Same problem for me in ubuntu 13.04. This is my output. If any more debugging is nessecary please let me know, i really want to fix this.
boris@werk-laptop:~$ remmina Remmina plugin VNC (type=Protocol) registered. Remmina plugin VNCI (type=Protocol) registered. Remmina plugin RDP (type=Protocol) registered. Remmina plugin RDPF (type=File) registered. Remmina plugin RDPS (type=Preference) registered. Remmina plugin SFTP (type=Protocol) registered. Remmina plugin SSH (type=Protocol) registered. connected to 10.160.25.33:3389 null server certificate *** Error in `remmina': free(): invalid next size (normal): 0x00007ff0bc0e01c0 *** ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x80a46)[0x7ff0f9db5a46] /usr/lib/x86_64-linux-gnu/libfreerdp-gdi.so.1.0(gdi_DeleteObject+0x3e)[0x7ff0ecfd494e] /usr/lib/x86_64-linux-gnu/libfreerdp-gdi.so.1.0(gdi_Bitmap_Free+0x28)[0x7ff0ecfd58e8] /usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.0(Bitmap_Free+0xc)[0x7ff0ed2006fc] /usr/lib/x86_64-linux-gnu/libfreerdp-cache.so.1.0(update_gdi_cache_bitmap_v2+0xa5)[0x7ff0ec32e625] /usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.0(update_recv_secondary_order+0xb8)[0x7ff0ed1ffd28] /usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.0(fastpath_recv_updates+0x3eb)[0x7ff0ed208a7b] /usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.0(+0x2a98a)[0x7ff0ed20698a] /usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.0(+0x2abd0)[0x7ff0ed206bd0] /usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.0(transport_check_fds+0x122)[0x7ff0ed209e52] /usr/lib/x86_64-linux-gnu/libfreerdp-core.so.1.0(freerdp_check_fds+0x13)[0x7ff0ed2003f3] /usr/lib/remmina/plugins/remmina-plugin-rdp.so(+0x7cc1)[0x7ff0ed427cc1] /usr/lib/remmina/plugins/remmina-plugin-rdp.so(+0x801a)[0x7ff0ed42801a] /lib/x86_64-linux-gnu/libpthread.so.0(+0x7f8e)[0x7ff0faa71f8e] /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7ff0f9e2ee1d] ======= Memory map: ======== 00400000-00449000 r-xp 00000000 08:01 3146747 /usr/bin/remmina 00649000-0064a000 r--p 00049000 08:01 3146747 /usr/bin/remmina 0064a000-0064d000 rw-p 0004a000 08:01 3146747 /usr/bin/remmina 0070f000-00c0a000 rw-p 00000000 00:00 0 [heap] 7ff0b3816000-7ff0b4000000 rw-p 00000000 00:00 0 7ff0b4000000-7ff0b4021000 rw-p 00000000 00:00 0 7ff0b4021000-7ff0b8000000 ---p 00000000 00:00 0 7ff0b8000000-7ff0b8021000 rw-p 00000000 00:00 0 7ff0b8021000-7ff0bc000000 ---p 00000000 00:00 0 7ff0bc000000-7ff0bc0e8000 rw-p 00000000 00:00 0 7ff0bc0e8000-7ff0c0000000 ---p 00000000 00:00 0 7ff0c03de000-7ff0c03df000 ---p 00000000 00:00 0 7ff0c03df000-7ff0c0bdf000 rw-p 00000000 00:00 0 [stack:9628] 7ff0c0bdf000-7ff0c0be0000 ---p 00000000 00:00 0 7ff0c0be0000-7ff0c13e0000 rw-p 00000000 00:00 0 [stack:9627] 7ff0c13e0000-7ff0c9a8a000 r--p 00000000 08:01 4344349 /usr/share/icons/hicolor/icon-theme.cache 7ff0c9a8a000-7ff0d2134000 r--p 00000000 08:01 4344349 /usr/share/icons/hicolor/icon-theme.cache 7ff0d2134000-7ff0d709a000 r--p 00000000 08:01 4349759 /usr/share/icons/gnome/icon-theme.cache 7ff0d709a000-7ff0dc000000 r--p 00000000 08:01 4349759 /usr/share/icons/gnome/icon-theme.cache 7ff0dc000000-7ff0dc022000 rw-p 00000000 00:00 0 7ff0dc022000-7ff0e0000000 ---p 00000000 00:00 0 7ff0e0000000-7ff0e0022000 rw-p 00000000 00:00 0 