Package: libqt5x11extras5 Followup-For: Bug #802811 Dear Maintainer,
I can confirm this problem. After upgrading libqt5x11extras5 from 5.4.2-2+b1 to 5.5.1-2 I get segfaults on execution of nearly all KDE programs. kernel: drkonqi[21514]: segfault at 0 ip 00007f51bb302a74 sp 00007ffee7bcf2a0 error 4 in libxcb.so.1.1.0[7f51bb2f8000+21000] kernel: kate[20110]: segfault at 0 ip 00007f4970e58a74 sp 00007ffe33644420 error 4 in libxcb.so.1.1.0[7f4970e4e000+21000] kernel: kwrite[20197]: segfault at 0 ip 00007f146cf19a74 sp 00007ffed9f43330 error 4 in libxcb.so.1.1.0[7f146cf0f000+21000] ... This is especially a problem since 5.5.1-2 was migrated to testing this morning. Installation of libqt5xcbqpa5 is not an option because it hits the ongoing qtbase-abi-5-5-1 transition. The downgrade of libqt5x11extras5 to version 5.4.2-2+b1 fixes the problem. Best regards Moritz -- System Information: Debian Release: stretch/sid APT prefers testing-updates APT policy: (900, 'testing-updates'), (900, 'testing-proposed-updates'), (900, 'testing'), (50, 'unstable'), (49, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.2.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages libqt5x11extras5 depends on: ii libc6 2.19-22 ii libqt5core5a 5.4.2+dfsg-9 ii libqt5gui5 5.4.2+dfsg-9 libqt5x11extras5 recommends no packages. libqt5x11extras5 suggests no packages. -- no debconf information