[systemd-devel] pci.ids confusion

[Jerome Leclanche]

Ah, yes. It makes a lot more sense with that change.
  RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (M4A785TD
Motherboard)

Thanks!
J. Leclanche


On Mon, Apr 14, 2014 at 4:34 PM, Kay Sievers <kay at vrfy.org> wrote:
> On Sun, Apr 13, 2014 at 6:58 AM, Jerome Leclanche <adys.wh at gmail.com> wrote:
>> This is a followup of a chat on #systemd. The pciids-devel list is
>> dead and someone recommended I post here instead.
>> While browsing some debug logs, I came accross a confusing message:
>> "systemd[1]: Found device M4A785TD Motherboard". I was even more
>> confused since I don't actually have a M4A785TD but a P7P55D-E DELUXE.
>> Turns out this is one of my two ethernet adapters. Specifically, in
>> hwdata/pci.ids, "1019 8168  RTL8111/8168 PCI Express Gigabit Ethernet
>> controller".
>> Out of curiousity I started digging in the pci.ids file (10ec  Realtek
>> Semiconductor Co., Ltd. around line 9120). I'm trying to understand
>> the format but it's looking like motherboards are a subsystem of their
>> own ethernet adapter. This is further confirmed with lspci:
>>
>> 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
>> RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 03)
>>         Subsystem: ASUSTeK Computer Inc. M4A785TD Motherboard
>>
>> I'd love to submit a fix but this is very counter-intuitive. Can
>> anyone shed some light on it?
>
> The PCI database contains a lot of wrong, mindlessly added, and
> inconsistent data; some strings just do not make much sense, and there
> seems to be not much effort to correct it.
>
> I pushed a change to show the "primary" string too; it is all not
> pretty, but should be less confusing that what you see today:
>   http://cgit.freedesktop.org/systemd/systemd/commit/?id=d060b62fcb4746d3758c567e9379c6728a035b66
>
> Thanks,
> Kay