Hello!
> Can you try the attached diff?
Good work! Your patch applied to stock 7.4 source without problems and
system booted fine. Here is dmesg output:
OpenBSD 7.4 (HPUEFI2) #0: Mon Dec 25 09:17:37 CET 2023
ansi...@obsd74-uefi.my.domain:/usr/src/sys/arch/amd64/compile/HPUEFI2
real mem =
> Date: Wed, 20 Dec 2023 12:00:47 +0100
> From: Henryk Paluch
>
> Hello!
>
> > Ah, cool. That is a bit of a heck though. I did look into what is
> > needed to fix this properly. If I send you a diff, can you test it?
>
> Feel free to send me patches. I will test them.
>
> Best regards
>
Hello!
> Ah, cool. That is a bit of a heck though. I did look into what is
> needed to fix this properly. If I send you a diff, can you test it?
Feel free to send me patches. I will test them.
Best regards
--Henryk Paluch
On 12/20/23 11:50, Mark Kettenis wrote:
Date: Wed, 20 Dec 2023
> Date: Wed, 20 Dec 2023 09:30:45 +0100
> From: Henryk Paluch
>
> Hello!
>
> Problem fixed! I resolved ACPI panic when booting OpenBSD7.4 as guest VM
> under Hyper-V Server 2012R2 in UEFI (Generation 2) mode with this simple
> patch:
>
> --- usr/src/sys/dev/acpi/dsdt.c.orig Tue Dec 19
Hello!
Problem fixed! I resolved ACPI panic when booting OpenBSD7.4 as guest VM
under Hyper-V Server 2012R2 in UEFI (Generation 2) mode with this simple
patch:
--- usr/src/sys/dev/acpi/dsdt.c.origTue Dec 19 07:49:12 2023
+++ usr/src/sys/dev/acpi/dsdt.c Wed Dec 20 07:43:05 2023
@@ -3742,7
Hello!
I was able to gather additional information - using small path for stock
OpenBSD 7.4/amd64 kernel to print few debug messages. Additionally I
used ACPI tools under Linux guest (under same Hyper-V in UEFI mode) to
get details on ACPI tables.
The kernel patch is this primitive:
diff
Hello!
While playing with GENERIC 7.4/amd64 (install74.img) under various UEFI
environments (works fine under both Proxmox/KVM and LibVirt/KVM with
i440fx machine) I had accidentally found that under Hyper-V/UEFI kernel
panics on early ACPI enumeration (originally I thought that it was
