Re: sysctl -a hangs ?

On 03/21/17 at 05:04P, Kurt Jaeger wrote:
> Hello,
> 
> I have a freshly installed/updated FreeBSD 11.0p8 on a supermicro
> X11SSZ-TLN4F board, and
> 
> pkg install intel-ixl-kmod
> 
> and now:
> 
> sysctl -a
> 
> hangs. Any quick ideas how to debug this ?

If it's just not responding to anything, you can try to panic the box,
got to db> and see if you can find sleepchain/lockchain?
You can also take a dump and try to look at same with kgdb scripts.
You'd need kernel with WITNESS.

Cheers,
Hiren