This bug was fixed in the package xorg-server - 2:1.9.99.901+git20110131.be3be758-0ubuntu5
--------------- xorg-server (2:1.9.99.901+git20110131.be3be758-0ubuntu5) natty; urgency=low * Add 213_xichangehierarchy-check-oom.patch: Another NULL pointer check for out-of-memory conditions, this time leading to a segfault in an unchecked calloc in XISendDeviceHierarchyEvent(). (LP: #720445) -- Bryce Harrington <br...@ubuntu.com> Wed, 16 Feb 2011 16:46:35 -0800 ** Changed in: xorg-server (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/720445 Title: Xorg crashed with SIGSEGV in _start() -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs