Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751184Ab3GXLp7 (ORCPT ); Wed, 24 Jul 2013 07:45:59 -0400 Received: from mail-ob0-f177.google.com ([209.85.214.177]:54083 "EHLO mail-ob0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750827Ab3GXLp4 (ORCPT ); Wed, 24 Jul 2013 07:45:56 -0400 MIME-Version: 1.0 In-Reply-To: <1657635.t6GA9ja9Ss@vostro.rjw.lan> References: <9012759.Alzqtdvh5b@vostro.rjw.lan> <1374605189.31029.25.camel@fourier> <1657635.t6GA9ja9Ss@vostro.rjw.lan> Date: Wed, 24 Jul 2013 13:45:56 +0200 Message-ID: Subject: Re: Linux 3.11-rc2 (acpi backlight) From: =?UTF-8?Q?J=C3=B6rg_Otte?= To: "Rafael J. Wysocki" Cc: Kamal Mostafa , James Hogan , Steven Newbury , Martin Steigerwald , Linus Torvalds , Linux Kernel Mailing List , Matthew Garrett , "Rafael J. Wysocki" , ACPI Devel Maling List Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 22997 Lines: 717 2013/7/24 Rafael J. Wysocki : > On Tuesday, July 23, 2013 11:46:29 AM Kamal Mostafa wrote: >> On Mon, 2013-07-22 at 21:54 +0200, Rafael J. Wysocki wrote: >> > On Monday, July 22, 2013 11:11:54 AM Linus Torvalds wrote: >> > > On Mon, Jul 22, 2013 at 6:02 AM, Rafael J. Wysocki wrote: >> > > > >> > > > Linus, do you want me to send a pull request reverting 8c5bd7a and efaa14c? >> > > >> > > Yes, but [...] I'd suggest doing the revert just in time for >> > > rc3, but waiting until then to gather info about people who see >> > > breakage. >> > > >> > > Sound like a plan? >> > >> > Yes, it does. >> > >> > Rafael >> >> >> Hi Rafael- >> >> For your reference... >> >> As James Hogan reported, those ACPI changes break backlight control on >> the "Dell XPS13" Ivy Bridge models (the Sandy Bridge XPS13 model is not >> affected). >> >> I confirm that reverting 8c5bd7a and efaa14c fixes it again. > > Thanks! > > I'd like to collect some information on the systems having problems with those > two commits (to see if they are similar somehow). > > It seems that one common symptom is that brightness cannot be controlled > through function keys. Is that correct for all of you? Yes > If so, did you try > any other way to control brightness, like a GUI-based? Yes, it has no visible effect. > Also, can you all please send me (a) the output of dmidecode and (b) the > contents of /proc/cpuinfo from your systems? # dmidecode 2.11 # SMBIOS entry point at 0xdae8b000 SMBIOS 2.7 present. 36 structures occupying 1727 bytes. Table at 0x000E0B70. Handle 0x0000, DMI type 4, 42 bytes Processor Information Socket Designation: CPU Socket - U3E1 Type: Central Processor Family: Core i7 Manufacturer: Intel(R) Corporation ID: A9 06 03 00 FF FB EB BF Signature: Type 0, Family 6, Model 58, Stepping 9 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) PAE (Physical address extension) MCE (Machine check exception) CX8 (CMPXCHG8 instruction supported) APIC (On-chip APIC hardware supported) SEP (Fast system call) MTRR (Memory type range registers) PGE (Page global enable) MCA (Machine check architecture) CMOV (Conditional move instruction supported) PAT (Page attribute table) PSE-36 (36-bit page size extension) CLFSH (CLFLUSH instruction supported) DS (Debug store) ACPI (ACPI supported) MMX (MMX technology supported) FXSR (FXSAVE and FXSTOR instructions supported) SSE (Streaming SIMD extensions) SSE2 (Streaming SIMD extensions 2) SS (Self-snoop) HTT (Multi-threading) TM (Thermal monitor supported) PBE (Pending break enabled) Version: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Voltage: 0.9 V External Clock: 100 MHz Max Speed: 2500 MHz Current Speed: 2500 MHz Status: Populated, Enabled Upgrade: Socket rPGA988B L1 Cache Handle: 0x0002 L2 Cache Handle: 0x0003 L3 Cache Handle: 0x0004 