Mike Banon:
Excellent discovery, awokd and qubes123!
qubes123 gets 100% of the credit, I merely confirmed it.
Please try to somehow upstream your solution to Xen.
Idea: find a way to detect a CPU type before executing this
"recheck_cpu_features(0)"
function, and if it is AMD CPU - maybe just skip this check :
Xen is difficult to debug without a classic onboard serial port for
console output. Has to be some bug in that function.
- if ( !recheck_cpu_features(0) )
+/* if ( cpu_is_not_amd() && !recheck_cpu_features(0) )
panic("Missing previously available feature(s).");
-
+*/
Perhaps this problem affects all the AMD and not just the coreboot'ed ones,
but maybe only a few people are using AMD laptop with xen so nobody noticed it
That crossed my mind as well.
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