Re: Vmm CentOS Linux guests freezes randomly

2018-08-28 Thread Mike Larkin
On Tue, Aug 28, 2018 at 12:58:24PM -0700, Mike Larkin wrote: > On Tue, Aug 28, 2018 at 04:44:48PM -0300, Fabio Almeida wrote: > > No, sometimes it just vanishes, as if the vm was halted, most of the time > > Add this to /etc/sysctl.conf: > > kern.nosuidcoredump=3 > PS this requires a reboot af

Re: Vmm CentOS Linux guests freezes randomly

2018-08-28 Thread Mike Larkin
On Tue, Aug 28, 2018 at 04:44:48PM -0300, Fabio Almeida wrote: > No, sometimes it just vanishes, as if the vm was halted, most of the time Add this to /etc/sysctl.conf: kern.nosuidcoredump=3 and mkdir /var/crash/vmd Then the next time a vmd process vanishes, send me the core file (offline) and

Re: Vmm CentOS Linux guests freezes randomly

2018-08-28 Thread Fabio Almeida
No, sometimes it just vanishes, as if the vm was halted, most of the time however it stays stuck, vmd cant be restarted or stopped until the VM's associated vmd process is killed by "kill -9". In fact the the entire system cant be halted or rebooted until theses processes get killed. There's no 10

Re: Vmm CentOS Linux guests freezes randomly

2018-08-28 Thread Mike Larkin
On Tue, Aug 28, 2018 at 02:42:19PM -0300, Fabio Almeida wrote: > In fact, it seens that any Linux, tried Alpine and Ubuntu also. > If you have any suggestion I can give it a try. > When the VM freezes, does it's associated vmd process go to 100% cpu? -ml > On Tue, Aug 28, 2018 at 2:35 PM Mike L

Re: Vmm CentOS Linux guests freezes randomly

2018-08-28 Thread Fabio Almeida
In fact, it seens that any Linux, tried Alpine and Ubuntu also. If you have any suggestion I can give it a try. On Tue, Aug 28, 2018 at 2:35 PM Mike Larkin wrote: > On Tue, Aug 28, 2018 at 08:31:06AM -0300, Fabio Almeida wrote: > > The VM freezes, cant ssh, cant ping also. > > I've disabled som

Re: Vmm CentOS Linux guests freezes randomly

2018-08-28 Thread Mike Larkin
On Tue, Aug 28, 2018 at 08:31:06AM -0300, Fabio Almeida wrote: > The VM freezes, cant ssh, cant ping also. > I've disabled some BIOS settings like AMT and other cpu related security > settings, but it had no effect as a VM just froze again. > Is it only CentOS 1804 that fails? -ml > On Tue, Au

Re: Vmm CentOS Linux guests freezes randomly

2018-08-28 Thread Fabio Almeida
The VM freezes, cant ssh, cant ping also. I've disabled some BIOS settings like AMT and other cpu related security settings, but it had no effect as a VM just froze again. On Tue, Aug 28, 2018 at 12:47 AM Mike Larkin wrote: > On Mon, Aug 27, 2018 at 04:47:31PM -0300, Fabio Almeida wrote: > > Hi

Re: Vmm CentOS Linux guests freezes randomly

2018-08-27 Thread Mike Larkin
On Mon, Aug 27, 2018 at 04:47:31PM -0300, Fabio Almeida wrote: > Hi, > > I'm running current, trying to run 4 Linux guests (to build a kubernetes > cluster), installed > CentOS Linux release 7.5.1804 (Core) without problems. > It appears to work fine, tried with 3G and 2G RAM each guest, my machin

Vmm CentOS Linux guests freezes randomly

2018-08-27 Thread Fabio Almeida
Hi, I'm running current, trying to run 4 Linux guests (to build a kubernetes cluster), installed CentOS Linux release 7.5.1804 (Core) without problems. It appears to work fine, tried with 3G and 2G RAM each guest, my machine has 32G of RAM. Changed grub to start with: clocksource=tsc console=ttyS