[ltp] Looking for X21 and R50 (some) owners - Kernel bug 3022 - Subsystem vendor/device IDs

[Alex Deucher]

On 5/3/06, Giorgio Lando <patroclo7@gmail.com> wrote:
> In the message sent about ten days ago to linux-thinkpad mailing list I f=
orward below, we were looking for
> owners of certain thinkpad models, asking them to send the output of a co=
uple
> of commands. Thanks for the many answers sent. However, we still miss the
> data concerning two models:
> Thinkpad X21

I'm not sure why the X21 is relevant.  It does not have a radeon chip.
 It's mach64 based.

Alex

> Thinkpad R50 (only if equipped with an Ati Mobility Radeon 7500)
>
> It is enough if you tell us which one you own and the output of:
> lspci -d "1002:*" -vn | grep Subsystem
>
> Please send this information to patroclo7@gmail.org.
>
> I send this email also to the general thinkpad mailing list. In fact, the=
 data we need (the SUBSYSTEM vendor/device IDs of the graphic chipset - NOT=
 the mere PCI vendor device IDs of the grphic chipset) can be grasped also =
if you happen to own one of these two laptops and to run windows on it. In =
this case, just drop me a line and I will try to hep you to get the data we=
 need.
>
> I thank you warmly in advance
>
> Giorgio Lando
>
> ----- Forwarded message from Giorgio Lando <patroclo7@gmail.com> -----
>
> Date: Thu, 20 Apr 2006 15:10:51 +0200
> From: Giorgio Lando <patroclo7@gmail.com>
> To: linux-thinkpad@linux-thinkpad.org
> Subject: Help Needed - Kernel bug 3022 - Subsystem vendor/device IDs
> User-Agent: mutt-ng/devel-r802 (Linux)
>
> Hi. We are working on a well known kernel bug, concerning a powerdrain is=
sue
> on some thinkpad models equipped with radeon graphic chipsets. The proble=
m
> is labelled as kernel bug 3022 in the kernel bug tracker and is also docu=
mented in the thinkwiki website:
> www.thinkwiki.org/wiki/Problem_with_high_power_drain_in_ACPI_sleep
>
> The problem seems to be solved on many models through a patch for the rad=
eon
> framebuffer driver, which
> activates suspension-to-D2 for the video card. However, suspension-to-D2 =
for
> radeon cards on x86 machines is in general not well documented, so we nee=
d to
> exactly identify the affected thinkpad models and to whitelist them into =
the
> patch itself. In the actual version of the patch, the whitelist includes =
the
> dmi version strings, but this system generates a whitelist too long and
> difficult to maintain/expand. Thus, in order to have this patch included =
in
> the mainline kernel, we have been asked to try to whitelist the subsystem
> vendor/device ids: in this way, the exact association between the mobo an=
d
> the graphic chipset is identified. Please note that the subsystem
> vendor/device IDs we need are not the pci vendor/device IDs of the graphi=
c
> chipset.
>
> Actually we need to translate the old whitelist in the new one, and we ha=
ve
> been up to now unable to get the subsystem vendor/device IDs for certain
> mobo<->graphic chipsets association. Here you can help us: if you have on=
e of
> the below listed thinkpad, you should send me (send an email to
> patroclo7@gmail.com, do not reply to the mailing list, if you do not want=
 to
> tell something of general interest) the output of the following
> command:
> lspci -d "1002:*" -vn | grep Subsystem
>
> This is the list of the affected thinkpad models (also with the graphic c=
ard
> specified, when the model is sold with different graphic cards) for
> which we do not know the subsystem vendor/device Ids and we need the outp=
ut
> of the command above.
>
> R32 (all of them)
> R40 (only if equipped with an ATI Mobility Radeon 7000, PCI ID 1002:4c59,=
 NOT
> if equipped with an ATI Mobility Radeon 7500, PCI ID 1002:4c57)
> R50 (only if equipped with an ATI Mobility Radeon 7500, PCI ID 1002:4c57,=
 NOT
> if equipped with an ATI Mobility Radeon 9000, PCI ID 1002:4c66)
> T40 (only if equipped with an ATI Mobility Radeon 9000, PCI ID 1002:4c66,=
 NOT
> if equipped with an ATI Mobility Radeon 7500, PCI ID 1002:4c57)
> X21 (all of them)
> X31 (all of them)
> X32 (all of them)
>
> I thank you warmly in advance
> Giorgio Lando
>
> ----- End forwarded message -----
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