On Mon, 17 Aug 2015 11:27:11 -0600
Michael Torrie <[email protected]> wrote:

> > So my question is, is there a Linux tool for turning on PCI devices
> > in such a situation? In case something makes this device disappear
> > again?  
> 
> Is it possible you're missing the firmware file for it on Linux?
> After windows had booted it loaded the firmware for you, so the
> device works. On Debian there's a firmware-realtek package you need
> to have installed. Not sure about other distros.

I don't think so. The installer (debian netinst, using the expert
install option) identified the firmware file wanted, so I installed the
appropriate package right after the initial boot into the new
installation. I then installed XFCE, which installed Network Manager.
Since I originally did a CL only installation, the installation
included the Ethernet device in /etc/network/interfaces, which I then
commented out. On the next boot, still no joy.

Also, the ability to show up in lspci should not depend on the
firmware. The PCI standard requires the ability to enumerate (walk) the
PCI bus and identify each device on boot, without drivers of any sort
present. The theory is that you enumerate the bus, and only then load
drivers as appropriate. I believe the BIOS does this for its own
purposes, and then the kernel does it again for its purposes. (Yeah, I
know, standards are wonderful. Everybody should have one, etc...)



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