On Mon, 2006-12-04 at 11:19 -0800, john stultz wrote: > On Sun, 2006-12-03 at 13:50 +0000, Ian Campbell wrote: > > In older kernels arch/i386/kernel/timers/timer_pm.c:verify_pmtmr_rate > > contained a check for sensible PMTMR rate and disabled that clocksource > > if it was found to be out of spec[0]. This check seems to have been lost > > in the transition to drivers/clocksource/acpi_pm.c, the removal is in > > 61743fe445213b87fb55a389c8d073785323ca3e "Time: i386 Conversion - part > > 4: Remove Old timer_opts Code"[1] and the check is not present in the > > replacement 5d0cf410e94b1f1ff852c3f210d22cc6c5a27ffa "Time: i386 > > Clocksource Drivers"[2]. > > Fedora has a bug covering this: > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=211902
> > Is there a specific reason the check was removed (I couldn't see on in
> > the archives) or was it simply overlooked? Without it I need to pass
> > clocksource=tsc to have 2.6.18 work correctly on an older K6 system with
> > an Aladdin chipset (will dig out the precise details if required). Would
> > a patch to reintroduce the check be acceptable or would some sort of
> > blacklist based solution be more acceptable?
>
> If I recall correctly, it was pulled because there was some question as
> to if it was actually needed (x86_64 didn't need it) and it slows down
> the boot time (although not by much).
>
> I'm fine just re-adding it. Although if the number of affected systems
> are small we could just blacklist it (Ian, mind sending dmidecode
> output?).
dmidecode.txt is attached.
Cheers,
Ian.
--
Ian Campbell
Felson's Law:
To steal ideas from one person is plagiarism; to steal from
many is research.
# dmidecode 2.6
SMBIOS 2.2 present.
32 structures occupying 798 bytes.
Table at 0x000F0800.
Handle 0x0000
DMI type 0, 19 bytes.
BIOS Information
Vendor: Award Software International, Inc.
Version: 4.51 PG
Release Date: 09/19/00
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 128 kB
Characteristics:
ISA is supported
PCI is supported
PNP is supported
APM is supported
BIOS is upgradeable
BIOS shadowing is allowed
ESCD support is available
Boot from CD is supported
Selectable boot is supported
BIOS ROM is socketed
EDD is supported
5.25"/360 KB floppy services are supported (int 13h)
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 KB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
AGP is supported
LS-120 boot is supported
ATAPI Zip drive boot is supported
Handle 0x0001
DMI type 1, 25 bytes.
System Information
Manufacturer:
Product Name:
Version:
Serial Number:
UUID: Not Settable
Wake-up Type: Reserved
Handle 0x0002
DMI type 2, 8 bytes.
Base Board Information
Manufacturer:
Product Name: ALADDIN5
Version:
Serial Number:
Handle 0x0003
DMI type 3, 13 bytes.
Chassis Information
Manufacturer:
Type: Unknown
Lock: Not Present
Version:
Serial Number:
Asset Tag:
Boot-up State: Unknown
Power Supply State: Unknown
Thermal State: Unknown
Security Status: Unknown
Handle 0x0004
DMI type 4, 32 bytes.
Processor Information
Socket Designation: Socket 7
Type: Central Processor
Family: K5
Manufacturer: AMD
ID: 91 05 00 00 BF 21 80 00
Signature: Family 5, Model 9, Stepping 1
Flags:
FPU (Floating-point unit on-chip)
VME (Virtual mode extension)
DE (Debugging extension)
PSE (Page size extension)
TSC (Time stamp counter)
MSR (Model specific registers)
MCE (Machine check exception)
CX8 (CMPXCHG8 instruction supported)
PGE (Page global enable)
MMX (MMX technology supported)
Version: AMD-K6
Voltage: 2.4 V
External Clock: 100 MHz
Max Speed: 500 MHz
Current Speed: 450 MHz
Status: Populated, Enabled
Upgrade: ZIF Socket
L1 Cache Handle: 0x0000
L2 Cache Handle: 0x0000
L3 Cache Handle: 0x0000
Handle 0x0005
DMI type 5, 28 bytes.
Memory Controller Information
Error Detecting Method: 8-bit Parity
Error Correcting Capabilities:
None
Supported Interleave: One-way Interleave
Current Interleave: One-way Interleave
Maximum Memory Module Size: 512 MB
Maximum Total Memory Size: 3072 MB
Supported Speeds:
70 ns
60 ns
Supported Memory Types:
Standard
FPM
EDO
SDRAM
Memory Module Voltage: 5.0 V 3.3 V
Associated Memory Slots: 6
0x0006
0x0007
0x0008
0x0009
0x000A
0x000B
Enabled Error Correcting Capabilities: None
Handle 0x0006
DMI type 6, 12 bytes.
Memory Module Information
Socket Designation: A0
Bank Connections: 0 1
Current Speed: 60 ns
Type: Parity ECC DIMM SDRAM
Installed Size: 128 MB (Single-bank Connection)
Enabled Size: 128 MB (Single-bank Connection)
Error Status: OK
Handle 0x0007
DMI type 6, 12 bytes.
Memory Module Information
Socket Designation: A1
Bank Connections: 0 1
Current Speed: 60 ns
Type: Parity ECC DIMM SDRAM
Installed Size: 128 MB (Single-bank Connection)
Enabled Size: 128 MB (Single-bank Connection)
Error Status: OK
Handle 0x0008
DMI type 6, 12 bytes.
