[19:17] wxl: that critical bug was a regression in the latest dpkg release [19:17] wxl: Yakkety only, but serious [19:18] Eg, debian #830267. [19:18] Debian bug 830267 in dpkg "dpkg: Segmentation fault when purging package in APT test case" [Serious,Open] http://bugs.debian.org/830267 [19:19] thanks Unit193, linking to the open bug report