Re: vrele vs. syncer deadlock

["J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>]

> On 11 Dec 2016, at 21:01, David Holland <dholland-tech%netbsd.org@localhost> wrote:
> 
> On a low-memory machine Nick ran into the following deadlock:
> 
>  (a) rename -> vrele on child -> inactive -> truncate -> getblk ->
>      no memory in buffer pool -> wait for syncer
>  (b) syncer waiting for locked parent vnode from the rename

Do you have full backtrace?
Where is the syncer waiting for the parent?
Which file system? 

--
J. Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig (Germany)