Re: USB keyboard recognized during boot menu, not later

[Mayuresh <mayuresh%acm.org@localhost>]

On Wed, Jun 17, 2015 at 08:27:00PM -0400, Greg Troxel wrote:
> Mayuresh <mayuresh%acm.org@localhost> writes:
> 
> > ACPI Error: No handler for region [RCM0] ... (20131218/evregion-181)
> > <snip 3 more ACPI Errors>
> > acpiec0: GPE query method _Q42 failed: AE_NOT_EXIST
> > uhub0 at usb0: vendor 0x8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
> > <snip ahcisata0 messages>
> > uvm_fault(...,0x0,1) -> e
> > fatal page fault in supervisor mode
> > trap type 6 code 0 rip ... cs 8 rflags 10206 cr2 f0 ilevel 0 rsp ..
> > curlwp...
> > kernel: page fault trap, code=0
> > Stopped in .... intel_gen6_powersave_work+0x430: movq f
> 
> So there's a bug in our ACPI code and perhaps odd data in your
> notebook.   The only thing I can really suggest other than really
> debugging it is to disable ACPI.

Disabling acpi just takes away ACPI error messages. uvm_fault onwards
messages are same.

Will report about current soon.

Mayuresh.