Author

Topic: 2nd 6870 video card not working in Linux (Read 6785 times)

newbie
Activity: 56
Merit: 0
June 11, 2011, 03:48:48 AM
#7
I've had the same issue with Ubuntu and gave up.  I still run windows for my dual card systems.

Does anyone know how to fool a second video card into activating without plugging a monitor into it?  If so, I'll go back and try again.

Dummy plugs and/or monitors are not required for Linux.  I believe the issue here is installing a 2nd card after the initial installation of Ubuntu.   

I had the same problem above when I installed a 3rd card to Linux.  I have since fixed the problem by using the above fix, but adding SUDO.

"sudo aticonfig --initial -f --adapter=all"
"sudo reboot"

This has fixed the problem and everything is working great.
member
Activity: 72
Merit: 10
I've had the same issue with Ubuntu and gave up.  I still run windows for my dual card systems.

Does anyone know how to fool a second video card into activating without plugging a monitor into it?  If so, I'll go back and try again.
sr. member
Activity: 392
Merit: 250
I had to figure it out myself -- got it working though.

The key was

aticonfig --initial -f --adapter=all

AFTER plugging in a monitor on that 2nd video card and rebooting. Apparently, no monitor, no video card recognized by the system.

It was all downhill from there.

newbie
Activity: 11
Merit: 0
I'm using 2 6850s but am having the same issue.  Last night DiabloMiner seemed to see them both, but no dice today.  I also can't get sensor readings on the 2nd card.
sr. member
Activity: 392
Merit: 250
Is it normal to NOT see anything when you plug your monitor into a 2nd video card?
That's the case for me -- it might be because I only have one "screen" set up in xorg.conf

Is there a good website that covers this stuff? I did some googling, but surprisingly can't find much of anything.
sr. member
Activity: 392
Merit: 250
I manually added a new "device" to my xorg.conf (see above)-- it seems to be working.

Now I'm trying to get a miner to see the 2nd card!

Here is what I see though:

Code:
root@Matthew:/poclbm# ./poclbm.py
No device specified or device not found, use -d to specify one of the following

[0] Barts
[1] Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz

"Barts" seems to be the name of the 6870. But why doesn't it see 2 of them?

Please chime in if you have any ideas...

Thanks,

Matthew


Here is what CLInfo says about my setup:

Number of platforms:             1
  Platform Profile:             FULL_PROFILE
  Platform Version:             OpenCL 1.1 AMD-APP-SDK-v2.4 (595.10)
  Platform Name:                AMD Accelerated Parallel Processing
  Platform Vendor:             Advanced Micro Devices, Inc.
  Platform Extensions:          cl_khr_icd cl_amd_event_callback cl_amd_offline_devices


