> I talked with Andrew about this problem and he said that there is some sort
> of a lock in our uvm which if it is locked can make pool_cache_get return
> NULL even if there is enough memory available. My question is do someone has
> any idea where problem can be ?
You can get clue by doing:
- Buikd a kernel with
- DDB
- UVMHIST
- KASSERT() to check if pool_cache_get() returns NULL
- Run the kernel, trigger the assertion failure
- Enter 'call uvm_hist' in ddb prompt
Masao
--
Masao Uebayashi / Tombi Inc. / Tel: +81-90-9141-4635
