Re: reboot -f in guest not working with recent Vserver versions
Herbert Poetzl <[email protected]>
| Newsgroups | gmane.linux.vserver |
|---|---|
| Message-ID | <[email protected]> |
On Wed, Dec 21, 2011 at 02:43:01PM +0900, Christian Balzer wrote: > Hello, > Client OS is Debian Squeeze, identical install in both cases. > Host OS is also Debian Squeeze with custom kernel. > Older one runs: > Kernel: 2.6.33.5-vs2.3.0.36.30.4 > VS-API: 0x00020305 > util-vserver: 0.30.215; Jun 18 2010, 13:35:17 > Newer one runs: > Kernel: 3.0.7-vs2.3.1 > VS-API: 0x00020308 > VCI: 0x0000000013001f11 > util-vserver: 0.30.216-pre2986; Aug 29 2011, 07:49:51 > As the tin says, reboot -f inside a guest works on the old one, > but not on the new one. > That is, on the new one it will shut down, but not restart. no need to mention that you want newer util-vserver for recent kernels, but the problem seems to be cgroup related (and a workaround in util-vserver might be required) you can enable debugging with the following commands: mkdir -p /etc/vservers/.defaults/apps/vshelper ln -s /var/log/vshelper.log /etc/vservers/.defaults/apps/vshelper/logfile mkdir -p /etc/vservers/<name>/apps/vshelper touch /etc/vservers/<name>/apps/vshelper/debug I expect the output to be something like this: Wed Dec 21 16:56:21 UTC 2011: vshelper restart 40003 Restarting vserver '/etc/vservers/foo' /usr/lib64/util-vserver/vserver.functions: line 1603: echo: write error: Invalid argument Failed to start vserver 'foo' and the line mentioned above to be echo "$$" > "$mnt/$CGROUP_BASE$name/tasks" haven't had the time to look into the actual issue yet, but it might as well be a kernel issue (i.e. the vshelper executing in the wrong cgroup/namespace) HTH, Herbert > Regards, > Christian > -- > Christian Balzer Network/Systems Engineer > [email protected] Global OnLine Japan/Fusion Communications > http://www.gol.com/