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[SOLVED] i915: Xorg only detects 8MB RAM
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thorbenk
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Joined: 25 Jan 2005
Posts: 20

PostPosted: Thu Jul 21, 2005 2:44 pm    Post subject: [SOLVED] i915: Xorg only detects 8MB RAM Reply with quote

I have tried almost everything, but I just can't get xvideo and direct rendering to work with the i810 driver using Xorg 6.8.99.15.

  • Kernel: gentoo-sources-2.6.12-r6
  • Xorg: xorg-x11-6.8.99.15
  • Hardware: Samsung X20 XVM 1600 V


This is what I get:
Code:

(WW) I810: No matching Device section for instance (BusID PCI:0:2:1) found
(WW) I810(0): Bad V_BIOS checksum
(WW) I810(0): /dev/agpgart is either not available, or no memory is available
(WW) I810(0): VideoRAM reduced to 7932 kByte (limited to available sysmem)
(WW) I810(0): Bad V_BIOS checksum


Looks like Xorg only recognizes 8MB RAM, but that is not enough for direct rendering etc. to be enabled
Code:

(II) I810(0): 15440 kBytes additional video memory is required to
        enable tiling mode for DRI.
(II) I810(0): 3040 kBytes additional video memory is required to enable DRI.
(II) I810(0): Disabling DRI.

And what is this??
Code:
(II) I810(0): I830CheckAvailableMemory: -545582944 kB available


This is what is relevant in the Character devices section in the kernel:
Code:

<*> /dev/agpgart (AGP Support)
<*>   Intel 440LX/BX/GX, I8xx and E7x05 chipset support
<*> Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
<*>   Intel 830M, 845G, 852GM, 855GM, 865G (i915 driver)


And here DRI and Device section of my xorg.conf:
Code:

Section "DRI"
  Mode 0666
EndSection

Section "Device"
  Identifier  "i915Chipset"
  Driver      "i810"
  VideoRam    131072
  Option      "NoAccel"       "false"
  Option      "DRI"           "true"
EndSection


Edited to add:
This is what dmesg says:
Code:

Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 915GM Chipset.
agpgart: Detected 7932K stolen memory.
agpgart: AGP aperture is 256M @ 0xc0000000
[drm] Initialized drm 1.0.0 20040925
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
PCI: setting IRQ 11 as level-triggered
ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
[drm] Initialized i915 1.1.0 20040405 on minor 0: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller


Any ideas? I hate having a 1,6Ghz CPU and not being able to watch DVDs ;-)


Last edited by thorbenk on Fri Jul 22, 2005 2:04 pm; edited 1 time in total
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keyson
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Joined: 10 Jun 2003
Posts: 830
Location: Sweden

PostPosted: Fri Jul 22, 2005 1:43 pm    Post subject: Reply with quote

Hi

Have you checked your bios setting?

It borrow's from your system memory
Quote:

(II) I810(0): I830CheckAvailableMemory: -545582944 kB available

You seems to have 512Mb memory.
Quote:

(WW) I810(0): VideoRAM reduced to 7932 kByte (limited to available sysmem)


Seeams to me that you have set the bios to 8MB video memory.
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thorbenk
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Joined: 25 Jan 2005
Posts: 20

PostPosted: Fri Jul 22, 2005 2:03 pm    Post subject: Reply with quote

This problem has been solved.
For details, see here: http://gentoo-wiki.com/HARDWARE_Samsung_X20
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