[BUG] I think sleepqueue need to be protected in sleepq_broadcast

[kevin]

Dmitry Morozovsky wrote:
> On Sat, 23 Aug 2008, kevin wrote:
>
> k> Sorry, panic does not work well for me.My system has 4G mem,but only 1.6G swap.When i want to get a coredump,it freeze at last.
> k> I can easily reproduce the panic. 
>
> set hw.physmem=1G in /boot/loader.conf ?
>
> [snip]
>
>
> Sincerely,
> D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
> [ FreeBSD committer:                                 marck at FreeBSD.org ]
> ------------------------------------------------------------------------
> *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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>   
I set hw.physmem=1G in /boot/loader.conf,but still can't core dump to swap.
it look like this:
db>c
Uptime:3h54m9s
Physical memory:1005 MB
Dumping 640MB:
then stop here,and do nothing.

Thanks,
kevin