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: 2 Core Enabled: 2 Thread Count: 4 Characteristics: 64-bit capable Handle 0x0001, 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: 32 kB Maximum Size: 32 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Parity System Type: Data Associativity: 8-way Set-associative Handle 0x0002, 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: 32 kB Maximum Size: 32 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Parity System Type: Instruction Associativity: 8-way Set-associative Handle 0x0003, 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: 256 kB Maximum Size: 256 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Multi-bit ECC System Type: Unified Associativity: 8-way Set-associative Handle 0x0004, 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: 3072 kB Maximum Size: 3072 kB Supported SRAM Types: Unknown Installed SRAM Type: Unknown Speed: Unknown Error Correction Type: Multi-bit ECC System Type: Unified Associativity: 12-way Set-associative Handle 0x0005, DMI type 129, 8 bytes OEM-specific Type Header and Data: 81 08 05 00 01 01 02 01 Strings: Intel_ASF Intel_ASF_001 Handle 0x0006, DMI type 131, 64 bytes OEM-specific Type Header and Data: 83 40 06 00 31 00 00 00 00 00 00 00 00 00 00 00 F8 00 59 1E FF FF FF FF 01 20 00 00 00 00 08 00 93 05 03 00 00 00 00 00 C8 00 FF FF 00 00 00 00 00 00 00 00 60 00 00 00 76 50 72 6F 00 00 00 00 Handle 0x0007, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 32 GB Error Information Handle: Not Provided Number Of Devices: 4 Handle 0x0008, DMI type 17, 34 bytes Memory Device Array Handle: 0x0007 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: ChannelA-DIMM0 Bank Locator: BANK 0 Type: DDR3 Type Detail: Synchronous Speed: 1600 MHz Manufacturer: Hynix/Hyundai Serial Number: 31480B56 Asset Tag: 9876543210 Part Number: HMT351S6CFR8A-PB Rank: Unknown Configured Clock Speed: 1600 MHz Handle 0x0009, DMI type 17, 34 bytes Memory Device Array Handle: 0x0007 Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: ChannelA-DIMM1 Bank Locator: BANK 1 Type: Unknown Type Detail: None Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: 9876543210 Part Number: Not Specified Rank: Unknown Configured Clock Speed: Unknown Handle 0x000A, DMI type 17, 34 bytes Memory Device Array Handle: 0x0007 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 4096 MB Form Factor: SODIMM Set: None Locator: ChannelB-DIMM0 Bank Locator: BANK 2 Type: DDR3 Type Detail: Synchronous Speed: 1600 MHz Manufacturer: Kingston Serial Number: AE20A7A4 Asset Tag: 9876543210 Part Number: 9905428-085.A00G Rank: Unknown Configured Clock Speed: 1600 MHz Handle 0x000B, DMI type 17, 34 bytes Memory Device Array Handle: 0x0007 Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: ChannelB-DIMM1 Bank Locator: BANK 3 Type: Unknown Type Detail: None Speed: Unknown Manufacturer: Not Specified Serial Number: Not Specified Asset Tag: 9876543210 Part Number: Not Specified Rank: Unknown Configured Clock Speed: Unknown Handle 0x000C, DMI type 20, 35 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x001FFFFFFFF Range Size: 8 GB Physical Device Handle: 0x0008 Memory Array Mapped Address Handle: 0x000E Partition Row Position: 1 Interleave Position: 1 Interleaved Data Depth: 2 Handle 0x000D, DMI type 20, 35 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x001FFFFFFFF Range Size: 8 GB Physical Device Handle: 0x0009 Memory Array Mapped Address Handle: 0x000E Partition Row Position: 1 Interleave Position: 2 Interleaved Data Depth: 2 Handle 0x000E, DMI type 19, 31 bytes Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x001FFFFFFFF Range Size: 8 GB Physical Array Handle: 