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

Fabian Grünbichler f.gruenbichler at proxmox.com
Mon Jul 4 07:42:51 CEST 2016

On Sun, Jul 03, 2016 at 08:58:40PM +0200, Michael Rasmussen wrote:
> Hi all,
> After facing problems with mysterious "crashes" of proxmox nodes I have
> been doing some extensive tests this weekend. My tests have shown that
> this kernel has introduced a regression concerning NFS. The problems is
> must visible on Infiniband but Intel ethernet nics are also heart by
> this regression.
> How to reproduce:
> Put a lot of load on a NFS mount like making backup, creating a CT or
> creating a VM.
> What will happen:
> The nic(s) involved will stop passing traffic through and only way to
> bring them back up is ifdown nic && ifup nic. Problem with this for NFS
> mounts is that NFS in its default configuration will wait indefinitely
> because of mount option 'hard' bringing the hole node down which can
> only be resolved by a reboot of the node.
> Because of this I have reverted to pve-kernel-4.4.8-1-pve which works
> as expected.


could you give the 4.4.13 kernel from pve-no-subscription a try? More
detailled logs and/or stack traces would of course also be welcome.


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