Atheros 9285 & Atheros AR8131
jhb at freebsd.org
Mon Mar 28 18:06:29 UTC 2011
On Monday, March 28, 2011 12:46:02 pm Ксензов Алексей wrote:
> 2011/3/29 Sergio de Almeida Lenzi <lenzi.sergio at gmail.com>
> > This is probably due to a problem FreeBSD has with ACPI initialization
> > sometimes wiping out the state in PCI-PCI bridges for resource windows and not
> > gracefully recovering from that. I have some early work in progress to
> > address this, but it will be a while before I have something ready for
> > testing.
> > it is the acer bios that is does not follow acpi standard... I have the
> > same problem
> > in an old acer 5050 no solution still... I had to install linux in that
> > notebook.
> > My advice is not to buy acer... they are cheap any good...
> > Well let's wait for the Baldwin fix....
> maybe this can be corrected by editing the ASL?
We've never figured out what is zeroing the registers in the PCI-PCI bridges.
I suspect it is not something in the ASL, but is a side effect of some BIOS
code that runs in SMM when ACPI is turned on.
More information about the freebsd-acpi