0x0007 Partition Width: 4 Handle 0x000F, DMI type 0, 24 bytes BIOS Information Vendor: FUJITSU // Phoenix Technologies Ltd. Version: Version 1.09 Release Date: 05/22/2012 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 4096 kB Characteristics: PCI is supported PC Card (PCMCIA) is supported PNP is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported EDD is supported 3.5"/720 kB 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 BIOS boot specification is supported Function key-initiated network boot is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 1.9 Handle 0x0010, DMI type 1, 27 bytes System Information Manufacturer: FUJITSU Product Name: LIFEBOOK AH532 Version: Serial Number: YLKV045679 UUID: ABAF1C3F-6808-E211-9C17-5C9AD8692B39 Wake-up Type: Power Switch SKU Number: Family: Handle 0x0011, DMI type 2, 15 bytes Base Board Information Manufacturer: FUJITSU Product Name: FJNBB1C Version: Serial Number: 578102-01R2602242 Asset Tag: Features: Board is a hosting board Location In Chassis: Chassis Handle: 0x0000 Type: Motherboard Contained Object Handles: 0 Handle 0x0012, DMI type 3, 22 bytes Chassis Information Manufacturer: FUJITSU Type: Notebook Lock: Not Present Version: Serial Number: YLKV045679 Asset Tag: Boot-up State: Unknown Power Supply State: Unknown Thermal State: Unknown Security Status: Unknown OEM Information: 0x00000000 Height: Unspecified Number Of Power Cords: Unspecified Contained Elements: 0 SKU Number: Not Specified Handle 0x0013, DMI type 11, 5 bytes OEM Strings String 1: fAjTCRFj91ObS String 2: 3gwdwbZfdahV4 String 3: REFrSQarvBTce Handle 0x0014, DMI type 12, 5 bytes System Configuration Options Option 1: SMI:00B2C801 Option 2: TIM:201307241127 Option 3: HDD: 826KC34UT Option 4: MEM:HMT351S6CFR8A-PB 31480B56 Handle 0x0015, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Abbreviated Installable Languages: 7 en-US fr-FR ja-JP ko-KR zh-CHT zh-CHS ru-RU Currently Installed Language: en-US Handle 0x0016, DMI type 22, 26 bytes Portable Battery Location: Internal Battery Manufacturer: FUJITSU Manufacture Date: Serial Number: CP5677170101120602120416006746 Name: CP567717-01 Chemistry: Lithium Ion Design Capacity: 47520 mWh Design Voltage: 10800 mV SBDS Version: V1.0 Maximum Error: Unknown OEM-specific Information: 0x00000000 Handle 0x0017, DMI type 32, 11 bytes System Boot Information Status: No errors detected Handle 0x0018, DMI type 143, 16 bytes OEM-specific Type Header and Data: 8F 10 18 00 00 5F 46 4A 5F 4F 45 4D 5F 12 00 00 Handle 0x0019, DMI type 143, 8 bytes OEM-specific Type Header and Data: 8F 08 19 00 01 03 00 00 Handle 0x001A, DMI type 143, 11 bytes OEM-specific Type Header and Data: 8F 0B 1A 00 02 00 01 00 03 56 05 Handle 0x001B, DMI type 143, 11 bytes OEM-specific Type Header and Data: 8F 0B 1B 00 02 06 01 15 37 AF 0D Handle 0x001C, DMI type 143, 11 bytes OEM-specific Type Header and Data: 8F 0B 1C 00 02 01 01 01 00 00 00 Handle 0x001D, DMI type 143, 11 bytes OEM-specific Type Header and Data: 8F 0B 1D 00 02 02 01 01 00 00 00 Handle 0x001E, DMI type 143, 11 bytes OEM-specific Type Header and Data: 8F 0B 1E 00 02 05 01 00 00 00 00 Handle 0x001F, DMI type 136, 6 bytes OEM-specific Type Header and Data: 88 06 1F 00 5A 5A Handle 0x0020, DMI type 21, 7 bytes Built-in Pointing Device Type: Other Interface: PS/2 Buttons: 2 Handle 0x0021, DMI type 24, 5 bytes Hardware Security Power-On Password Status: Disabled Keyboard Password Status: Not Implemented Administrator Password Status: Enabled Front Panel Reset Status: Not Implemented Handle 0x0022, DMI type 15, 105 bytes System Event Log Area Length: 114 bytes Header Start Offset: 0x0000 Header Length: 16 bytes Data Start Offset: 0x0010 