  Platform Name:                AMD Accelerated Parallel Processing
Number of devices:             2
  Device Type:                CL_DEVICE_TYPE_GPU
  Device ID:                4098
  Max compute units:             14
  Max work items dimensions:          3
    Max work items[0]:             256
    Max work items[1]:             256
    Max work items[2]:             256
  Max work group size:             256
  Preferred vector width char:          16
  Preferred vector width short:          8
  Preferred vector width int:          4
  Preferred vector width long:          2
  Preferred vector width float:          4
  Preferred vector width double:       0
  Max clock frequency:             950Mhz
  Address bits:                32
  Max memory allocation:          134217728
  Image support:             Yes
  Max number of images read arguments:    128
  Max number of images write arguments:    8
  Max image 2D width:          8192
  Max image 2D height:          8192
  Max image 3D width:          2048
  Max image 3D height:    2048
  Max image 3D depth:          2048
  Max samplers within kernel:       16
  Max size of kernel argument:          1024
  Alignment (bits) of base address:       32768
  Minimum alignment (bytes) for any datatype:    128
  Single precision floating point capability
    Denorms:                No
    Quiet NaNs:                Yes
    Round to nearest even:          Yes
    Round to zero:             Yes
    Round to +ve and infinity:          Yes
    IEEE754-2008 fused multiply-add:       Yes
  Cache type:                None
  Cache line size:             0
  Cache size:                0
  Global memory size:             536870912
  Constant buffer size:             65536
  Max number of constant args:          8
  Local memory type:             Scratchpad
  Local memory size:             32768
  Profiling timer resolution:          1
  Device endianess:             Little
  Available:                Yes
  Compiler available:             Yes
  Execution capabilities:            
    Execute OpenCL kernels:          Yes
    Execute native function:          No
  Queue properties:            
    Out-of-Order:             No
    Profiling :                Yes
  Platform ID:                0x7ff576ea8800
  Name:                   Barts
  Vendor:                Advanced Micro Devices, Inc.
  Driver version:             CAL 1.4.1385
  Profile:                FULL_PROFILE
  Version:                OpenCL 1.1 AMD-APP-SDK-v2.4 (595.10)
  Extensions:                cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_gl_sharing cl_amd_device_attribute_query cl_amd_printf cl_amd_media_ops cl_amd_popcnt
  Device Type:                CL_DEVICE_TYPE_CPU
  Device ID:                4098
  Max compute units:             8
  Max work items dimensions:          3
    Max work items[0]:             1024
    Max work items[1]:             1024
    Max work items[2]:             1024
  Max work group size:             1024
  Preferred vector width char:          16
  Preferred vector width short:          8
  Preferred vector width int:          4
  Preferred vector width long:          2
  Preferred vector width float:          4
  Preferred vector width double:       0
  Max clock frequency:             3701Mhz
  Address bits:                64
  Max memory allocation:          2147483648
  Image support:             Yes
  Max number of images read arguments:    128
  Max number of images write arguments:    8
  Max image 2D width:          8192
  Max image 2D height:          8192
  Max image 3D width:          2048
  Max image 3D height:    2048
  Max image 3D depth:          2048
  Max samplers within kernel:       16
  Max size of kernel argument:          4096
  Alignment (bits) of base address:       1024
  Minimum alignment (bytes) for any datatype:    128
  Single precision floating point capability
    Denorms:                Yes
    Quiet NaNs:                Yes
    Round to nearest even:          Yes
    Round to zero:             Yes
    Round to +ve and infinity:          Yes
    IEEE754-2008 fused multiply-add:       No
  Cache type:                Read/Write
  Cache line size:             64
  Cache size:                32768
  Global memory size:             6255067136
  Constant buffer size:             65536
  Max number of constant args:          8
  Local memory type:             Global
  Local memory size:             32768
  Profiling timer resolution:          1
  Device endianess:             Little
  Available:                Yes
  Compiler available:             Yes
  Execution capabilities:            
    Execute OpenCL kernels:          Yes
    Execute native function:          Yes
  Queue properties:            
    Out-of-Order:             No
    Profiling :                Yes
  Platform ID:                0x7ff576ea8800
  Name:                   Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz
  Vendor:                GenuineIntel
  Driver version:             2.0
  Profile:                FULL_PROFILE
  Version:                OpenCL 1.1 AMD-APP-SDK-v2.4 (595.10)
  Extensions:                cl_khr_fp64 cl_amd_fp64 cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_byte_addressable_store cl_khr_gl_sharing cl_ext_device_fission cl_amd_device_attribute_query cl_amd_vec3 cl_amd_media_ops cl_amd_popcnt cl_amd_printf


Error : atomics mismatch!
Error : Bytes mismatch!
Error : images mismatch!
Failed!
sr. member
Activity: 392
Merit: 250
I have a Sapphire Radeon 6870 which has worked perfectly up to and including today.
I just bought an XFX Radeon 6870, and am trying to install it on my Linux system.

