panic: assertion: iou->io.lock.refs == 0 in hammer_io_inval

[Thomas Nikolajsen]

Panic is on nfs server; no crash seen on client.

 -thomas
-
Thomas Nikolajsen wrote:
> I get this panic consistently after 5-20 minutes when doing buildworld,
> using nfs mount for /usr/src & /usr/obj and using hammer on nfs
> server.
> 
> Crash dump on leaf in crash/hammer/ask/*.2.
> 
> No panic when using local file system (e.g. hammer) for /usr/obj.
> 
>  -thomas
. .