Thank you so much for this information! I will read through your links, as well as the other replies, and will give this another try later today. I will take pictures of everything, so that if I experience problems again I can give the exact errors.
Jeff -- Secured with Tuta Mail: https://tuta.com/free-email Sep 25, 2026, 21:20 by [email protected]: > On Fri Sep 25, 2026 at 7:06 PM MDT, Jeff wrote: > >> Hi, folks, >> >> I wish to install NetBSD into the unused space (or I can pre-format >> it, if that would help) on a drive which already has a UEFI partition >> and a partition on which Gentoo is installed, and I want to keep Gentoo >> intact. I cannot find any instructions or tutorials regarding installing >> on a disk that has another OS on it... >> > > I did this. I created 2 new GPT partitions, swap and /, which were > respectively 4GB and however much space was left after that, and they > worked fine with the installer. If I recall correctly, the installer > will install NetBSD into the ESP at ESP:/NetBSD/, but I installed rEFInd > to triple boot with the existing Windows 10 and Linux Mint partitions. I > did have trouble with booting NetBSD because my boot.cfg (which should > be at ESP:/NetBSD/) was improperly formatted, and I described my > configuration at the time here: > <https://mail-index.netbsd.org/netbsd-users/2026/08/02/msg034580.html> > and figured it out here: > <https://mail-index.netbsd.org/netbsd-users/2026/08/06/msg034603.html> > >> ....and all of my attempts have failed when I get to the point of >> accepting the disk layout. It quickly fails with a complaint about not >> being able to access /dev/dk* (and I'm trying to install on nvme). >> > > I didn't encounter this problem. It makes sense that dk(4) would be > having those issues because the system uses (or at least did for me, > using a SATA hard drive) /dev/dk* nodes for GPT partitions. In the > previous hyperlinked e-mail thread RVP does a great job of briefly > explaining how this works. > > Someone else might be able to intuit what you are missing from this > information alone but I wonder if you could provide a more detailed > recollection of the dk(4) complaint. > >> Is there a tutorial or FAQ somewhere that I'm not finding, or does >> anyone have any tips for how I might proceed? >> > > <https://bentsukun.ch/posts/netbsd-wedge-boot/> was a great resource for > me for understanding NetBSD and UEFI, but going so far as in-kernel boot > configuration was unnecessary in my case. > > Sorry I can't help with your problem. I hope this helps once you make it > past this initial hurdle. Happy hacking. > > <3 :3 -3 >
