I think this is fixed since 1.6. The backtrace seems to point into the old dix save-under code, which no longer exists as of 1.6 (but did in 1.5, when these backtraces seem to originate).
-- 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/274988 Title: Xorg crashed with SIGSEGV in miValidateTree if BackingStore option used - compUnredirectWindow+0x7b To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/274988/+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