Re: Tracing NetBSD sun4v issues

[Sad Clouds <cryintothebluesky%gmail.com@localhost>]

On Wed, 14 Oct 2026 19:42:39 +0000 (UTC)
Palle Lyckegaard <palle%netbsd.org@localhost> wrote:

> I fixed an issue with spilling register window contents about a year ago 
> (locore.s rev. 1.438).
> This fix is not present in the NetBSD-11 branch and other fixes may be 
> missing as well.
> So tracking the NetBSD main branch is the way to go I think.

As of now there seem to be issues in the -current kernel when using it
within a guest LDOM.

Loading netbsd: 13955440+516584+330992 [807552+524069]=0x13149b0
[   1.0000000] sun4v_interrupt_init: failed to set major to 3
[   1.0000000] sun4v_interrupt_init: hv interrupt api major set to 0

...

[   1.0000000] cbus0 at vbus0
[   1.0000000] vdsk0 at cbus0 chan 0x0: ivec 0x0, 0x1panic: sun4v_intr_setenabled(200, 0) failed - err = 6

[   1.0000000] cpu0: Begin traceback...
[   1.0000000] cpu0: End traceback...
Stopped in pid 0.0 (system) at  netbsd:cpu_Debugger+0x4:        nop
db{0}>