Memory Module Information
Socket Designation: A2
Bank Connections: 2 3
Current Speed: 60 ns
Type: FPM Parity ECC
Installed Size: 64 MB (Single-bank Connection)
Enabled Size: 64 MB (Single-bank Connection)
Error Status: OK
Handle 0x0009
DMI type 6, 12 bytes.
Memory Module Information
Socket Designation: A3
Bank Connections: 2 3
Current Speed: 60 ns
Type: FPM Parity ECC
Installed Size: 64 MB (Single-bank Connection)
Enabled Size: 64 MB (Single-bank Connection)
Error Status: OK
Handle 0x000A
DMI type 6, 12 bytes.
Memory Module Information
Socket Designation: A4
Bank Connections: 4 5
Current Speed: 60 ns
Type: Unknown
Installed Size: Not Installed
Enabled Size: Not Installed
Error Status: OK
Handle 0x000B
DMI type 6, 12 bytes.
Memory Module Information
Socket Designation: A5
Bank Connections: 4 5
Current Speed: 60 ns
Type: Unknown
Installed Size: Not Installed
Enabled Size: Not Installed
Error Status: OK
Handle 0x000C
DMI type 7, 19 bytes.
Cache Information
Socket Designation: Internal Cache
Configuration: Enabled, Not Socketed, Level 1
Operational Mode: Write Back
Location: Internal
Installed Size: 64 KB
Maximum Size: 64 KB
Supported SRAM Types:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Unknown
System Type: Unknown
Associativity: Unknown
Handle 0x000D
DMI type 7, 19 bytes.
Cache Information
Socket Designation: External Cache
Configuration: Enabled, Not Socketed, Level 2
Operational Mode: Write Back
Location: External
Installed Size: 512 KB
Maximum Size: 1024 KB
Supported SRAM Types:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Unknown
System Type: Unknown
Associativity: Unknown
Handle 0x000E
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: PRIMARY IDE
Internal Connector Type: On Board IDE
External Reference Designator:
External Connector Type: None
Port Type: Other
Handle 0x000F
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: SECONDARY IDE
Internal Connector Type: On Board IDE
External Reference Designator:
External Connector Type: None
Port Type: Other
Handle 0x0010
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: FDD
Internal Connector Type: On Board Floppy
External Reference Designator:
External Connector Type: None
Port Type: 8251 FIFO Compatible
Handle 0x0011
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: COM1
Internal Connector Type: 9 Pin Dual Inline (pin 10 cut)
External Reference Designator:
External Connector Type: DB-9 male
Port Type: Serial Port 16550 Compatible
Handle 0x0012
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: COM2
Internal Connector Type: 9 Pin Dual Inline (pin 10 cut)
External Reference Designator:
External Connector Type: DB-9 male
Port Type: Serial Port 16550 Compatible
Handle 0x0013
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: LPT1
Internal Connector Type: DB-25 female
External Reference Designator:
External Connector Type: DB-25 female
Port Type: Parallel Port ECP/EPP
Handle 0x0014
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: Keyboard
Internal Connector Type: Other
External Reference Designator:
External Connector Type: PS/2
Port Type: Keyboard Port
Handle 0x0015
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: PS/2 Mouse
Internal Connector Type: PS/2
External Reference Designator: No Detected
External Connector Type: PS/2
Port Type: Mouse Port
Handle 0x0016
DMI type 9, 13 bytes.
System Slot Information
Designation: ISA
Type: 16-bit ISA
Current Usage: Unknown
Length: Long
Characteristics:
5.0 V is provided
Handle 0x0017
DMI type 9, 13 bytes.
System Slot Information
Designation: ISA
Type: 16-bit ISA
Current Usage: Unknown
Length: Long
Characteristics:
5.0 V is provided
Handle 0x0018
DMI type 9, 13 bytes.
System Slot Information
Designation: PCI
Type: 32-bit PCI
Current Usage: In Use
Length: Long
ID: 8
Characteristics:
5.0 V is provided
Handle 0x0019
DMI type 9, 13 bytes.
System Slot Information
Designation: PCI
Type: 32-bit PCI
Current Usage: In Use
Length: Long
ID: 9
Characteristics:
5.0 V is provided
Handle 0x001A
DMI type 9, 13 bytes.
System Slot Information
Designation: PCI
Type: 32-bit PCI
Current Usage: In Use
Length: Long
ID: 10
Characteristics:
5.0 V is provided
Handle 0x001B
DMI type 9, 13 bytes.
System Slot Information
Designation: PCI
Type: 32-bit PCI
Current Usage: Available
Length: Long
ID: 11
Characteristics:
5.0 V is provided
Handle 0x001C
DMI type 9, 13 bytes.
System Slot Information
Designation: PCI
Type: 32-bit PCI
Current Usage: In Use
Length: Long
ID: 12
Characteristics:
5.0 V is provided
Handle 0x001D
DMI type 9, 13 bytes.
System Slot Information
Designation: AGP
Type: 32-bit AGP
Current Usage: In Use
Length: Long
ID: 0
Characteristics:
5.0 V is provided
Handle 0x001E
DMI type 8, 9 bytes.
Port Connector Information
Internal Reference Designator: USB
Internal Connector Type: None
External Reference Designator:
External Connector Type: Other
Port Type: USB
Handle 0x001F
DMI type 13, 22 bytes.
BIOS Language Information
Installable Languages: 3
n|US|iso8859-1
r|CA|iso8859-1
a|JP|unicode
Currently Installed Language: n|US|iso8859-1
signature.asc
Description: This is a digitally signed message part
