Date: Fri, 27 Sep 2013 14:55:59 +0000 (UTC) From: Peter Grehan <grehan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r255911 - head/sys/amd64/vmm Message-ID: <201309271455.r8REtxvk046386@svn.freebsd.org>
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Author: grehan Date: Fri Sep 27 14:55:59 2013 New Revision: 255911 URL: http://svnweb.freebsd.org/changeset/base/255911 Log: Return 0 for a rdmsr of MSR_IA32_PLATFORM_ID. This is enough to get Ubuntu 12.0.4/13.0.4 to boot. Approved by: re@ (blanket) Modified: head/sys/amd64/vmm/vmm_msr.c Modified: head/sys/amd64/vmm/vmm_msr.c ============================================================================== --- head/sys/amd64/vmm/vmm_msr.c Fri Sep 27 13:12:47 2013 (r255910) +++ head/sys/amd64/vmm/vmm_msr.c Fri Sep 27 14:55:59 2013 (r255911) @@ -57,6 +57,7 @@ static struct vmm_msr vmm_msr[] = { { MSR_PAT, VMM_MSR_F_EMULATE | VMM_MSR_F_INVALID }, { MSR_BIOS_SIGN,VMM_MSR_F_EMULATE }, { MSR_MCG_CAP, VMM_MSR_F_EMULATE | VMM_MSR_F_READONLY }, + { MSR_IA32_PLATFORM_ID, VMM_MSR_F_EMULATE | VMM_MSR_F_READONLY }, { MSR_IA32_MISC_ENABLE, VMM_MSR_F_EMULATE | VMM_MSR_F_READONLY }, }; @@ -129,7 +130,10 @@ guest_msrs_init(struct vm *vm, int cpu) misc |= (1 << 12) | (1 << 11); misc &= ~((1 << 18) | (1 << 16)); guest_msrs[i] = misc; - break; + break; + case MSR_IA32_PLATFORM_ID: + guest_msrs[i] = 0; + break; default: panic("guest_msrs_init: missing initialization for msr " "0x%0x", vmm_msr[i].num);
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