The 2nd video card was installed properly, with 2 PCI-E power cables attached, etc.
Linux (Mint 11, 64-bit) sees the card:

root@Matthew:/etc# aticonfig --list-adapters
* 0. 01:00.0 AMD Radeon HD 6800 Series
  1. 02:00.0 AMD Radeon HD 6800 Series

* - Default adapter


BUT when I try to use it for mining, it doesn't seem to be accessible.
Ideas?

root@Matthew:/etc# aticonfig --adapter=all --odgt
Adapter 0 - AMD Radeon HD 6800 Series
            Sensor 0: Temperature - 77.00 C
ERROR - Get temperature failed for Adapter 1 - AMD Radeon HD 6800 Series

root@Matthew:/home/matthew# aticonfig --adapter=all --odgc

Adapter 0 - AMD Radeon HD 6800 Series
                            Core (MHz)    Memory (MHz)
           Current Clocks :    950           1050
             Current Peak :    950           1050
  Configurable Peak Range : [775-1000]     [1050-1250]
                 GPU load :    99%
ERROR - Get clocks failed for Adapter 1 - AMD Radeon HD 6800 Series


Here is my xorg.conf file:

Section "ServerLayout"
   Identifier     "aticonfig Layout"
   Screen      0  "aticonfig-Screen[0]-0" 0 0
EndSection

Section "Module"
EndSection

Section "Monitor"
   Identifier   "aticonfig-Monitor[0]-0"
   Option       "VendorName" "ATI Proprietary Driver"
   Option       "ModelName" "Generic Autodetecting Monitor"
   Option       "DPMS" "true"
EndSection


Section "Device"
   Identifier  "aticonfig-Device[0]-0"
   Driver      "fglrx"
   BusID       "PCI:1:0:0"
EndSection

Section "Device"
   Identifier  "aticonfig-Device[1]-0"
   Driver      "fglrx"
   BusID       "PCI:2:0:0"
EndSection

Section "Screen"
   Identifier "aticonfig-Screen[0]-0"
   Device     "aticonfig-Device[0]-0"
   Monitor    "aticonfig-Monitor[0]-0"
   DefaultDepth     24
   SubSection "Display"
      Viewport   0 0
      Depth     24
   EndSubSection
EndSection


Here is my PCI listing:


root@Matthew:/home/matthew# lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation 2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:01.1 PCI bridge: Intel Corporation 2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series Chipset Family High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.3 PCI bridge: Intel Corporation 82801 PCI Bridge (rev b5)
00:1c.4 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 5 (rev b5)
00:1c.5 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 6 (rev b5)
00:1c.6 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 7 (rev b5)
00:1c.7 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express Root Port 8 (rev b5)
00:1d.0 USB Controller: Intel Corporation 6 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation P67 Express Chipset Family LPC Controller (rev 05)
00:1f.2 IDE interface: Intel Corporation 6 Series Chipset Family 4 port SATA IDE Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series Chipset Family SMBus Controller (rev 05)
00:1f.5 IDE interface: Intel Corporation 6 Series Chipset Family 2 port SATA IDE Controller (rev 05)
01:00.0 VGA compatible controller: ATI Technologies Inc Barts XT [ATI Radeon HD 6800 Series]
01:00.1 Audio device: ATI Technologies Inc Barts HDMI Audio [Radeon HD 6800 Series]
02:00.0 VGA compatible controller: ATI Technologies Inc Barts XT [ATI Radeon HD 6800 Series]
02:00.1 Audio device: ATI Technologies Inc Barts HDMI Audio [Radeon HD 6800 Series]
04:00.0 PCI bridge: Integrated Technology Express, Inc. Device 8892 (rev 10)
06:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
07:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
08:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)
09:00.0 IDE interface: Marvell Technology Group Ltd. Device 91a3 (rev 11)


Here is what the driver is reporting -- how do I bash this driver over the head to convince it I have two graphics cards? Do I need to uninstall/reinstall the driver?

root@Matthew:/home/matthew# fglrxinfo
display: :0  screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: AMD Radeon HD 6800 Series
OpenGL version string: 4.1.10750 Compatibility Profile Context
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