On Mon, May 23, 2016 at 10:31:54AM +0000, Hans Petter Selasky wrote:
H> Author: hselasky
H> Date: Mon May 23 10:31:54 2016
H> New Revision: 300489
H> URL: https://svnweb.freebsd.org/changeset/base/300489
H>
H> Log:
H> Use DELAY() instead of _sleep() when SCHEDULER_STOPPED() is set inside
H> pause_sbt(). This allows pause() to continue working during a panic()
H> which is not invoking KDB. This is useful when debugging graphics
H> drivers using the LinuxKPI.
H>
H> Obtained from: kmacy @
H> MFC after: 1 week
I wonder if this will help me with my freezes after panics in geom_mirror()
and in mps(4), which I handled as similar patches to these drivers theirselves.
Thanks!
H> Modified: head/sys/kern/kern_synch.c
H>
==============================================================================
H> --- head/sys/kern/kern_synch.c Mon May 23 09:44:06 2016
(r300488)
H> +++ head/sys/kern/kern_synch.c Mon May 23 10:31:54 2016
(r300489)
H> @@ -327,7 +327,7 @@ pause_sbt(const char *wmesg, sbintime_t
H> if (sbt == 0)
H> sbt = tick_sbt;
H>
H> - if (cold || kdb_active) {
H> + if (cold || kdb_active || SCHEDULER_STOPPED()) {
H> /*
H> * We delay one second at a time to avoid overflowing the
H> * system specific DELAY() function(s):
--
Totus tuus, Glebius.
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
