Public bug reported: Binary package hint: gdm
on feisty with gdm 2.17.4-0ubuntu1 gdm freezes when user X is already logged, user X switch user and log in as user X again. The freezes appears when gdm pop up the usual (you are already logged in as X, to you want to continue) How to reproduce: 1. login as user X 2. system->Quit->Switch user 3. login in as user X again 4. a pop up start to appear and gdm freezes using 100% CPU attach, a tar.gz of gdm strace while locking up. Summary from strace: sort gdm-strace.txt | uniq -c 28523 ioctl(3, FIONREAD, [0]) = 0 111 poll([{fd=3, events=POLLIN}], 1, 0) = 0 28522 poll([{fd=3, events=POLLIN}, {fd=3, events=POLLIN|POLLPRI}, {fd=7, events=POLLIN|POLLPRI, revents=POLLNVAL}], 3, 0) = 1 ** Affects: gdm (Ubuntu) Importance: Undecided Status: Unconfirmed -- switching to current logged in user freezes gdm https://launchpad.net/bugs/78470 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs