2010/5/14 Giovanni Trematerra <giovanni.tremate...@gmail.com>: > On Thu, May 13, 2010 at 1:09 AM, Brandon Gooch > <jamesbrandongo...@gmail.com> wrote: >> On Wed, May 12, 2010 at 9:41 AM, Attilio Rao <atti...@freebsd.org> wrote: >>> 2010/5/12 David DEMELIER <demelier.da...@gmail.com>: >>>> I remove the patch, and built the kernel (I updated the src this >>>> morning) and it does not panic now. It's really odd. If it reappears >>>> soon I will tell you. >>> >>> I looked at the code with Giovanni and I have the feeling that the >>> race with the idle thread may still be fatal. >>> We need to fix that. >>> >>> Attilio >>> >> >> That seems to be the case, as my laptop shows about an 80-85 % chance >> of experiencing a panic if left idle for long-ish periods of time (2 >> to 4 hours). I usually rebuild world or big ports overnight, and more >> often than not I wake up to a panicked machine, same situation every >> time: >> >> ... >> rman_get_bushandle() at rman_get_bushandle+0x1 >> sched_idletd() at sched_idletd+0x123 >> fork_exit() at fork_exit+0x12a >> fork_trampoline() at fork_trampoline+0xe >> ... >> >> The kernel/userland is rebuilt, the ports are finished compiling -- >> it's in the time AFTER the completion of all tasks that the machine >> gets bored and tries to kill itself :) >> >> I have seen the AC adapter plug/unplug "hang" in the past on this >> laptop, but I never made the connection between the events, as >> nowadays my laptop usually stays plugged in :( >> >> Attilio, I hope you can track this one down, let me know if I can do >> anything to help or test... >> > > Attilio and I came up with this patch. It seems ready for stress > testing and review > Please test and report back.
I have still to review it completely, hope to do that asap. Attilio -- Peace can only be achieved by understanding - A. Einstein _______________________________________________ freebsd-acpi@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "freebsd-acpi-unsubscr...@freebsd.org"
