Hmm, same bug with lp:mir/0.25 ... I would suspect it's not a Mir bug but is from this which hit zesty yesterday:
mesa (13.0.4-1ubuntu1) zesty; urgency=medium * Merge from debian. * radeonsi-always-leave-poly-offset-in-a-valid-state.diff: Dropped, upstream. mesa (13.0.4-1) unstable; urgency=medium * New upstream release. * Drop vl-zscan-fix-Fix-trivial-sign-compare-warnings.diff and r600- sb-Fix-loop-optimization-related-hangs-on-eg.diff, upstream. * Drop workaround-binutils-mips-844357.diff, binutils regression has been fixed (Closes: #852030). * Revert to debhelper compat 9 (Workaround for #851130). * Update extend-diff-ignore. -- Timo Aaltonen <tjaal...@debian.org> Mon, 06 Feb 2017 09:47:24 +0200 ** Also affects: mesa (Ubuntu) Importance: Undecided Status: New ** Changed in: mesa (Ubuntu) Status: New => Confirmed ** Changed in: mesa (Ubuntu) Importance: Undecided => Critical ** Summary changed: - Software clients of nested servers are all black starting in Mir 0.26.0 + Software clients of nested servers are all black ** Summary changed: - Software clients of nested servers are all black + [regression] Software clients of nested servers are all black ** Changed in: mir Status: Confirmed => Incomplete ** Changed in: mir/0.26 Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1663062 Title: [regression] Software clients of nested servers are all black To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1663062/+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