Package: libx11-6 Version: 2:1.6.10-1 Severity: critical $ emacs -Q Fatal error 11: Segmentation fault Backtrace: emacs[0x5111be] emacs[0x4f6ead] emacs[0x50f63e] emacs[0x50f86d] emacs[0x50f8e9] /lib/x86_64-linux-gnu/libpthread.so.0(+0x14140)[0x7fb642ee6140] emacs[0x4d94b0] emacs[0x4d9897] emacs[0x4da4df] emacs[0x56dc2c] emacs[0x5a74c0] emacs[0x56dbab] emacs[0x5a74c0] emacs[0x56dbab] emacs[0x56f90b] emacs[0x56dc2c] emacs[0x5a74c0] emacs[0x56dbab] emacs[0x5a74c0] emacs[0x56dbab] emacs[0x5a74c0] emacs[0x56dbab] emacs[0x5a74c0] emacs[0x56dbab] emacs[0x5a74c0] emacs[0x570726] emacs[0x56fcc6] emacs[0x571c1c] emacs[0x56cd7e] emacs[0x4f8470] emacs[0x56cced] emacs[0x4f71f8] emacs[0x4fc2b3] emacs[0x4fc5f8] emacs[0x41a5c2] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea)[0x7fb642c06cca] emacs[0x41b29a] Segmentation fault
# dpkg -i libx11-6_2%3a1.6.9-2+b1_amd64.deb dpkg: warning: downgrading libx11-6:amd64 from 2:1.6.10-1 to 2:1.6.9-2+b1 $ emacs -Q now works OK again. Versions of packages libx11-6:amd64 depends on: ii libc6 2.31-2 ii libx11-data 2:1.6.10-1 ii libxcb1 1.14-2
