Re: unable to cross-compile kernel?

On 7/4/25 18:21, matthew green wrote:
>>     Hi folks, I hope everyone is doing well here.  It has been a while.
> 
> yo.

   Good to see your name in my inbox.

>>     I've cross-compiled a sparc GENERIC.MP kernel on an amd64 system,
>> transferred it over to the target system (SPARCstation-10, 2x SM41) and
>> it fails to boot.  The bootstrap says "Cannot load netbsd: error=5" and
>> prompts me for a boot device.
> 
> that error comes from /boot, so it's some EIO coming from either
> sparc boot or libsa/libkern.

   It's not getting errors from anywhere else, though, so that seems 
weird.  The hardware is otherwise fine and sees frequent use.

>>     The build machine is a fresh-off-the-ISO 10.1 amd64 system; I
>> installed the 10.1 source sets and ran what I believe to be is the
>> standard process for cross-compiling a kernel:
>>
>> cd /usr/src
>> ./build.sh -O /usr/obj-sparc -m sparc tools
>> ./build.sh -O /usr/obj-sparc -m sparc kernel=GENERIC.MP
> 
> this seems right to me.

   Ok, that checks off a few questions at least.

> i dno't have anything useful to say but that what you're doing
> looks right.  i would try GENERIC build, as well as trying the
> GENERIC.MP binary from the 10.1 release.

   I must admit that I didn't know there was a GENERIC.MP kernel in the 
release; I never even looked for it.  It didn't get installed on the 
machine.  I'll have a look.

           -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA