Re: port-i386/52266: Double fault early in boot with AMD Am5x86 CPU

[Andreas Gustafsson <gson%gson.org@localhost>]

The following reply was made to PR port-i386/52266; it has been noted by GNATS.

From: Andreas Gustafsson <gson%gson.org@localhost>
To: nonaka%NetBSD.org@localhost
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: port-i386/52266: Double fault early in boot with AMD Am5x86 CPU
Date: Tue, 11 Jul 2017 20:34:11 +0300

 Nonaka,
 
 I added some debug printfs to lapic_is_x2apic(), and found that
 on my Crusoe machine, cpu_feature[0] has the value 0x0084803f.
 If I change the "ISSET(cpu_feature[0], CPUID_MSR)"
 in your patch to "ISSET(cpu_feature[0], CPUID_APIC)", the
 kernel boots successfully.
 -- 
 Andreas Gustafsson, gson%gson.org@localhost