Re: [issue2008] lwkt_setcpu_remote: td->td_flags 00800621 console flood

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>]

:New submission from Peter Avalos <peter@theshell.com>:
:
:I woke up to the console spewing this message infinitely.  I couldn't seem to
:break out of it, and had to power cycle the machine.  Kernel is: DragonFly
:v2.9.1.747.gf7b29d-DEVELOPMENT #42: Sun Feb 20 19:53:37 HST 2011
:
:status: unread
:title: lwkt_setcpu_remote: td->td_flags 00800621 console flood

    Hmm.  Too bad we couldn't get a core.  I suspect the IPIQ fifo has
    filled up and caused a livelock against another cpu trying to
    migrate a thread at the same time.

    I think I will have to change the cpu migration mechanics, the current
    algorithm is clearly too fragile.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>