00 0
b0c3e000-b0c40000 r-xp 00000000 08:11 224931
/lib/libnss_mdns4_minimal.so.2
b0c40000-b0c41000 rw-p 00001000 08:11 224931
/lib/libnss_mdns4_minimal.so.2
b0c58000-b0df1000 rw-p b0c58000 00:00 0
b0df1000-b0e00000 ---p b0df1000 00:00 0
b0e31000-b0e32000 rw-p b0e31000 00:00 0
b0e35000-b0e39000 r-xp 00000000 08:11 140601
/lib/i686/cmov/libnss_dns-2.7.so
b0e39000-b0e3b000 rw-p 00003000 08:11 140601
/lib/i686/cmov/libnss_dns-2.7.so
b0e3b000-b0e5e000 r--p 00000000 08:1a 507120
/usr/share/fonts/truetype/msttcorefonts/Verdana.ttf
b0e5e000-b0e7e000 r--s 00000000 08:1a 16510
/usr/share/samba/lowcase.dat
b0e7e000-b0e9e000 r--s 00000000 08:1a 16516 /usr/share/samba/upcase.dat
b0e9e000-b0ea5000 r-xp 00000000 08:1a 157283
/usr/lib/libkrb5support.so.0.1
b0ea5000-b0ea6000 rw-p 00006000 08:1a 157283
/usr/lib/libkrb5support.so.0.1
b0ea6000-b0ebc000 r-xp 00000000 08:1a 157153 /usr/lib/libsasl2.so.2.0.22
b0ebc000-b0ebd000 rw-p 00015000 08:1a 157153 /usr/lib/libsasl2.so.2.0.22
b0ebd000-b0ec6000 r-xp 00000000 08:11 140592
/lib/i686/cmov/libcrypt-2.7.so
b0ec6000-b0ec8000 rw-p 00008000 08:11 140592
/lib/i686/cmov/libcrypt-2.7.so
b0ec8000-b0eef000 rw-p b0ec8000 00:00 0
b0eef000-b0f12000 r-xp 00000000 08:1a 156112 /usr/lib/libk5crypto.so.3.1
b0f12000-b0f13000 rw-p 00023000 08:1a 156112 /usr/lib/libk5crypto.so.3.1
b0f13000-b0fa5000 r-xp 00000000 08:1a 156116 /usr/lib/libkrb5.so.3.3
b0fa5000-b0fa7000 rw-p 00092000 08:1a 156116 /usr/lib/libkrb5.so.3.3
b0fa7000-b0fd0000 r-xp 00000000 08:1a 156110
/usr/lib/libgssapi_krb5.so.2.2
b0fd0000-b0fd1000 rw-p 00028000 08:1a 156110
/usr/lib/libgssapi_krb5.so.2.2
b0fd1000-b100f000 r-xp 00000000 08:1a 157392
/usr/lib/libldap_r-2.4.so.2.0.6
b100f000-b1011000 rw-p 0003d000 08:1a 157392
/usr/lib/libldap_r-2.4.so.2.0.6
b1011000-b1012000 rw-p b1011000 00:00 0
b1012000-b11c7000 r-xp 00000000 08:11 120688 /lib/libnss_wins.so.2
b11c7000-b11ca000 r--p 001b5000 08:11 120688 /lib/libnss_wins.so.2
b11ca000-b11d0000 rw-p 001b8000 08:11 120688 /lib/libnss_wins.so.2
b11d0000-b11d1000 rw-p b11d0000 00:00 0
b11d1000-b11d2000 ---p b11d1000 00:00 0
b11d2000-b19d2000 rw-p b11d2000 00:00 0
b19d2000-b19d3000 ---p b19d2000 00:00 0
b19d3000-b21d3000 rw-p b19d3000 00:00 0
b21d3000-b21d4000 ---p b21d3000 00:00 0
b21d4000-b29d4000 rw-p b21d4000 00:00 0
b29d4000-b2a15000 r-xp 00000000 08:1a 197196 /usr/lib/nss/libnssckbi.so
b2a15000-b2a1f000 rw-p 00040000 08:1a 197196 /usr/lib/nss/libnssckbi.so
b2a1f000-b2a5a000 r-xp 00000000 08:1a 196882 /usr/lib/nss/libfreebl3.so
b2a5a000-b2a5b000 rw-p 0003a000 08:1a 196882 /usr/lib/nss/libfreebl3.so
b2a5b000-b2a77000 r-xp 00000000 08:1a 197190 /usr/lib/nss/libnssdbm3.so
b2a77000-b2a78000 rw-p 0001b000 08:1a 197190 /usr/lib/nss/libnssdbm3.so
b2a78000-b2ae5000 r-xp 00000000 08:1a 157171
/usr/lib/libsqlite3.so.0.8.6
b2ae5000-b2ae7000 rw-p 0006c000 08:1a 157171
/usr/lib/libsqlite3.so.0.8.6
b2aeb000-b2aee000 r--s 00000000 08:16 111572 /var/run/samba/gencache.tdb
b2aee000-b2afe000 r--s 00000000 08:1a 16517 /usr/share/samba/valid.dat
b2afe000-b2aff000 ---p b2afe000 00:00 0
b2aff000-b32ff000 rw-p b2aff000 00:00 0
b32ff000-b3300000 ---p b32ff000 00:00 0
b3300000-b3bfe000 rw-p b3300000 00:00 0
b3bfe000-b3c00000 ---p b3bfe000 00:00 0
b3c00000-b3c02000 r-xp 00000000 08:1a 156658 /usr/lib/gconv/IBM850.so
b3c02000-b3c04000 rw-p 00001000 08:1a 156658 /usr/lib/gconv/IBM850.so
b3c04000-b3c06000 r-xp 00000000 08:11 120572 /lib/libkeyutils-1.2.so
b3c06000-b3c07000 rw-p 00001000 08:11 120572 /lib/libkeyutils-1.2.so
b3c07000-b3c0e000 r-xp 00000000 08:1a 157060 /usr/lib/libtalloc.so.1.2.0
b3c0e000-b3c0f000 rw-p 00006000 08:1a 157060 /usr/lib/libtalloc.so.1.2.0
b3c0f000-b3c11000 r-xp 00000000 08:11 120494 /lib/libcom_err.so.2.1
b3c11000-b3c12000 rw-p 00001000 08:11 120494 /lib/libcom_err.so.2.1
b3c12000-b3c3c000 r-xp 00000000 08:1a 197175 /usr/lib/nss/libsoftokn3.so
b3c3c000-b3c3d000 rw-p 0002a000 08:1a 197175 /usr/lib/nss/libsoftokn3.so
b3c3d000-b3c3e000 rw-p b3c3d000 00:00 0
b3c3e000-b3c9e000 rw-s 00000000 00:08 1015822 /SYSV00000000 (deleted)
b3c9e000-b3cfe000 rw-s 00000000 00:08 983053
/usr/lib/icedove/run-mozilla.sh: line 131: 4503 Killed
"$prog" ${1+"$@"}
--
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