On 18-09-12 11:37, Stanislav Kinsbursky wrote:NSM RPC client can be required on NFSv3 umount, when child reaper is dying
(and destroying it's mount namespace). It means, that current nsproxy is set
to NULL already, but creation of RPC client requires UTS namespace for gaining
hostname string.
This patch creates reference-counted per-net NSM client on first monitor
request and destroys it after last unmonitor request.
We're hitting the BUG_ON that was added in this patch. I've tried it with
3.6.3 and 3.6.4
It happens almost immediate when I do apt-get update (the archive is on NFS).