__assert_fail_base (fmt=, assertion=assertion@entry=0x7f1636d18d0f "ec >= 0", file=file@entry=0x7f1636d1ba78 "../sysdeps/unix/sysv/linux/spawni.c", line=line@entry=368, function=function@entry=0x7f1636d1baa0 <__PRETTY_FUNCTION__.10333> "__spawnix") at assert.c:92 __GI___assert_fail (assertion=0x7f1636d18d0f "ec >= 0", file=0x7f1636d1ba78 "../sysdeps/unix/sysv/linux/spawni.c", line=368, function=0x7f1636d1baa0 <__PRETTY_FUNCTION__.10333> "__spawnix") at assert.c:101 __spawnix (pid=0x7ffe71929114, file=0x7ffe71928c90 "/usr/lib/cups/daemon/cups-exec", file_actions=0x7ffe719286d0, attrp=, argv=0x7ffe719288f0, envp=0x7ffe71929140, xflags=0, exec=0x7f1636c4af80 ) at ../sysdeps/unix/sysv/linux/spawni.c:368 __spawni (pid=, file=, acts=, attrp=, argv=, envp=, xflags=0) at ../sysdeps/unix/sysv/linux/spawni.c:395 __posix_spawn (pid=, path=, file_actions=, attrp=, argv=, envp=) at spawn.c:30