@stuart Thank for the suggestion - unfortunately after following the steps
in that link the same error occurred (entry point at: 0x1001000); I
reverted to the obsd kernel (i.e., at boot time, “b obsd”), it’s booting
and the system seems to be working OK, but without dmesg - when I try to
run dmesg, I get:

dmesg: sysctl: KERN_MSGBUF: Cannot allocate memory

$ uname -a
OpenBSD chuwi.mabvb.pro 6.7 GENERIC.MP#6 amd64

Not sure if there’s anything else I can do, if there is I’d be happy try it
out.

Regards

Michel


*Subject:    Re: Snapshot crash on boot, "entry point at: 0x1001000"
(Intel Gemini Lake) <https://marc.info/?t=160224401000002&r=1&w=2>
From:       Stuart Henderson <stu () spacehopper ! org>
<https://marc.info/?a=103971340500002&r=1&w=2>
Date:       2020-10-10 10:51:45
<https://marc.info/?l=openbsd-misc&r=1&b=202010&w=2>
Message-ID: slrnro34i1.2d2i.stu () naiad ! spacehopper ! org
<https://marc.info/?i=slrnro34i1.2d2i.stu%20()%20naiad%20!%20spacehopper%20!%20org>
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On 2020-10-09, Michel von Behr <michelb...@gmail.com> wrote:
> I'm trying to run snapshot on a Chuwi Lapbook laptop (Intel Gemini Lake),
> but I get stuck at boot time with the message "entry point at: 0x1001000".
> Based on previous discussions [1] 
> <https://marc.info/?l=openbsd-misc&m=160232725921508&w=2#1> it looks like the 
> problem is with
> BOOTX64.EFI
> For now I'll be running -stable, but I would like to follow -current. Is
> there a way to run -current with an old version of BOOTX64.EFI for example?

If you upgrade by downloading and untarring sets on the running system,
you can avoid updating the bootloader, the basic method is described
inhttp://www.openbsd.org/faq/upgrade67.html#NoInstKern (obviously skip
the "update the bootloader" step).

Note that newer versions of the bootloader read the seed for early RNG use
in the kernel, I'm not sure when it was added but you might miss out on
that with a 6.7 bootloader.




On Fri, 9 Oct 2020 at 3:37 PM Michel von Behr <michelb...@gmail.com> wrote:

> Hi all,
> I'm trying to run snapshot on a Chuwi Lapbook laptop (Intel Gemini Lake),
> but I get stuck at boot time with the message "entry point at: 0x1001000".
> Based on previous discussions [1] it looks like the problem is with
> BOOTX64.EFI
> For now I'll be running -stable, but I would like to follow -current. Is
> there a way to run -current with an old version of BOOTX64.EFI for example?
> (i.e., the only alternatives I'm seeing is either 1) compiling a GENERIC
> kernel with the older version of BOOTX64.EFI src, or 2) (try to) compile a
> custom/smaller kernel to avoid the issue).
>
> [1] https://marc.info/?l=openbsd-misc&m=159147446008114&w=2
>
> Any pointing to the right direction is welcome.
>
> Regards,
>
> Michel
>

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