[CDBUG-talk] OpenBSD vs. Grub

Brian Callahan bcallah at devio.us
Wed Nov 12 14:15:29 EST 2014

Ignore me if you've already tried this but IIRC you have to do something 
like this:
set root=(hd0,4,a)
chainloader +1

On 11/12/14 14:00, Steve Moon wrote:
> So I've got a dual-boot Linux/Windows laptop, with a spare 80GB partition.
> I figured I'd fire up my spiffy new OpenBSD CD set and install it 
> there, which appeared to go great.
> Grub is the bootloader. The OpenBSD partition is set to active, type 
> A6, and I let the OpenBSD installer divvy it up automatically.
> In grub I edited the /etc/grub.d/40* file and added an entry for 
> OpenBSD, run update-grub, and rebooted.
> As expected I got my nifty new OpenBSD boot option, but when I pick it 
> I get a "file not found" error from grub. I have done extensive 
> googling and manpage spelunking to no effect. I've tried a number of 
> variations on how I specify the partition (disk 0, partition 4).
> I then tried to use uuid instead of disk/partition numbering, but 
> running blkid yields a list of partitions counting all of the openbsd 
> ones -- so instead of just seeing the 4 physical partitions I see 
> something like 12, and no uuid for the openbsd partition. Specifying a 
> higher-than-4 partition number just results in grub complaining about 
> not finding the partition.
> I don't want to get too agressive since I occasionally need to use 
> Windows and my Linux setup has a lot of customizations I was hoping to 
> imitate in OpenBSD.
> Any ideas? I'm wondering if it is a 1st 1024 cylinder thing, since I'm 
> in the last 80GB of a 256GB SSD drive. But it seems like I'd then get 
> an openbsd error rather than a grub error.
> The linux is Mint 14, grub is v2.0000xxxx, and yes I know grub v1 
> numbers partitions from 0 while grub v2 numbers from 1 (seems like 
> they could have either figured that out to begin with, or just left it 
> the same...
> Thanks-
> Steve-
> _______________________________________________
> CDBUG-talk mailing list
> CDBUG-talk at lists.nycbug.org
> http://lists.nycbug.org/mailman/listinfo/cdbug-talk

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