On Fri, Jan 18, 2013 at 11:56:27AM -0500, Ryan Stone wrote:
I have been experiencing occasional deadlocks on FreeBSD 8.2 systems using
the ULE scheduler. The root cause in every case has been that ULE's
TDQ_LOCK for cpu 0 is owned by a thread that is not running. I have been
investigating
On Sun, Jan 20, 2013 at 5:29 AM, Konstantin Belousov kostik...@gmail.comwrote:
Both atrtc and hpet register the interrupt handler as the filter.
The filters call loop enters critical section around handlers, see
kern_intr.c:intr_event_handle(). At least on HEAD it is so, and I see
the same
I have been experiencing occasional deadlocks on FreeBSD 8.2 systems using
the ULE scheduler. The root cause in every case has been that ULE's
TDQ_LOCK for cpu 0 is owned by a thread that is not running. I have been
investigating the issue, and I believe that I see the issue. The problem
occurs