Re: CVS commit: src/sys/arch/amd64

[Masanobu SAITOH <msaitoh%execsw.org@localhost>]

On 2019/12/24 23:47, Emmanuel Dreyfus wrote:
> On Tue, Dec 24, 2019 at 05:50:00PM +0900, Ryo ONODERA wrote:
>> After this change, amd64 kernel does not boot on my HP Spectre x360
>> 13-inch ae019TU laptop with pure UEFI boot mode.

 I have a UEFI boot machine and it also doesn't boot well.

 - It hangs after attaching ioapic0, cpu0 or acpi0 (or something else).
   The possibility is about 65%
 - It sometimes panic in acpi_attach(), acpimcfg_probe or something else.
   The possibility is about 10%
 - It sometimes boot up.
   The possibility is about 25%

> Hello
> 
> Does the attached patch (crafted for port-amd64/54775) fix the
> problem?

 I tried your patch(It can't apply cleanly, so a applied it by hand).
I can't see any improvement.

 It seems for me that ACPI table can't decode correctly when it couldn't
boot up.

-- 
-----------------------------------------------
                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)