19.03.2015 14:56, One Thousand Gnomes wrote: > On Thu, 19 Mar 2015 14:09:29 +0300 > Michael Tokarev <mjt@xxxxxxxxxx> wrote: > >> Half a year passed since my first email in this thread, and current kernels >> (4.0-tobe) still does not work properly. Meanwhile, I found this thread: >> http://www.linuxquestions.org/questions/slackware-installation-40/black-screen-on-intel-desktopboard-d2500cc-4175503983/ >> which seems to help. I wonder where they got these boot params from... > > Its one of the standard suggestions for dealing with wonky DRM I think. > > If that makes the difference on your box can you send me a dmidecode of > it, and I'll see if we can at least teach the driver that the 2500CC > needs LVDS enabled regardless of what the BIOS reports. I think you mean disable, not enable, since this is (again, I think) what video=LVDS-1:d kernel boot parameter does. Yes, with video=LVDS-1:d boot parameter, kernel boots fine and there is graphics/video output on the screen, with the following message from kernel when loading gma500_gfx: [ 6.472859] [drm] forcing LVDS-1 connector OFF (and a few others). There's one funky thing still -- the screen size is not calculated correctly for the text (vga, d-sub) console, last text line is placed at about 3/4 of the screen size, with the rest - 1/4 - of the screen being blank. However, X seems to work fine, using generic modesetting driver. Below is dmidecode output. Thanks, /mjt =========================================================== # dmidecode 2.12 SMBIOS 2.7 present. 27 structures occupying 1491 bytes. Table at 0x000EB920. Handle 0x0000, DMI type 4, 42 bytes Processor Information Socket Designation: CPU 1 Type: Central Processor Family: Other Manufacturer: Intel(R) Corporation ID: 61 06 03 00 FF FB EB BF Version: Intel(R) Atom(TM) CPU D2500 @ 1.86GHz Voltage: 1.1 V External Clock: 133 MHz Max Speed: 4000 MHz Current Speed: 1868 MHz Status: Populated, Enabled Upgrade: None L1 Cache Handle: 0x0003 L2 Cache Handle: 0x0001 L3 Cache Handle: Not Provided Serial Number: Not Specified Asset Tag: Not Specified Part Number: Not Specified Core Count: 2 Core Enabled: 2 Thread Count: 1 Characteristics: 64-bit capable Multi-Core Execute Protection Handle 0x0001, DMI type 7, 19 bytes Cache Information Socket Designation: Unknown Configuration: Enabled, Not Socketed, Level 2 Operational Mode: Write Back Location: Internal Installed Size: 512 kB Maximum Size: 512 kB Supported SRAM Types: Asynchronous Installed SRAM Type: Asynchronous Speed: Unknown Error Correction Type: Single-bit ECC System Type: Data Associativity: 8-way Set-associative Handle 0x0002, DMI type 7, 19 bytes Cache Information Socket Designation: Unknown Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 32 kB Maximum Size: 32 kB Supported SRAM Types: Asynchronous Installed SRAM Type: Asynchronous Speed: Unknown Error Correction Type: Single-bit ECC System Type: Instruction Associativity: 8-way Set-associative Handle 0x0003, DMI type 7, 19 bytes Cache Information Socket Designation: Unknown Configuration: Enabled, Not Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 24 kB Maximum Size: 24 kB Supported SRAM Types: Asynchronous Installed SRAM Type: Asynchronous Speed: Unknown Error Correction Type: Single-bit ECC System Type: Data Associativity: 32-way Set-associative Handle 0x0004, DMI type 0, 24 bytes BIOS Information Vendor: Intel Corp. Version: CCCDT10N.86A.0039.2013.0425.1625 Release Date: 04/25/2013 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 2048 kB Characteristics: PCI is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported EDD is supported 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 ATAPI Zip drive boot is supported BIOS boot specification is supported Function key-initiated network boot is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 0.0 Firmware Revision: 0.0 Handle 0x0005, DMI type 1, 27 bytes System Information Manufacturer: Product Name: Version: Serial Number: UUID: 3C0B362E-E80B-E111-BB21-000EA68F75B9 Wake-up Type: Power Switch SKU Number: Not Specified Family: Not Specified Handle 0x0006, DMI type 2, 20 bytes Base Board Information Manufacturer: Intel Corporation Product Name: D2500CC Version: AAG43156-301 Serial Number: BQCC146000RT Asset Tag: Base Board Asset Tag Features: Board is a hosting board