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Message-ID: <20110515000415.GA11643@elliptictech.com>
Date: Sat, 14 May 2011 20:04:15 -0400
From: Nick Bowler <nbowler@...iptictech.com>
To: Borislav Petkov <bp@...64.org>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"Ostrovsky, Boris" <Boris.Ostrovsky@....com>,
Ingo Molnar <mingo@...e.hu>,
Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: 2.6.38.6 -stable regression: kernel insta-death on boot.
On 2011-05-15 01:36 +0200, Borislav Petkov wrote:
> According to the opcode stream, your machine is #GPing when doing a
> rdmsr on the HWCR MSR:
[...]
> And this is because the enlarging of the erratum 400 interval which the
> commit you bisected to does, forces your machine to use the special C1E
> routine, which, however, barfs due to the fact that your CPU might not
> have that MSR defined - it is _that_ old.
>
> Just to verify, can you go to http://codemonkey.org.uk/projects/x86info/,
> checkout the git repository, do
Here you go:
# x86info -a
x86info v1.29. Dave Jones 2001-2011
Feedback to <davej@...hat.com>.
MP Table:
# APIC ID Version State Family Model Step Flags
# 0 0x10 BSP, usable 15 4 8 0x78bfbff
Family: 15 Model: 4 Stepping: 8
CPU Model (x86info's best guess): Athlon 64/Mobile Athlon 64/Mobile Athlon XP-M (SH-C0)
Processor name string (BIOS programmed): AMD Athlon(tm) 64 Processor 3200+
Number of reporting banks : 5
31 23 15 7
MCG_STATUS: 11111111 11111111 11111111 11111111
MCG_CTL:
Data cache check enabled
ECC 1 bit error reporting enabled
ECC multi bit error reporting enabled
Data cache data parity enabled
Data cache main tag parity enabled
Data cache snoop tag parity enabled
L1 TLB parity enabled
L2 TLB parity enabled
Instruction cache check enabled
ECC 1 bit error reporting enabled
ECC multi bit error reporting enabled
Instruction cache data parity enabled
IC main tag parity enabled
IC snoop tag parity enabled
L1 TLB parity enabled
L2 TLB parity enabled
Predecode array parity enabled
Target selector parity enabled
Read data error enabled
Bus unit check enabled
External L2 tag parity error enabled
L2 partial tag parity error enabled
System ECC TLB reload error enabled
L2 ECC TLB reload error enabled
L2 ECC K7 deallocate enabled
L2 ECC probe deallocate enabled
System datareaderror reporting enabled
Load/Store unit check enabled
Read data error enable (loads) enabled
Read data error enable (stores) enabled
31 23 15 7
Bank: 0 (0x400)
MC0CTL: 11111111 11111111 11111111 11111111
MC0STATUS: 11111111 11111111 11111111 11111111
MC0ADDR: 11111111 11111111 11111111 11111111
MC0MISC: 11111111 11111111 11111111 11111111
Bank: 1 (0x404)
MC1CTL: 11111111 11111111 11111111 11111111
MC1STATUS: 11111111 11111111 11111111 11111111
MC1ADDR: 11111111 11111111 11111111 11111111
MC1MISC: 11111111 11111111 11111111 11111111
Bank: 2 (0x408)
MC2CTL: 11111111 11111111 11111111 11111111
MC2STATUS: 11111111 11111111 11111111 11111111
MC2ADDR: 11111111 11111111 11111111 11111111
MC2MISC: 11111111 11111111 11111111 11111111
Bank: 3 (0x40c)
MC3CTL: 11111111 11111111 11111111 11111111
MC3STATUS: 11111111 11111111 11111111 11111111
MC3ADDR: 11111111 11111111 11111111 11111111
MC3MISC: 11111111 11111111 11111111 11111111
Bank: 4 (0x410)
MC4CTL: 11111111 11111111 11111111 11111111
MC4STATUS: 11111111 11111111 11111111 11111111
MC4ADDR: 11111111 11111111 11111111 11111111
MC4MISC: 11111111 11111111 11111111 11111111
Microcode patch level: 0x1f00000039
PowerNOW! Technology information
Available features:
Temperature sensing diode present.
Frequency ID control
Voltage ID control
Thermal Trip
MSR: 0xc0010041=0x632f31bf0000020c : 01111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111
MSR: 0xc0010042=0x0040afd3000c0c0c : 00000000 01111111 11111111 11111111
11111111 11111111 11111111 11111111
Voltage ID codes: Maximum=1.550V Startup=1.200V Currently=0.800V
Frequency ID codes: Maximum=10x Startup=10x Currently=10x
SVM: revision 0, 0 ASIDs
Address Size: 48 bits virtual, 40 bits physical
eax in: 0x00000000, eax = 00000001 ebx = 68747541 ecx = 444d4163 edx = 69746e65
eax in: 0x00000001, eax = 00000f48 ebx = 00000800 ecx = 00000000 edx = 078bfbff
eax in: 0x80000000, eax = 80000018 ebx = 68747541 ecx = 444d4163 edx = 69746e65
eax in: 0x80000001, eax = 00000f48 ebx = 0000010a ecx = 00000000 edx = e1d3fbff
eax in: 0x80000002, eax = 20444d41 ebx = 6c687441 ecx = 74286e6f edx = 3620296d
eax in: 0x80000003, eax = 72502034 ebx = 7365636f ecx = 20726f73 edx = 30303233
eax in: 0x80000004, eax = 0000002b ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000005, eax = ff08ff08 ebx = ff20ff20 ecx = 40020140 edx = 40020140
eax in: 0x80000006, eax = 00000000 ebx = 42004200 ecx = 04008140 edx = 00000000
eax in: 0x80000007, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 0000000f
eax in: 0x80000008, eax = 00003028 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000009, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x8000000a, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x8000000b, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x8000000c, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x8000000d, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x8000000e, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x8000000f, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000010, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000011, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000012, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000013, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000014, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000015, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000016, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000017, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
eax in: 0x80000018, eax = 00000000 ebx = 00000000 ecx = 00000000 edx = 00000000
L1 Data TLB (2M/4M): Fully associative. 8 entries.
L1 Instruction TLB (2M/4M): Fully associative. 8 entries.
L1 Data TLB (4K): Fully associative. 32 entries.
L1 Instruction TLB (4K): Fully associative. 32 entries.
L1 Data cache:
Size: 64Kb 2-way associative.
lines per tag=1 line size=64 bytes.
L1 Instruction cache:
Size: 64Kb 2-way associative.
lines per tag=1 line size=64 bytes.
L2 Data TLB (2M/4M): Disabled. 0 entries.
L2 Instruction TLB (2M/4M): Disabled. 0 entries.
L2 Data TLB (4K): 4-way associative. 512 entries.
L2 Instruction TLB (4K): 4-way associative. 512 entries.
L2 cache:
Size: 1024Kb 16-way associative.
lines per tag=1 line size=64 bytes.
Feature flags:
fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflsh mmx fxsr sse sse2
Extended feature flags:
fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 nx mmxext mmx fxsr lm 3dnowext 3dnow
Long NOPs supported: yes
Connector type: Socket 754
MTRR registers:
MTRRcap (0xfe): 0x0000000f00000508 (smrr flag: 0x0, wc flag: 0x1, fix flag: 0x1, vcnt field: 0x08 (8))
MTRRphysBase0 (0x200): 0x0000000000000006 (physbase field:0x0000000 type field: 0x06 (write-back))
MTRRphysMask0 (0x201): 0x000000ffc0000800 (physmask field:0xffc0000 valid flag: 1)
MTRRphysBase1 (0x202): 0x00000000e0000001 (physbase field:0x00e0000 type field: 0x01 (write-combining))
MTRRphysMask1 (0x203): 0x000000fff0000800 (physmask field:0xfff0000 valid flag: 1)
MTRRphysBase2 (0x204): 0x0000000000000000 (physbase field:0x0000000 type field: 0x00 (uncacheable))
MTRRphysMask2 (0x205): 0x0000000000000000 (physmask field:0x0000000 valid flag: 0)
MTRRphysBase3 (0x206): 0x0000000000000000 (physbase field:0x0000000 type field: 0x00 (uncacheable))
MTRRphysMask3 (0x207): 0x0000000000000000 (physmask field:0x0000000 valid flag: 0)
MTRRphysBase4 (0x208): 0x0000000000000000 (physbase field:0x0000000 type field: 0x00 (uncacheable))
MTRRphysMask4 (0x209): 0x0000000000000000 (physmask field:0x0000000 valid flag: 0)
MTRRphysBase5 (0x20a): 0x0000000000000000 (physbase field:0x0000000 type field: 0x00 (uncacheable))
MTRRphysMask5 (0x20b): 0x0000000000000000 (physmask field:0x0000000 valid flag: 0)
MTRRphysBase6 (0x20c): 0x0000000000000000 (physbase field:0x0000000 type field: 0x00 (uncacheable))
MTRRphysMask6 (0x20d): 0x0000000000000000 (physmask field:0x0000000 valid flag: 0)
MTRRphysBase7 (0x20e): 0x0000000000000000 (physbase field:0x0000000 type field: 0x00 (uncacheable))
MTRRphysMask7 (0x20f): 0x0000000000000000 (physmask field:0x0000000 valid flag: 0)
MTRRfix64K_00000 (0x250): 0x6f2f362f06060606
MTRRfix16K_80000 (0x258): 0x6f2f362f06060606
MTRRfix16K_A0000 (0x259): 0x6d2f302f00000000
MTRRfix4K_C8000 (0x269): 0x6d2f302f00000000
MTRRfix4K_D0000 0x26a: 0x6d2f302f00000000
MTRRfix4K_D8000 0x26b: 0x6d2f302f00000000
MTRRfix4K_E0000 0x26c: 0x6d2f302f00000000
MTRRfix4K_E8000 0x26d: 0x6d2f302f00000000
MTRRfix4K_F0000 0x26e: 0x6d2f352f05050505
MTRRfix4K_F8000 0x26f: 0x6d2f352f05050505
MTRRdefType (0x2ff): 0x00e8401000000c00 (fixed-range flag: 0x1, mtrr flag: 0x1, type field: 0x00 (uncacheable))
APIC registers:
APIC MSR Base(0x1b): : 0x00000005fee00900
APIC Local ID : 0x00000000
APIC Local Version : 0x00040010
APIC Task Priority : 0x00000000
APIC Arbitration Priority : 0x00000000
APIC Processor Priority : 0x00000000
APIC EOI : 0x00000000
APIC Remote Read : 0x00000000
APIC Logical Destination : 0x01000000
APIC Destination Format : 0xffffffff
APIC Spurious Interrupt Vector : 0x000001ff
APIC In-Service (ISR0) : 0x00000000
APIC In-Service (ISR1) : 0x00000000
APIC In-Service (ISR2) : 0x00000000
APIC In-Service (ISR3) : 0x00000000
APIC In-Service (ISR4) : 0x00000000
APIC In-Service (ISR5) : 0x00000000
APIC In-Service (ISR6) : 0x00000000
APIC In-Service (ISR7) : 0x00000000
APIC Trigger Mode (TMR0) : 0x00000000
APIC Trigger Mode (TMR1) : 0x00000200
APIC Trigger Mode (TMR2) : 0x02020202
APIC Trigger Mode (TMR3) : 0x00000202
APIC Trigger Mode (TMR4) : 0x00000000
APIC Trigger Mode (TMR5) : 0x00000000
APIC Trigger Mode (TMR6) : 0x00000000
APIC Trigger Mode (TMR7) : 0x00000000
APIC Interrupt Request (IRR00) : 0x00000000
APIC Interrupt Request (IRR01) : 0x00000000
APIC Interrupt Request (IRR02) : 0x00000000
APIC Interrupt Request (IRR03) : 0x00000000
APIC Interrupt Request (IRR04) : 0x00000000
APIC Interrupt Request (IRR05) : 0x00000000
APIC Interrupt Request (IRR06) : 0x00000000
APIC Interrupt Request (IRR07) : 0x00000000
APIC Error Status : 0x00000000
APIC LVT CMCI : 0x00000000
APIC Interrupt Command (ICR0) : 0x00000000
APIC Interrupt Command (ICR1) : 0x00000000
APIC LVT Timer : 0x000000ef
APIC Thermal Sensor : 0x00000000
APIC LVT Performance Monitoring Counters: 0x00000400
APIC LVT LINT0 : 0x00010700
APIC LVT LINT1 : 0x00000400
APIC LVT Error : 0x000000fe
APIC Initial Count (for Timer) : 0x00003085
APIC Current Count (for Timer) : 0x00001bf2
APIC Divide Configuration (for Timer) : 0x00000003
Address sizes : 40 bits physical, 48 bits virtual
1.85GHz processor (estimate).
running at an estimated 1.85GHz
Thanks,
--
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
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