7ff0e0022000-7ff0e4000000 ---p 00000000 00:00 0 7ff0e41db000-7ff0e41e1000 r-xp 00000000 08:01 3410571 /usr/lib/x86_64-linux-gnu/freerdp/disk.so 7ff0e41e1000-7ff0e43e0000 ---p 00006000 08:01 3410571 /usr/lib/x86_64-linux-gnu/freerdp/disk.so 7ff0e43e0000-7ff0e43e1000 r--p 00005000 08:01 3410571 /usr/lib/x86_64-linux-gnu/freerdp/disk.so 7ff0e43e1000-7ff0e43e2000 rw-p 00006000 08:01 3410571 /usr/lib/x86_64-linux-gnu/freerdp/disk.so 7ff0e43e2000-7ff0e43e3000 ---p 00000000 00:00 0 7ff0e43e3000-7ff0e53cd000 rw-p 00000000 00:00 0 [stack:9626] 7ff0e53cd000-7ff0e53d0000 r-xp 00000000 08:01 3410577 /usr/lib/x86_64-linux-gnu/freerdp/rdpdr.so 7ff0e53d0000-7ff0e55cf000 ---p 00003000 08:01 3410577 /usr/lib/x86_64-linux-gnu/freerdp/rdpdr.so 7ff0e55cf000-7ff0e55d0000 r--p 00002000 08:01 3410577 /usr/lib/x86_64-linux-gnu/freerdp/rdpdr.so 7ff0e55d0000-7ff0e55d1000 rw-p 00003000 08:01 3410577 /usr/lib/x86_64-linux-gnu/freerdp/rdpdr.so 7ff0e55d1000-7ff0e55d4000 r-xp 00000000 08:01 3410570 /usr/lib/x86_64-linux-gnu/freerdp/cliprdr.so 7ff0e55d4000-7ff0e57d3000 ---p 00003000 08:01 3410570 /usr/lib/x86_64-linux-gnu/freerdp/cliprdr.so 7ff0e57d3000-7ff0e57d4000 r--p 00002000 08:01 3410570 /usr/lib/x86_64-linux-gnu/freerdp/cliprdr.so 7ff0e57d4000-7ff0e57d5000 rw-p 00003000 08:01 3410570 /usr/lib/x86_64-linux-gnu/freerdp/cliprdr.so 7ff0e57d5000-7ff0e57d6000 ---p 00000000 00:00 0 7ff0e57d6000-7ff0e5fd6000 rw-p 00000000 00:00 0 [stack:9625] 7ff0e5fd6000-7ff0e6019000 r-xp 00000000 08:01 3153512 /usr/lib/x86_64-linux-gnu/libibus-1.0.so.0.402.0 7ff0e6019000-7ff0e6218000 ---p 00043000 08:01 3153512 /usr/lib/x86_64-linux-gnu/libibus-1.0.so.0.402.0 7ff0e6218000-7ff0e621a000 r--p 00042000 08:01 3153512 /usr/lib/x86_64-linux-gnu/libibus-1.0.so.0.402.0 7ff0e621a000-7ff0e621b000 rw-p 00044000 08:01 3153512 /usr/lib/x86_64-linux-gnu/libibus-1.0.so.0.402.0 7ff0e621b000-7ff0e621c000 rw-p 00000000 00:00 0 7ff0e621c000-7ff0e6222000 r-xp 00000000 08:01 3539310 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so 7ff0e6222000-7ff0e6421000 ---p 00006000 08:01 3539310 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so 7ff0e6421000-7ff0e6422000 r--p 00005000 08:01 3539310 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so 7ff0e6422000-7ff0e6423000 rw-p 00006000 08:01 3539310 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-ibus.so 7ff0e6423000-7ff0e6523000 rw-s 00000000 00:04 130580501 /SYSV00000000 (deleted) 7ff0e6523000-7ff0e6544000 r-xp 00000000 08:01 4984521 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7ff0e6544000-7ff0e6743000 ---p 00021000 08:01 4984521 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7ff0e6743000-7ff0e6744000 r--p 00020000 08:01 4984521 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7ff0e6744000-7ff0e6745000 rw-p 00021000 08:01 4984521 /lib/x86_64-linux-gnu/liblzma.so.5.0.0 7ff0e6745000-7ff0e689e000 r-xp 00000000 08:01 3147768 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.0 7ff0e689e000-7ff0e6a9d000 ---p 00159000 08:01 3147768 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.0 7ff0e6a9d000-7ff0e6aa5000 r--p 00158000 08:01 3147768 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.0 7ff0e6aa5000-7ff0e6aa7000 rw-p 00160000 08:01 3147768 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.0 