On Mon, Oct 06, 2025 at 05:11:19PM +0100, Kevin Chadwick wrote: > How can I get extra info about a segfault every 20 minutes or so in a largely > idle xenodm on one old amd64 machine. Apparently it's been happening for > quite a > while on Current.
Now would indeed be a good time to report it. ;) > I tried starting with debug 10 and DisplayManager.debugLevel: 1 but I still > only get > > Segmentation fault at address 0x20 > > Caught Signal 11 (segmentation Fault). Server aborting > > It does say server for display :0 terminated unexpectedly: 2816 2816 is 11 * 256, which gives no more information the SIGSEGV / Signal 11 mentioned above. Try to use sysctl kern.nosuidcoredump=2 # or 3 and then look for a core file in /var/crash which you can analyze with egdb (pkg_add gdb, egdb program program.core, "bt"). The report ought to be sent to bugs@ using sendbug(1). -- jca
