Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: Erratic fan speed and little control kernel 4.2 | From | Peter Saunderson <> | Date | Fri, 4 Dec 2015 16:50:23 +0000 |
| |
Hi Pali,
Yes I can compile the kernel, yes I can debug this if you can suggest possible fixes or kprintf that you would like added to get more information.
Sorry I missed the dmi info...
# dmidecode 2.12 SMBIOS 2.6 present. 45 structures occupying 1673 bytes. Table at 0x000FCB40.
Handle 0x0000, DMI type 0, 24 bytes BIOS Information Vendor: Dell Inc. Version: A07 Release Date: 11/13/2010 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 8192 kB Characteristics: PCI is supported PNP 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"/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 LS-120 boot is supported ATAPI Zip drive boot is supported BIOS boot specification is supported Targeted content distribution is supported BIOS Revision: 8.15
Handle 0x0001, DMI type 1, 27 bytes System Information Manufacturer: Dell Inc. Product Name: Inspiron 580 Version: Not Specified Serial Number: GGBZZ4J UUID: 4C4C4544-0047-4210-805A-C7C04F5A344A Wake-up Type: Power Switch SKU Number: Family:
Handle 0x0002, DMI type 2, 15 bytes Base Board Information Manufacturer: Dell Inc. Product Name: 0C2KJT Version: A00 Serial Number: ..CN736040AD07D9. Asset Tag: Features: Board is a hosting board Board is replaceable Location In Chassis: Chassis Handle: 0x0003 Type: Motherboard Contained Object Handles: 0
Handle 0x0003, DMI type 3, 21 bytes Chassis Information Manufacturer: Dell Inc. Type: Desktop Lock: Not Present Version: Not Specified Serial Number: GGBZZ4J Asset Tag: Not Specified Boot-up State: Safe Power Supply State: Safe Thermal State: Safe Security Status: None OEM Information: 0x00000000 Height: Unspecified Number Of Power Cords: 1 Contained Elements: 0
Handle 0x0004, DMI type 4, 42 bytes Processor Information Socket Designation: CPU 1 Type: Central Processor Family: Other Manufacturer: Intel ID: E5 06 01 00 FF FB EB BF Version: Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz Voltage: Unknown External Clock: 133 MHz Max Speed: 2800 MHz Current Speed: 2800 MHz Status: Populated, Enabled Upgrade: Other L1 Cache Handle: 0x0005 L2 Cache Handle: 0x0006 L3 Cache Handle: 0x0007 Serial Number: To Be Filled By O.E.M. Asset Tag: To Be Filled By O.E.M. Part Number: To Be Filled By O.E.M. Core Count: 4 Core Enabled: 4 Thread Count: 4 Characteristics: 64-bit capable
Handle 0x0005, DMI type 7, 19 bytes Cache Information Socket Designation: L1-Cache Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Through Location: Internal Installed Size: 256 kB Maximum Size: 256 kB Supported SRAM Types: Other Installed SRAM Type: Other Speed: Unknown Error Correction Type: Parity System Type: Instruction Associativity: 4-way Set-associative
Handle 0x0006, DMI type 7, 19 bytes Cache Information Socket Designation: L2-Cache Configuration: Enabled, Not Socketed, Level 2 Operational Mode: Write Through Location: Internal Installed Size: 1024 kB Maximum Size: 1024 kB Supported SRAM Types: Other Installed SRAM Type: Other Speed: Unknown Error Correction Type: Single-bit ECC System Type: Unified Associativity: 8-way Set-associative
Handle 0x0007, DMI type 7, 19 bytes Cache Information Socket Designation: L3-Cache Configuration: Enabled, Not Socketed, Level 3 Operational Mode: Write Back Location: Internal Installed Size: 8192 kB Maximum Size: 8192 kB Supported SRAM Types: Other Installed SRAM Type: Other Speed: Unknown Error Correction Type: Single-bit ECC System Type: Unified Associativity: 16-way Set-associative
Handle 0x0008, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SATA-1 Internal Connector Type: SAS/SATA Plug Receptacle External Reference Designator: SATA-1 External Connector Type: SAS/SATA Plug Receptacle Port Type: SATA
