Re: Current amd64 kernel not booting (acpi related)

[christos%astron.com@localhost (Christos Zoulas)]

In article <20160124151107.76c32e87ad8b01ba7ed5bb1e%welho.com@localhost>,
Jukka Andberg  <jukka.andberg%welho.com@localhost> wrote:
>Hi,
>
>I'm seeing that recent -current kernels crash for me on boot on amd64.
>
>--- (copied by hand, might be some typos)
>
>uvm_fault(0xffffffff811fda00, 0x0, 1) -> e
>fatal page fault in supervisor mode
>trap type 6 code 0 rip ffffffff804f7919 cs 8 rflags 10297 cr2 38 ilevel 8
>rsp ffffffff813cc950
>curlwp 0xffffffff8114f420 pid 0.1 lowest kstack 0xffffffff813c92c0
>kernel: page fault trap, code=0
>Stopped in pid 0.1 (system) at  netbsd:AcpiOsReadPciConfiguration+0x4b:
>movq 38(%rax),%rdi
>
>db{0}> bt
>AcpiOsReadPciConfiguration() at netbsd:AcpiOsReadPciConfiguration+0x4b
>AcpiEvAddressSpaceDispatch() at netbsd:AcpiEvAddressSpaceDispatch+0xf7

Can you add some debugging statements to AcpiEvAddressSpaceDispatch and
see where AcpiOsReadPciConfiguration is called from?

christos