Re: wired entry count problem on sun3x pmap

On Sep 5, 2006, at 6:29 AM, Izumi Tsutsui wrote:

> I wrote:
>
>> Unfortunately, after ~15 hours build on pkgsrc/lang/perl5
>> my 3/80 still got "panic: get_c_table: out of C tables." panic.
>> I'll try to see if it's caused by real shortage (by fragments)
>> or other leakage.
>
> I added some debug printf()s on C table shortage, and then
> more than a half of tables look still unused on the panic.
> So it looks the TAILQ structure corruption.
> Actually, the panic sometime happened during bootstrap,
> right after ntpd was started. (mlockall() might trigger it?)
>
> I wonder if we have to protect these TAILQ ops against A, B and C
> tables by splvm()/splx() pairs... Comments?

If those tables can be allocated as a side-effect of calling malloc 
(9), then yes.

-- thorpej