Handle 0x0009, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SATA-2 Internal Connector Type: SAS/SATA Plug Receptacle External Reference Designator: SATA-2 External Connector Type: SAS/SATA Plug Receptacle Port Type: SATA
Handle 0x000A, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SATA-3 Internal Connector Type: SAS/SATA Plug Receptacle External Reference Designator: SATA-3 External Connector Type: SAS/SATA Plug Receptacle Port Type: SATA
Handle 0x000B, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SATA-4 Internal Connector Type: SAS/SATA Plug Receptacle External Reference Designator: SATA-4 External Connector Type: SAS/SATA Plug Receptacle Port Type: SATA
Handle 0x000C, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB0 External Connector Type: Other Port Type: USB
Handle 0x000D, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB1 External Connector Type: Other Port Type: USB
Handle 0x000E, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB2 External Connector Type: Other Port Type: USB
Handle 0x000F, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB3 External Connector Type: Other Port Type: USB
Handle 0x0010, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB4 External Connector Type: Other Port Type: USB
Handle 0x0011, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB5 External Connector Type: Other Port Type: USB
Handle 0x0012, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB6 External Connector Type: Other Port Type: USB
Handle 0x0013, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: USB7 External Connector Type: Other Port Type: USB
Handle 0x0014, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: AUDIO External Connector Type: None Port Type: Audio Port
Handle 0x0015, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: Null Internal Connector Type: None External Reference Designator: ETHERNET External Connector Type: RJ-45 Port Type: Network Port
Handle 0x0016, DMI type 9, 17 bytes System Slot Information Designation: PCI1 Type: 32-bit PCI Current Usage: Available Length: Short ID: 1 Characteristics: 3.3 V is provided Opening is shared PME signal is supported
Handle 0x0017, DMI type 9, 17 bytes System Slot Information Designation: PCIE1 Type: x1 PCI Express Current Usage: Available Length: Short ID: 2 Characteristics: 3.3 V is provided Opening is shared PME signal is supported
Handle 0x0018, DMI type 9, 17 bytes System Slot Information Designation: PCIE2 Type: x1 PCI Express Current Usage: Available Length: Short ID: 3 Characteristics: 3.3 V is provided Opening is shared PME signal is supported
Handle 0x0019, DMI type 9, 17 bytes System Slot Information Designation: PCIE3 Type: x16 PCI Express Current Usage: In Use Length: Long ID: 4 Characteristics: 3.3 V is provided Opening is shared PME signal is supported
Handle 0x001A, DMI type 11, 5 bytes OEM Strings String 1: www.dell.com
Handle 0x001B, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Long Installable Languages: 1 en|US|iso8859-1 Currently Installed Language: en|US|iso8859-1
Handle 0x001C, DMI type 16, 15 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 16 GB Error Information Handle: Not Provided Number Of Devices: 4
Handle 0x001D, DMI type 19, 15 bytes Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x001FFFFFFFF Range Size: 8 GB Physical Array Handle: 0x001C Partition Width: 4
Handle 0x001E, DMI type 17, 28 bytes Memory Device Array Handle: 0x001C Error Information Handle: Not Provided Total Width: Unknown Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: None Locator: DIMM1 Bank Locator: Not Specified Type: Other Type Detail: Synchronous Speed: 1333 MHz Manufacturer: Samsung Serial Number: 960C658C Asset Tag: 000211 Part Number: M378B5773CH0-CH9 Rank: 1
Handle 0x001F, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0007FFFFFFF Range Size: 2 GB Physical Device Handle: 0x001E Memory Array Mapped Address Handle: 0x001D Partition Row Position: 1 Interleaved Data Depth: 1
