On Tuesday, April 24, 2018 06:54:20 PM Conrad Meyer wrote: > Author: cem > Date: Tue Apr 24 18:54:20 2018 > New Revision: 332959 > URL: https://svnweb.freebsd.org/changeset/base/332959 > > Log: > panic: Optionally, trace secondary panics > > To diagnose and fix secondary panics, it is useful to have a stack trace. > When panic tracing is enabled, optionally trace secondary panics as well. > > The option is configured with the tunable/sysctl debug.trace_all_panics. > > (The original concern that inspired only tracing the primary panic was > likely that the secondary trace may scroll the original panic message or > trace > off the screen. This is less of a concern for serial consoles with logging. > Not everything has a serial console, though, so the behavior is optional.)
Note that KDB_TRACE is enabled by default, so you would need it to always default to false to preserve existing behavior by default. -- John Baldwin _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "[email protected]"
