Re: [vbox-dev] VM failure when 5-level page tables are enabled

2021-07-14 Thread Larry Finger
On 7/14/21 4:12 PM, Klaus Espenlaub wrote: patch to deal with CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT see the ticket. So far we have no clear reports of anyone running into actual 5-level page table issues. None of the available logs are for hardware which has the feature. There could be an (un

Re: [vbox-dev] VM failure when 5-level page tables are enabled

2021-07-14 Thread Klaus Espenlaub
patch to deal with CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT see the ticket. So far we have no clear reports of anyone running into actual 5-level page table issues. None of the available logs are for hardware which has the feature. There could be an (unrelated) issue, because we couldn't yet tes

[vbox-dev] VM failure when 5-level page tables are enabled

2021-07-12 Thread Larry Finger
When openSUSE Tumbleweed configured kernel 5.13.0, they enabled 5-level page tables. Under this change, most, if not all, VMs fail with a Guru Mediation page being shown. The host log shows [ 234.088947] !!Assertion Failed!! Expression: pCritSect->s.Core.NativeThr