Date: Mon, 21 Jun 2010 15:50:04 GMT From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@FreeBSD.org Subject: Re: amd64/147963: cpu l2 cache error Message-ID: <201006211550.o5LFo40Q043366@freefall.freebsd.org>
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The following reply was made to PR amd64/147963; it has been noted by GNATS. From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@freebsd.org Cc: Gabor Illo <stageline@gmail.com>, freebsd-gnats-submit@freebsd.org Subject: Re: amd64/147963: cpu l2 cache error Date: Mon, 21 Jun 2010 08:05:09 -0400 On Friday 18 June 2010 6:22:32 am Gabor Illo wrote: > > >Number: 147963 > >Category: amd64 > >Synopsis: cpu l2 cache error > >Confidential: no > >Severity: serious > >Priority: medium > >Responsible: freebsd-amd64 > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Fri Jun 18 10:30:02 UTC 2010 > >Closed-Date: > >Last-Modified: > >Originator: Gabor Illo > >Release: 8.1-PRERELEASE > >Organization: > - > >Environment: > FreeBSD ns1.stageline.hu 8.1-PRERELEASE FreeBSD 8.1-PRERELEASE #1: Fri Jun 4 11:47:01 CEST 2010 stageline@ns1.stageline.hu:/usr/obj/usr/src/sys/SAJAT > >Description: > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > cpu2 (AP): APIC ID: 2 > cpu3 (AP): APIC ID: 3 > cpu0: <ACPI CPU> on acpi0 > cpu1: <ACPI CPU> on acpi0 > cpu2: <ACPI CPU> on acpi0 > cpu3: <ACPI CPU> on acpi0 > est0: <Enhanced SpeedStep Frequency Control> on cpu0 > p4tcc0: <CPU Frequency Thermal Control> on cpu0 > est1: <Enhanced SpeedStep Frequency Control> on cpu1 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc1: <CPU Frequency Thermal Control> on cpu1 > est2: <Enhanced SpeedStep Frequency Control> on cpu2 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc2: <CPU Frequency Thermal Control> on cpu2 > est3: <Enhanced SpeedStep Frequency Control> on cpu3 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc3: <CPU Frequency Thermal Control> on cpu3 > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > cpu2 (AP): APIC ID: 2 > cpu3 (AP): APIC ID: 3 > cpu0: <ACPI CPU> on acpi0 > cpu1: <ACPI CPU> on acpi0 > cpu2: <ACPI CPU> on acpi0 > cpu3: <ACPI CPU> on acpi0 > est0: <Enhanced SpeedStep Frequency Control> on cpu0 > p4tcc0: <CPU Frequency Thermal Control> on cpu0 > est1: <Enhanced SpeedStep Frequency Control> on cpu1 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc1: <CPU Frequency Thermal Control> on cpu1 > est2: <Enhanced SpeedStep Frequency Control> on cpu2 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc2: <CPU Frequency Thermal Control> on cpu2 > est3: <Enhanced SpeedStep Frequency Control> on cpu3 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc3: <CPU Frequency Thermal Control> on cpu3 > cpu0 (BSP): APIC ID: 0 > cpu1 (AP/HT): APIC ID: 1 > cpu2 (AP/HT): APIC ID: 2 > cpu3 (AP/HT): APIC ID: 3 > cpu0: <ACPI CPU> on acpi0 > cpu1: <ACPI CPU> on acpi0 > cpu2: <ACPI CPU> on acpi0 > cpu3: <ACPI CPU> on acpi0 > est0: <Enhanced SpeedStep Frequency Control> on cpu0 > p4tcc0: <CPU Frequency Thermal Control> on cpu0 > est1: <Enhanced SpeedStep Frequency Control> on cpu1 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc1: <CPU Frequency Thermal Control> on cpu1 > est2: <Enhanced SpeedStep Frequency Control> on cpu2 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc2: <CPU Frequency Thermal Control> on cpu2 > est3: <Enhanced SpeedStep Frequency Control> on cpu3 > est: cpu_vendor GenuineIntel, msr 928092806000928 > p4tcc3: <CPU Frequency Thermal Control> on cpu3 > > > > MCA: Bank 3, Status 0x942000842801010a > MCA: Global Cap 0x0000000000000806, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x6f7, APIC ID 0 > MCA: CPU 0 COR (2) GCACHE L2 ERR error > MCA: Address 0x42de00 > MCA: Bank 3, Status 0x902000442920100e > MCA: Global Cap 0x0000000000000806, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x6f7, APIC ID 0 > MCA: CPU 0 COR (1) L2 memory error > MCA: Bank 3, Status 0x902000442a20100e > MCA: Global Cap 0x0000000000000806, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x6f7, APIC ID 0 > MCA: CPU 0 COR (1) L2 memory error > MCA: Bank 3, Status 0x942000c42b01010a > MCA: Global Cap 0x0000000000000806, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x6f7, APIC ID 0 > MCA: CPU 0 COR (3) GCACHE L2 ERR error > MCA: Address 0x22aad300 > MCA: Bank 3, Status 0x902000c42c20100e > MCA: Global Cap 0x0000000000000806, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x6f7, APIC ID 0 > MCA: CPU 0 COR (3) L2 memory error > MCA: Bank 3, Status 0x902000842d20100e > MCA: Global Cap 0x0000000000000806, Status 0x0000000000000000 > MCA: Vendor "GenuineIntel", ID 0x6f7, APIC ID 0 > MCA: CPU 0 COR (2) L2 memory error You are probably getting correctable memory errors. You can get spurious single-bit errors in modern systems. If you get any uncorrectable errors or a high rate (10's of thousands per hour) of correctable errors, then your RAM may be failing. -- John Baldwin
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