Looking at the changelog, the patch has been pull in yesterday: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=435deffefbb07d9a0cafef4 So marking this bug as fixed.
** Changed in: qemu Status: New => Fix Committed -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1568356 Title: ERROR:ui/sdl2-2d.c:120:sdl2_2d_switch: Status in QEMU: Fix Committed Bug description: when display sdl is selected in display switch resolution qemu exit with a core dump with this message ERROR:ui/sdl2-2d.c:120:sdl2_2d_switch: code should not be reached My Machine is a Cyrus+ PowerPc P5020 4gb ram Radeon 6570 2Gb This issue affected PowerMac G5 quad too . My distro is Mate 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1568356/+subscriptions