Program received signal SIGABRT, Aborted. [...] (gdb) gcore foobar Couldn't get registers: No such process. (gdb) info threads [...] (gdb) gcore foobar Saved corefile foobar (gdb) gcore tries to access the exited thread: [Thread 0x7ffff7fce700 (LWP 6895) exited] ptrace(PTRACE_GETREGS, 6895, 0, 0x7fff18167dd0) = -1 ESRCH (No such process)
Fixed for 7.8 by: commit 14adc931130880d75eccc023cbaec68790960235 Author: Jan Kratochvil <jan.kratochvil@redhat.com> Date: Thu Aug 21 20:36:20 2014 +0200 Fix 'gcore' with exited threads