Access Method: General-purpose non-volatile data functions Access Address: 0x00F0 Status: Valid, Not Full Change Token: 0x00000006 Header Format: Type 1 Supported Log Type Descriptors: 41 Descriptor 1: Single-bit ECC memory error Data Format 1: Multiple-event handle Descriptor 2: Multi-bit ECC memory error Data Format 2: Multiple-event handle Descriptor 3: Parity memory error Data Format 3: None Descriptor 4: Bus timeout Data Format 4: None Descriptor 5: I/O channel block Data Format 5: None Descriptor 6: Software NMI Data Format 6: None Descriptor 7: POST memory resize Data Format 7: None Descriptor 8: POST error Data Format 8: POST results bitmap Descriptor 9: PCI parity error Data Format 9: None Descriptor 10: PCI system error Data Format 10: None Descriptor 11: CPU failure Data Format 11: None Descriptor 12: EISA failsafe timer timeout Data Format 12: None Descriptor 13: Correctable memory log disabled Data Format 13: None Descriptor 14: Logging disabled Data Format 14: None Descriptor 15: System limit exceeded Data Format 15: None Descriptor 16: Asynchronous hardware timer expired Data Format 16: None Descriptor 17: System configuration information Data Format 17: None Descriptor 18: Hard disk information Data Format 18: None Descriptor 19: System reconfigured Data Format 19: None Descriptor 20: Uncorrectable CPU-complex error Data Format 20: None Descriptor 21: Log area reset/cleared Data Format 21: None Descriptor 22: System boot Data Format 22: None Descriptor 23: OEM-specific Data Format 23: None Descriptor 24: OEM-specific Data Format 24: None Descriptor 25: OEM-specific Data Format 25: None Descriptor 26: OEM-specific Data Format 26: None Descriptor 27: OEM-specific Data Format 27: None Descriptor 28: OEM-specific Data Format 28: None Descriptor 29: OEM-specific Data Format 29: None Descriptor 30: OEM-specific Data Format 30: None Descriptor 31: OEM-specific Data Format 31: None Descriptor 32: OEM-specific Data Format 32: None Descriptor 33: OEM-specific Data Format 33: None Descriptor 34: OEM-specific Data Format 34: None Descriptor 35: OEM-specific Data Format 35: None Descriptor 36: OEM-specific Data Format 36: None Descriptor 37: OEM-specific Data Format 37: None Descriptor 38: OEM-specific Data Format 38: None Descriptor 39: OEM-specific Data Format 39: None Descriptor 40: OEM-specific Data Format 40: None Descriptor 41: OEM-specific Data Format 41: None Handle 0xFEFF, DMI type 127, 4 bytes End Of Table ~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 58 model name : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz stepping : 9 microcode : 0x12 cpu MHz : 1875.000 cache size : 3072 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms bogomips : 4989.01 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 58 model name : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz stepping : 9 microcode : 0x12 cpu MHz : 1625.000 cache size : 3072 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms bogomips : 4989.01 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 58 model name : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz stepping : 9 microcode : 0x12 cpu MHz : 1700.000 cache size : 3072 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 2 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms bogomips : 4989.01 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 58 model name : Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz stepping : 9 microcode : 0x12 cpu MHz : 1675.000 cache size : 3072 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 2 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms bogomips : 4989.01 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/