Board is replaceable Location In Chassis: Base Board Chassis Location Chassis Handle: 0x0007 Type: Unknown Contained Object Handles: 0 Handle 0x0007, DMI type 3, 22 bytes Chassis Information Manufacturer: Type: Desktop Lock: Not Present Version: Serial Number: Asset Tag: Boot-up State: Safe Power Supply State: Safe Thermal State: Other Security Status: Other OEM Information: 0x00000000 Height: Unspecified Number Of Power Cords: Unspecified Contained Elements: 0 SKU Number: Not Specified Handle 0x0008, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: PRIMARY Internal Connector Type: On Board IDE External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x0009, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: SECONDARY Internal Connector Type: On Board IDE External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x000A, DMI type 8, 9 bytes Port Connector Information Internal Reference Designator: ATX_PWR Internal Connector Type: Other External Reference Designator: Not Specified External Connector Type: None Port Type: Other Handle 0x000B, DMI type 9, 17 bytes System Slot Information Designation: PCIE X1 SLOT 1 Type: x1 PCI Express Current Usage: Available Length: Short ID: 2 Characteristics: 3.3 V is provided PME signal is supported SMBus signal is supported Bus Address: 0000:00:00.0 Handle 0x000C, DMI type 9, 17 bytes System Slot Information Designation: PCI SLOT 1 Type: 32-bit PCI Current Usage: Available Length: Long ID: 1 Characteristics: 3.3 V is provided PME signal is supported SMBus signal is supported Bus Address: 0000:00:00.0 Handle 0x000D, DMI type 10, 6 bytes On Board Device Information Type: Video Status: Enabled Description: Intel(R) GMA 3600 Video Device Handle 0x000E, DMI type 10, 6 bytes On Board Device Information Type: Ethernet Status: Enabled Description: Intel(R) 82574L Gigabit Ethernet Device Handle 0x000F, DMI type 10, 6 bytes On Board Device Information Type: Sound Status: Disabled Description: Intel(R) High Definition Audio Device Handle 0x0010, DMI type 41, 11 bytes Onboard Device Reference Designation: Intel(R) GMA 3600 Video Device Type: Video Status: Enabled Type Instance: 0 Bus Address: 0000:00:02.0 Handle 0x0011, DMI type 41, 11 bytes Onboard Device Reference Designation: Intel(R) 82574L Gigabit Ethernet Device Type: Ethernet Status: Enabled Type Instance: 0 Bus Address: 0000:01:00.0 Handle 0x0012, DMI type 41, 11 bytes Onboard Device Reference Designation: Intel(R) High Definition Audio Device Type: Sound Status: Disabled Type Instance: 0 Bus Address: 0000:00:1b.0 Handle 0x0013, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Abbreviated Installable Languages: 1 enUS Currently Installed Language: enUS Handle 0x0014, DMI type 32, 20 bytes System Boot Information Status: No errors detected Handle 0x0015, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 4 GB Error Information Handle: Not Provided Number Of Devices: 2 Handle 0x0016, DMI type 17, 34 bytes Memory Device Array Handle: 0x0015 Error Information Handle: Not Provided Total Width: Unknown Data Width: Unknown Size: No Module Installed Form Factor: DIMM Set: None Locator: SO DIMM 0 Bank Locator: Channel A DIMM0 Type: Unknown Type Detail: Synchronous Speed: Unknown Manufacturer: NO DIMM Serial Number: NO DIMM Asset Tag: NO DIMM Part Number: NO DIMM Rank: Unknown Configured Clock Speed: Unknown Handle 0x0017, DMI type 17, 34 bytes Memory Device Array Handle: 0x0015 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 1024 MB Form Factor: DIMM Set: None Locator: SO DIMM 1 Bank Locator: Channel A DIMM1 Type: DDR3 Type Detail: Synchronous Speed: 1066 MHz Manufacturer: 0x0000000000000000 Serial Number: 0x00000000 Asset Tag: Unknown Part Number: 0x000000000000000000000000000000000000 Rank: Unknown Configured Clock Speed: 1066 MHz Handle 0x0018, DMI type 20, 35 bytes Memory Device Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0003FFFFFFF Range Size: 1 GB Physical Device Handle: 0x0017 Memory Array Mapped Address Handle: 0x0019 Partition Row Position: 1 Handle 0x0019, DMI type 19, 31 bytes Memory Array Mapped Address Starting Address: 0x00000000000 Ending Address: 0x0003FFFFFFF Range Size: 1 GB Physical Array Handle: 0x0015 Partition Width: 2 Handle 0xFEFF, DMI type 127, 4 bytes End Of Table _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel