At Tue, 27 May 2025 01:17:19 +0200, Manuel Bouyer <bou...@antioche.eu.org> wrote: Subject: Re: Xen dom0 serial console is xencons(4) > > On Mon, May 26, 2025 at 02:44:30PM -0700, Greg A. Woods wrote: > > At Sat, 24 May 2025 13:38:22 +0200, Manuel Bouyer <bou...@antioche.eu.org> > > wrote: > > Subject: Re: Xen 4.18.5_20250521nb0 not ELF binary (Was: Re: EFI and Xen) > > > > > > BTW, as you're using a serial console you probably want > > > console=com0 > > > for NetBSD > > > > One never wants NetBSD/Xen dom0 kernel to directly try to use the serial > > hardware device as its console. > > > > Xen normally "owns" the serial hardware device after it boots, and it > > connects it bidirectionally to the dom0's xencons(4) device [note there > > is no such manual page in NetBSD yet]. > > Note that for NetBSD/Xen, com0 and xencons are equivalent. In fact, anything > that is not "pc" or "tty0" will use xencons. See xen/x86/consinit.c
But then there's no point in ever mentioning anything but "console=pc",
is there? Suggesting "console=com0" can only lead to confusion --
especially if someone tries to figure out why there's no appearance of
"com0" in dmesg afterwards.
--
Greg A. Woods <gwo...@acm.org>
Kelowna, BC +1 250 762-7675 RoboHack <wo...@robohack.ca>
Planix, Inc. <wo...@planix.com> Avoncote Farms <wo...@avoncote.ca>
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