[pve-devel] pve-kernel-4.4.10-1-pve woes

Eric Blevins ericlb100 at gmail.com
Wed Jul 6 18:46:30 CEST 2016


Might not be your problem but there is a known issue with IPoIB and NFS
resulting in a deadlock.


Originally only the mlx4 driver was fixed:
https://lkml.org/lkml/2014/5/11/50
I noticed qib was patched earlier this year:
http://comments.gmane.org/gmane.linux.drivers.rdma/32914



On Mon, Jul 4, 2016 at 1:39 PM, Michael Rasmussen <mir at datanom.net> wrote:

> On Mon, 4 Jul 2016 07:42:51 +0200
> Fabian Grünbichler <f.gruenbichler at proxmox.com> wrote:
>
> >
> > could you give the 4.4.13 kernel from pve-no-subscription a try? More
> I have installed 4.4.13 on a node.
> 1) Created a Debian Jessie container and a Ubuntu-15-10 container on a
> IB NFS share
> 2) Installed bonnie++ on both
> 3) Run bonnie++ -d /tmp -r2048 -u mir on both in parallel
> 4) Run some backup to same NFS share and another NFS share over bonded
> igb. Both sequential and in parallel
>
> No nic freeze and nothing logged to syslog on the node what so ever;-)
>
> I will keep this node running on this kernel for a couple of days to see
> whether the nic should freeze or other NFS related issue before I will
> make my final conclusion.
>
> I will keep you posted.
>
> --
> Hilsen/Regards
> Michael Rasmussen
>
> Get my public GnuPG keys:
> michael <at> rasmussen <dot> cc
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> mir <at> datanom <dot> net
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C
> mir <at> miras <dot> org
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
> --------------------------------------------------------------
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> a few of the children in the world shouldn't be raised by beginners.
>
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