Comment 29 for bug 116734

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Anup Jayapal Rao (anup-rao) wrote : Re: [Bug 116734] Re: PCI: BIOS BUG #81[49435000] found - [HP pavilion dv2000]
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I have checked with Hardy Heron [and Zenwalk with kernel 2.6.25]. I notice
these messages in addition to the PCI messages

PCI: Bridge: 0000:00:01.0
  IO window: 9000-9fff
  MEM window: b0100000-b01fffff
  PREFETCH window: c0000000-cfffffff
PCI: Bridge: 0000:00:04.0
  IO window: disabled.
  MEM window: disabled.
  PREFETCH window: disabled.
PCI: Bridge: 0000:00:05.0
  IO window: disabled.
  MEM window: disabled.
  PREFETCH window: disabled.
PCI: Bridge: 0000:00:06.0
  IO window: disabled.
  MEM window: disabled.
  PREFETCH window: disabled.
PCI: Bridge: 0000:00:07.0
  IO window: disabled.
  MEM window: disabled.
  PREFETCH window: disabled.

Sadly, on an ACER 5051AWXMi [my Laptop :-( ], these correspond to the PCI
Bridges for video.

00:00.0 Host bridge: ATI Technologies Inc RS480 Host Bridge (rev 10)
00:01.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:04.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:05.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:06.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:07.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge

checking dmesg reveals:

ACPI: PCI Interrupt 0000:01:05.0[A] -> GSI 17 (level, low) -> IRQ 21
[fglrx] GART Table is not in FRAME_BUFFER range

glxgears will report a score around 1700fps but enabling compositing will
drag the system. I believe that the root cause of this issue also causes the
laptop to underperform when running 3D applications.

I do not know if this is relevant, but I cannot seem to get my display to
work in 32bit depth , though 24 seems just fine. Could this be the result of
the same issue?

Regards,
Anup

On Tue, Apr 22, 2008 at 6:28 PM, Marciano <email address hidden> wrote:

> >From what i hear, hardy's kernel is based upon 2.6.24.3 , which may be
> why you guys haven't made the problem go away. Try compiling form
> source.
>
> --
> PCI: BIOS BUG #81[49435000] found - [HP pavilion dv2000]
> https://bugs.launchpad.net/bugs/116734
> You received this bug notification because you are a direct subscriber
> of the bug.
>