Seeing the same thing here too. Upgraded a virtual-machine to 12.04, and now when I try to connect to it from an 11.10 system via XDMCP I get the same crash
$sudo Xnest :2 -query work-vm.local [dix] Could not init font path element /usr/share/fonts/X11/cyrillic, removing from list! *** glibc detected *** Xnest: free(): corrupted unsorted chunks: 0x000000000236daf0 *** ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x7a6e6)[0x7f0364a066e6] /lib/x86_64-linux-gnu/libc.so.6(cfree+0x6c)[0x7f0364a0a9cc] Xnest(SrvXkbResizeKeyType+0x63d)[0x4d866d] Xnest[0x4b7ded] Xnest[0x4bac38] Xnest[0x4f79d9] Xnest[0x419aee] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)[0x7f03649ad30d] Xnest[0x419ddd] Its interesting that the crash happens on 11.10, the only thing that chaged is the xdmcp server was upgraded to 12.04. Connecting to a 11.10 machine works fine. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/939434 Title: Xnest and Xephyr stopped working after recent update (corrupted mem) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/939434/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