Handle 0x0020, DMI type 17, 28 bytes Memory Device Array Handle: 0x001C Error Information Handle: Not Provided Total Width: Unknown Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: None Locator: DIMM2 Bank Locator: Not Specified Type: Other Type Detail: Synchronous Speed: 1333 MHz Manufacturer: Samsung Serial Number: 960C6590 Asset Tag: 000211 Part Number: M378B5773CH0-CH9 Rank: 1
Handle 0x0021, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00100000000 Ending Address: 0x0017FFFFFFF Range Size: 2 GB Physical Device Handle: 0x0020 Memory Array Mapped Address Handle: 0x001D Partition Row Position: 1 Interleaved Data Depth: 1
Handle 0x0022, DMI type 17, 28 bytes Memory Device Array Handle: 0x001C Error Information Handle: Not Provided Total Width: Unknown Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: None Locator: DIMM3 Bank Locator: Not Specified Type: Other Type Detail: Synchronous Speed: 1333 MHz Manufacturer: Samsung Serial Number: 960C658D Asset Tag: 000211 Part Number: M378B5773CH0-CH9 Rank: 1
Handle 0x0023, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00080000000 Ending Address: 0x000FFFFFFFF Range Size: 2 GB Physical Device Handle: 0x0022 Memory Array Mapped Address Handle: 0x001D Partition Row Position: 1 Interleaved Data Depth: 1
Handle 0x0024, DMI type 17, 28 bytes Memory Device Array Handle: 0x001C Error Information Handle: Not Provided Total Width: Unknown Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: None Locator: DIMM4 Bank Locator: Not Specified Type: Other Type Detail: Synchronous Speed: 1333 MHz Manufacturer: Samsung Serial Number: 960C6589 Asset Tag: 000211 Part Number: M378B5773CH0-CH9 Rank: 1
Handle 0x0025, DMI type 20, 19 bytes Memory Device Mapped Address Starting Address: 0x00180000000 Ending Address: 0x001FFFFFFFF Range Size: 2 GB Physical Device Handle: 0x0024 Memory Array Mapped Address Handle: 0x001D Partition Row Position: 1 Interleaved Data Depth: 1
Handle 0x0026, DMI type 32, 20 bytes System Boot Information Status: No errors detected
Handle 0x0027, DMI type 41, 11 bytes Onboard Device Reference Designation: To Be Filled By O.E.M. Type: Video Status: Enabled Type Instance: 0
Handle 0x0028, DMI type 41, 11 bytes Onboard Device Reference Designation: To Be Filled By O.E.M. Type: SCSI Controller Status: Disabled Type Instance: 0
Handle 0x0029, DMI type 129, 8 bytes OEM-specific Type Header and Data: 81 08 29 00 01 01 02 01 Strings: Intel_ASF Intel_ASF_001
Handle 0x002A, DMI type 208, 26 bytes OEM-specific Type Header and Data: D0 1A 2A 00 02 01 FE 00 38 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Handle 0x002B, DMI type 131, 64 bytes OEM-specific Type Header and Data: 83 40 2B 00 37 00 00 00 00 00 00 00 00 00 00 00 F8 00 08 3B FF FF FF FF 00 00 00 00 00 00 06 00 B8 04 1F 00 00 00 00 00 C8 00 FF FF 00 00 00 00 00 00 00 00 32 00 00 00 76 50 72 6F 00 00 00 00
Handle 0x002C, DMI type 127, 4 bytes End Of Table
On 04/12/15 09:18, Pali Rohár wrote: > Hi Peter! > > On Thursday 03 December 2015 20:26:51 Peter Saunderson wrote: >> Erratic fan speed and little control kernel 4.2 >> >> After upgrading to kernel 4.2 my CPU fan started speeding and slowing >> without good reason even when the PC is idle. >> >> To stop erratic fan speed - reboot sometimes works. >> >> This bug has been bisected to commit >> f989e55452c74b4f7b22c889b8ec9f1192aaeec4 > There is very similar (or same) problem on desktop Dell Studio XPS 8100. > See bug: https://bugzilla.kernel.org/show_bug.cgi?id=100121 > > In your long email is missing one important information: DMI information > about your machine. Can you run dmidecode and send output? > > You were able to bisect problematic commit, are you able to do some > additional test and debug root of this issue? > > In my opinion problem is in some SMM call, but without commenting code > which calling it, step by step and testing is not possible to decide... >
| ![\](/images/icornerr.gif) |