7ff0e6aa7000-7ff0e6aa8000 rw-p 00000000 00:00 0 7ff0e6aa8000-7ff0e6adf000 r-xp 00000000 08:01 3153194 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1 7ff0e6adf000-7ff0e6cde000 ---p 00037000 08:01 3153194 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1 7ff0e6cde000-7ff0e6ce1000 r--p 00036000 08:01 3153194 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1 7ff0e6ce1000-7ff0e6ce2000 rw-p 00039000 08:01 3153194 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1 7ff0e6ce2000-7ff0e6d16000 r-xp 00000000 08:01 3153747 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.36.4 7ff0e6d16000-7ff0e6f15000 ---p 00034000 08:01 3153747 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.36.4 7ff0e6f15000-7ff0e6f16000 r--p 00033000 08:01 3153747 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.36.4 7ff0e6f16000-7ff0e6f17000 rw-p 00034000 08:01 3153747 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.36.4 7ff0e6f36000-7ff0e6f37000 rw-p 00000000 00:00 0 7ff0e6f37000-7ff0e6f39000 r-xp 00000000 08:01 3539252 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so 7ff0e6f39000-7ff0e7138000 ---p 00002000 08:01 3539252 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so 7ff0e7138000-7ff0e7139000 r--p 00001000 08:01 3539252 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so 7ff0e7139000-7ff0e713a000 rw-p 00002000 08:01 3539252 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so 7ff0e713a000-7ff0e718c000 r--p 00000000 08:01 4064634 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf 7ff0e718c000-7ff0e71e3000 r--p 00000000 08:01 4064665 /usr/share/fonts/truetype/ubuntu-font-family/Ubuntu-R.ttf 7ff0e71e3000-7ff0e71e6000 r-xp 00000000 08:01 3539451 /usr/lib/x86_64-linux-gnu/pango/1.8.0/modules/pango-basic-fc.so 7ff0e71e6000-7ff0e73e5000 ---p 00003000 08:01 3539451 /usr/lib/x86_64-linux-gnu/pango/1.8.0/modules/pango-basic-fc.so 7ff0e73e5000-7ff0e73e6000 r--p 00002000 08:01 3539451 /usr/lib/x86_64-linux-gnu/pango/1.8.0/modules/pango-basic-fc.so 7ff0e73e6000-7ff0e73e7000 rw-p 00003000 08:01 3539451 /usr/lib/x86_64-linux-gnu/pango/1.8.0/modules/pango-basic-fc.so 7ff0e73e7000-7ff0e73e8000 r--s 00000000 08:01 6029528 /var/cache/fontconfig/c05880de57d1f5e948fdfacc138775d9-le64.cache-3 7ff0e73e8000-7ff0e73f1000 r--s 00000000 08:01 6029520 /var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-le64.cache-3 7ff0e73f1000-7ff0e73f3000 r--s 00000000 08:01 6029522 /var/cache/fontconfig/99e8ed0e538f840c565b6ed5dad60d56-le64.cache-3 7ff0e73f3000-7ff0e73f8000 r-xp 00000000 08:01 3539319 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/menuproxies/libappmenu.so 7ff0e73f8000-7ff0e75f7000 ---p 00005000 08:01 3539319 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/menuproxies/libappmenu.so 7ff0e75f7000-7ff0e75f8000 r--p 00004000 08:01 3539319 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/menuproxies/libappmenu.so 7ff0e75f8000-7ff0e75f9000 rw-p 00005000 08:01 3539319 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/menuproxies/libappmenu.so 7ff0e75f9000-7ff0e75fd000 r-xp 00000000 08:01 3539248 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so 7ff0e75fd000-7ff0e77fd000 ---p 00004000 08:01 3539248 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so 7ff0e77fd000-7ff0e77fe000 r--p 00004000 