Re: AFS client hanged

Hi Andreas,

> On 18. Dec 2019, at 10:48, Andreas Ladanyi <[email protected]> wrote:
> 
> Hi,
> 
>>> kernel-2.6.32-696.20.1.el6.x86_64. After we upgrade to the new linux kernel and install the default openafs client version using yum(the version we used listed in the following), we have the hang issue. That's why I suspect the version compatibility.
>>> AFS clinet--sl7 : l.6.23
>>> [root@bws0825 ~]# rpm -qa|grep openafs
>>> openafs-1.6-sl-client-1.6.23-289.sl7.x86_64
>>> openafs-1.6-sl-authlibs-1.6.23-289.sl7.x86_64
>>> openafs-1.6-sl-devel-1.6.23-289.sl7.x86_64
>>> openafs-1.6-sl-module-tools-1.6.23-289.sl7.x86_64
>>> openafs-1.6-sl-krb5-1.6.23-289.sl7.x86_64
>>> openafs-1.6-sl-1.6.23-289.sl7.x86_64
>>> openafs-1.6-sl-authlibs-devel-1.6.23-289.sl7.x86_64
>>> kmod-openafs-1.6-sl-957-1.6.23-289.sl7.957.x86_64
>>> 
>>> AFS client-SL6: 1.6.23
>>> openafs-krb5-1.6.23-289.sl6.x86_64
>>> openafs-client-1.6.23-289.sl6.x86_64
>>> openafs-1.6.23-289.sl6.x86_64
>>> openafs-kpasswd-1.6.23-289.sl6.x86_64
>>> openafs-module-tools-1.6.23-289.sl6.x86_64
>>> openafs-kernel-source-1.6.23-289.sl6.x86_64
>>> openafs-firstboot-1.6-1.sl6.noarch
>>> openafs-authlibs-1.6.23-289.sl6.x86_64
>>> kmod-openafs-1.6.22.3-1.SL610.el6.noarch
>>> openafs-compat-1.6.23-289.sl6.x86_64
>>> 
> What i could see here is a version difference between kmod-openafs 1.6.22 and openafs-client 1.6.23

While 1.6.23 was a security update and yes, this looks kind of manual, it shouldn't matter.

> Does the issue appear on one client only or all clients which are upgraded ?

We run these packages on a lot of SL6 and SL7 systems, and the issue reported here at least isn't common. We seem to have a project with a usage pattern able to provoke hangs though. That has yet to be investigated. It was about something like using zsh tab completion in a git repo...