MCA messages after upgrade to 8.2-BEAT1

[Miroslav Lachman]

Hi,
the machine in question was upgraded from 7.3 to FreeBSD 8.2-BETA1 i386 
GENERIC
After this upgrade, i got following mesages in /var/log/messages every 
hour. The machine is almost idle (for testing only)

Dec 21 12:42:26 kavkaz kernel: MCA: Bank 0, Status 0xd40e400000000833
Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, 
Status 0x0000000000000000
Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, 
APIC ID 0
Dec 21 12:42:26 kavkaz kernel: MCA: CPU 0 COR OVER BUSLG Source DRD Memory
Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x236493c0
Dec 21 12:42:26 kavkaz kernel: MCA: Bank 1, Status 0xd400400000000853
Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, 
Status 0x0000000000000000
Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, 
APIC ID 0
Dec 21 12:42:26 kavkaz kernel: MCA: CPU 0 COR OVER BUSLG Source IRD Memory
Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x2a1c9440
Dec 21 12:42:26 kavkaz kernel: MCA: Bank 2, Status 0xd000400000000863
Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, 
Status 0x0000000000000000
Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, 
APIC ID 0
Dec 21 12:42:26 kavkaz kernel: MCA: CPU 0 COR OVER BUSLG Source PREFETCH 
Memory
Dec 21 12:42:26 kavkaz kernel: MCA: Bank 4, Status 0xdc0e400200000813
Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, 
Status 0x0000000000000000
Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, 
APIC ID 0
Dec 21 12:42:26 kavkaz kernel: MCA: CPU 0 COR OVER BUSLG Source RD Memory
Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x2cac9678
Dec 21 12:42:26 kavkaz kernel: MCA: Misc 0xe00d0fff00000000
Dec 21 12:42:26 kavkaz kernel: MCA: Bank 0, Status 0xd40e400000000833
Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, 
Status 0x0000000000000000
Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, 
APIC ID 1
Dec 21 12:42:26 kavkaz kernel: MCA: CPU 1 COR OVER BUSLG Source DRD Memory
Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x23649640
Dec 21 12:42:26 kavkaz kernel: MCA: Bank 1, Status 0xd400400000000853
Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, 
Status 0x0000000000000000
Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, 
APIC ID 1
Dec 21 12:42:26 kavkaz kernel: MCA: CPU 1 COR OVER BUSLG Source IRD Memory
Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x2a1c9440
Dec 21 12:42:26 kavkaz kernel: MCA: Bank 2, Status 0xd000400000000863
Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105, 
Status 0x0000000000000000
Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33, 
APIC ID 1
Dec 21 12:42:26 kavkaz kernel: MCA: CPU 1 COR OVER BUSLG Source PREFETCH 
Memory

Can somebody tell me, what these messages are?

Miroslav Lachman