[Kernel-packages] [Bug 1598285] Re: possible deadlock while using the cgroup freezer on a container with NFS-based workload

I've sent an inquiry to the upstream maintainers for assistance. I've also taken a stab at a fix, which I think should prevent the hang, but I'm not sure whether or not it might cause other problems. The patch and test build are here: http://people.canonical.com/~sforshee/lp1598285/ I've

[Kernel-packages] [Bug 1598285] Re: possible deadlock while using the cgroup freezer on a container with NFS-based workload

** Changed in: linux (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1598285 Title: possible deadlock while using the cgroup freezer on a

[Kernel-packages] [Bug 1598285] Re: possible deadlock while using the cgroup freezer on a container with NFS-based workload

We have two processes hung, seemingly waiting on i_mutex, pids 20035 and 20036. Pid 20032 is frozen with the following stack trace: [] __refrigerator+0x7a/0x140 [] nfs4_handle_exception+0x118/0x130 [nfsv4] [] nfs4_proc_remove+0x7d/0xf0 [nfsv4] [] nfs_unlink+0x149/0x350 [nfs] []