Re: [NetBSD 5.99.23] kern_lwp cannot allocate memory

[BERTRAND Joel <joel.bertrand%systella.fr@localhost>]

matthew green a écrit :
> i've noticed that my ss20 can't run the regress/lib/libpthread/find
> test without lowering my stack size.
>
> this test gets the current stacksize and allocates it approximately
> 350 times:
>
> #define NUM 100
>          for (i = 0; i<  NUM; i++) {
>                 ...
>                  malloc((random()&  7) * sl.rlim_cur);
>         }
>
> by default for me, it fails on the last iteration.  if i lower
> my stacksize limit from 8MB to 6MB it does not fail.  if i raise
> my stackszie limit to the maximum, it fails after 23 iterations.
>
> i can't get the t_lwpctl test to fail though.

	It's a strange bug. When this bug occurs, it is reproductible until I 
reboot my SS20. I think there is a kernel stack corruption somewhere in 
kernel but I can not invetigate. My SS20 is not stable enough :-(

        Regards,

        JKB