Версия 2.4.20-alt1 падает при старте, версия 2.4.19-alt3 работает.

 systemd[1]: Starting cups.service - CUPS Scheduler...
 cupsd[102669]: double free or corruption (!prev)
 systemd-coredump[102670]: Process 102669 (cupsd) of user 0 terminated abnormally with signal 6/ABRT, processing.>
 systemd[1]: Started systemd-coredump@15-4-102670_107826-0.service - Process Core Dump (PID 102670/UID 0).
 systemd-coredump[102671]: Process 102669 (cupsd) of user 0 dumped core.
                                                             
                                                             Stack trace of thread 102669:
                                                             #0  0x00007f53e43049cc n/a (libc.so.6 + 0x989cc)
                                                             #1  0x00007f53e42ad0d6 raise (libc.so.6 + 0x410d6)
                                                             #2  0x00007f53e4295360 abort (libc.so.6 + 0x29360)
                                                             #3  0x00007f53e42963a7 n/a (libc.so.6 + 0x2a3a7)
                                                             #4  0x00007f53e430ea3e n/a (libc.so.6 + 0xa2a3e)
                                                             #5  0x00007f53e431038c n/a (libc.so.6 + 0xa438c)
                                                             #6  0x00007f53e43103f5 n/a (libc.so.6 + 0xa43f5)
                                                             #7  0x00007f53e44cc3d4 _ppdCacheDestroy (libcups.so.2 + 0x653d4)
                                                             #8  0x000055712bbd74ad n/a (/usr/sbin/cupsd + 0x534ad)
                                                             ELF object binary architecture: AMD x86-64
 systemd[1]: cups.service: Main process exited, code=dumped, status=6/ABRT
 systemd[1]: cups.service: Failed with result 'core-dump'.
 systemd[1]: Failed to start cups.service - CUPS Scheduler.