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.NativeThreadOwner == hNativeSelf
Location :
/home/vbox/tinderbox/6.1-lnx64-rel/src/VBox/VMM/VMMAll/PDMAllCritSect.cpp(579)
int PDMCritSectLeave(PDMCRITSECT*)
[ 234.088963] ffffae7c82e9e000 <R3_STRING>: ffffffffffffffff !=
00007f479c2b2640; cLockers=-1 cNestings=1
This problem is reported in https://www.virtualbox.org/ticket/20456.
It happens even with test build 6.1.x revision 145620.
If anyone has any patches for this problem, please let me know.
Thanks,
Larry
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