08:01 3539248 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so 7ff0e77fe000-7ff0e77ff000 rw-p 00005000 08:01 3539248 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so 7ff0e77ff000-7ff0e7800000 ---p 00000000 00:00 0 7ff0e7800000-7ff0e8000000 rw-p 00000000 00:00 0 [stack:9624] 7ff0e8000000-7ff0e8021000 rw-p 00000000 00:00 0 7ff0e8021000-7ff0ec000000 ---p 00000000 00:00 0 7ff0ec000000-7ff0ec005000 r--s 00000000 08:01 6029505 /var/cache/fontconfig/2cd17615ca594fa2959ae173292e504c-le64.cache-3 7ff0ec005000-7ff0ec006000 r--s 00000000 08:01 6029536 /var/cache/fontconfig/e7071f4a29fa870f4323321c154eba04-le64.cache-3 7ff0ec006000-7ff0ec007000 r--s 00000000 08:01 6029502 /var/cache/fontconfig/0d8c3b2ac0904cb8a57a757ad11a4a08-le64.cache-3 7ff0ec007000-7ff0ec00d000 r--s 00000000 08:01 6029524 /var/cache/fontconfig/a755afe4a08bf5b97852ceb7400b47bc-le64.cache-3 7ff0ec00d000-7ff0ec01d000 r--s 00000000 08:01 6029500 /var/cache/fontconfig/04aabc0a78ac019cf9454389977116d2-le64.cache-3 7ff0ec01d000-7ff0ec107000 r--p 00000000 08:01 3935353 /usr/share/icons/Humanity/icon-theme.cache 7ff0ec107000-7ff0ec12a000 r-xp 00000000 08:01 3153914 /usr/lib/x86_64-linux-gnu/libxkbfile.so.1.0.2 7ff0ec12a000-7ff0ec32a000 ---p 00023000 08:01 3153914 /usr/lib/x86_64-linux-gnu/libxkbfile.so.1.0.2 7ff0ec32a000-7ff0ec32b000 r--p 00023000 08:01 3153914 /usr/lib/x86_64-linux-gnu/libxkbfile.so.1.0.2 7ff0ec32b000-7ff0ec32c000 rw-p 00024000 08:01 3153914 /usr/lib/x86_64-linux-gnu/libxkbfile.so.1.0.2 7ff0ec32c000-7ff0ec331000 r-xp 00000000 08:01 3153294 /usr/lib/x86_64-linux-gnu/libfreerdp-cache.so.1.0.1 7ff0ec331000-7ff0ec530000 ---p 00005000 08:01 3153294 /usr/lib/x86_64-linux-gnu/libfreerdp-cache.so.1.0.1 7ff0ec530000-7ff0ec531000 r--p 00004000 08:01 3153294 /usr/lib/x86_64-linux-gnu/libfreerdp-cache.so.1.0.1 7ff0ec531000-7ff0ec532000 rw-p 00005000 08:01 3153294 /usr/lib/x86_64-linux-gnu/libfreerdp-cache.so.1.0.1 7ff0ec532000-7ff0ec53e000 r-xp 00000000 08:01 3153308 /usr/lib/x86_64-linux-gnu/libfreerdp-utils.so.1.0.1 7ff0ec53e000-7ff0ec73d000 ---p 0000c000 08:01 3153308 /usr/lib/x86_64-linux-gnu/libfreerdp-utils.so.1.0.1 7ff0ec73d000-7ff0ec73e000 r--p 0000b000 08:01 3153308 /usr/lib/x86_64-linux-gnu/libfreerdp-utils.so.1.0.1 7ff0ec73e000-7ff0ec73f000 rw-p 0000c000 08:01 3153308 /usr/lib/x86_64-linux-gnu/libfreerdp-utils.so.1.0.1 7ff0ec73f000-7ff0ec792000 r-xp 00000000 08:01 4982507 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7ff0ec792000-7ff0ec992000 ---p 00053000 08:01 4982507 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7ff0ec992000-7ff0ec995000 r--p 00053000 08:01 4982507 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7ff0ec995000-7ff0ec99b000 rw-p 00056000 08:01 4982507 /lib/x86_64-linux-gnu/libssl.so.1.0.0 7ff0ec99b000-7ff0ec99c000 rw-p 00000000 00:00 0 7ff0ec99c000-7ff0ec9a0000 r-xp 00000000 08:01 3153296 /usr/lib/x86_64-linux-gnu/libfreerdp-channels.so.1.0.1 7ff0ec9a0000-7ff0ecb9f000 ---p 00004000 08:01 3153296 /usr/lib/x86_64-linux-gnu/libfreerdp-channels.so.1.0.1Aborted (core dumped) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/868677 Title: remmina assert failure: remmina: ../../src/xcb_io.c:273: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. 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