Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-02 Thread Theo de Raadt
Mike Larkin wrote: > On Thu, Aug 02, 2018 at 09:22:53AM +0200, Nulani t'Acraya wrote: > > Hello, > > > > Something similar also appears to also be affecting bhyve, at least on an > > AMD Opteron 4228 HE. The error produced is different depending on > > whether bhyve is instructed to ignore acces

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-02 Thread Mike Larkin
On Thu, Aug 02, 2018 at 09:22:53AM +0200, Nulani t'Acraya wrote: > Hello, > > Something similar also appears to also be affecting bhyve, at least on an > AMD Opteron 4228 HE. The error produced is different depending on > whether bhyve is instructed to ignore accessed to model specific registers >

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-02 Thread Penty Wenngren
On Wed, Aug 01, 2018 at 03:46:25PM +0200, Elmer Skjødt Henriksen wrote: > After installing the 014_amdlfence patch released yesterday for 6.3, my > OpenBSD VM crashes on boot. It's running under KVM on a Linux box (Ubuntu > 18.04 w/ kernel 4.15) on an AMD Ryzen 7 1700 (microcode 0x8001137). > I sup

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-02 Thread Nulani t'Acraya
Hello, Something similar also appears to also be affecting bhyve, at least on an AMD Opteron 4228 HE. The error produced is different depending on whether bhyve is instructed to ignore accessed to model specific registers that are not implemented in the current CPU. I haven't had to have that flag

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-01 Thread Bryan Steele
On Wed, Aug 01, 2018 at 01:07:33PM -0700, Mike Larkin wrote: > On Wed, Aug 01, 2018 at 12:14:59PM -0400, Bryan Steele wrote: > > On Wed, Aug 01, 2018 at 11:27:26AM -0400, Bryan Steele wrote: > > > On Wed, Aug 01, 2018 at 03:46:25PM +0200, Elmer Skjødt Henriksen wrote: > > > > After installing the 0

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-01 Thread Mike Larkin
On Wed, Aug 01, 2018 at 12:14:59PM -0400, Bryan Steele wrote: > On Wed, Aug 01, 2018 at 11:27:26AM -0400, Bryan Steele wrote: > > On Wed, Aug 01, 2018 at 03:46:25PM +0200, Elmer Skjødt Henriksen wrote: > > > After installing the 014_amdlfence patch released yesterday for 6.3, my > > > OpenBSD VM cr

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-01 Thread Mike Larkin
On Wed, Aug 01, 2018 at 12:14:59PM -0400, Bryan Steele wrote: > On Wed, Aug 01, 2018 at 11:27:26AM -0400, Bryan Steele wrote: > > On Wed, Aug 01, 2018 at 03:46:25PM +0200, Elmer Skjødt Henriksen wrote: > > > After installing the 014_amdlfence patch released yesterday for 6.3, my > > > OpenBSD VM cr

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-01 Thread Bryan Steele
On Wed, Aug 01, 2018 at 11:27:26AM -0400, Bryan Steele wrote: > On Wed, Aug 01, 2018 at 03:46:25PM +0200, Elmer Skjødt Henriksen wrote: > > After installing the 014_amdlfence patch released yesterday for 6.3, my > > OpenBSD VM crashes on boot. It's running under KVM on a Linux box (Ubuntu > > 18.04

Re: 014_amdlfence.patch breaks OpenBSD VMs on AMD systems

2018-08-01 Thread Bryan Steele
On Wed, Aug 01, 2018 at 03:46:25PM +0200, Elmer Skjødt Henriksen wrote: > After installing the 014_amdlfence patch released yesterday for 6.3, my > OpenBSD VM crashes on boot. It's running under KVM on a Linux box (Ubuntu > 18.04 w/ kernel 4.15) on an AMD Ryzen 7 1700 (microcode 0x8001137). > I sup