Re: [PATCH v2 0/2] Fix MCE handling on AMD hosts

2023-09-05 Thread John Allen via
On Thu, Aug 31, 2023 at 11:40:08PM +0200, William Roche wrote: > Hello John, > > I could test your fixes and I can confirm that the BUS_MCEERR_AR is now > working on AMD: > > Before the fix, the VM panics with: > > qemu-system-x86_64: Guest MCE Memory Error at QEMU addr 0x7f89573ce000 and > GUES

Re: [PATCH v2 0/2] Fix MCE handling on AMD hosts

2023-08-31 Thread William Roche
Hello John, I could test your fixes and I can confirm that the BUS_MCEERR_AR is now working on AMD: Before the fix, the VM panics with: qemu-system-x86_64: Guest MCE Memory Error at QEMU addr 0x7f89573ce000 and GUEST addr 0x10b5ce000 of type BUS_MCEERR_AR injected [   83.562579] mce: [Hardwa

[PATCH v2 0/2] Fix MCE handling on AMD hosts

2023-07-26 Thread John Allen
In the event that a guest process attempts to access memory that has been poisoned in response to a deferred uncorrected MCE, an AMD system will currently generate a SIGBUS error which will result in the entire guest being shutdown. Ideally, we only want to kill the guest process that accessed pois