[CentOS] CentOS7 latest kernel still does not run KVM guests

2022-12-20 Thread Bill Gee
The two latest kernels for CentOS7 are complete fails for running KVM and QEMU guest machines. Version 3.10.0-1160.76.1 works correctly. Both 3.10.0-1160.80.1 and 3.10.0-1160.81.1 will hang within seconds of launching any virtual machine. It is a HARD hang. I have to pull the power cord fro

Re: [CentOS] CentOS7 latest kernel still does not run KVM guests

2022-12-20 Thread Johnny Hughes
On 12/20/22 06:50, Bill Gee wrote: The two latest kernels for CentOS7 are complete fails for running KVM and QEMU guest machines. Version 3.10.0-1160.76.1 works correctly.  Both 3.10.0-1160.80.1 and 3.10.0-1160.81.1 will hang within seconds of launching any virtual machine.  It is a HARD hang

Re: [CentOS] CentOS7 latest kernel still does not run KVM guests

2022-12-20 Thread Johnny Hughes
On 12/20/22 07:25, Johnny Hughes wrote: On 12/20/22 06:50, Bill Gee wrote: The two latest kernels for CentOS7 are complete fails for running KVM and QEMU guest machines. Version 3.10.0-1160.76.1 works correctly.  Both 3.10.0-1160.80.1 and 3.10.0-1160.81.1 will hang within seconds of launching

Re: [CentOS] CentOS7 latest kernel still does not run KVM guests

2022-12-20 Thread Bill Gee
Hi Johnny - Yipes, I hate problems like this! The host computer is a SuperMicro C2SBC-Q mainboard. The processor is an Intel Core2-Quad Q9400. Yes, it is x86_64 architecture. The display adapter is an older nVidia GeForce 8400 GS, and I use the nouveau driver for it. Selinux is disabled.

Re: [CentOS] CentOS7 latest kernel still does not run KVM guests

2022-12-20 Thread Christopher Wensink
I have had two different Router machines do something similar on the IPFire OS, and the core cause ended up being power related.  One power supply was intermittently dying with the whole system hanging, and the only option was a hard reset.  The second system also had issues with the hard drive

Re: [CentOS] CentOS7 latest kernel still does not run KVM guests

2022-12-20 Thread Bill Gee
Hmmm I have dealt with bad power supplies. I doubt it is the problem in this case. If it were a power supply, then why does the system work perfectly on the older kernel? In fact, the system runs great on the newest kernel, right up to the point where a VM is started. It will run for

Re: [CentOS] CentOS7 latest kernel still does not run KVM guests

2022-12-20 Thread Joshua Kramer
"In fact, the system runs great on the newest kernel, right up to the point where a VM is started. It will run for days as long as I never start a VM. Start a VM and BAM! It is hung hard." Are you required to use "official supported kernels" or do you have some flexibility? My main KVM host is