Fixed on the tree. Also the diff is attached. On Mon, 14 Sep 2015 22:43:17 +0200 Henrik Friedrichsen <hen...@diff.cc> wrote: >>Synopsis: Panic on setroot() with latest snapshot + UEFI >>Category: amd64 >>Environment: > System : OpenBSD 5.8 > Details : OpenBSD 5.8-current (GENERIC.MP) #1367: Sat Sep 12 > 14:59:55 MDT 2015 > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > Architecture: OpenBSD.amd64 > Machine : amd64 >>Description: > Machine is a Thinkpad X220i. > > I just updated to the snapshot from today (14th September), previously > I was running a snapshot from the 12th of September, which did not > exhibit this behaviour. > > I use the new UEFI bootloader. The drivers initialize, but the kernel > panics when trying to find/set the root device. > The only thing I have changed was upgrading to todays snapshot. > > DDB trace: http://i.imgur.com/IZfPf5y.jpg > > With the old/backed up kernel I can boot the system just fine. > > Something else: When I boot using UEFI, inteldrm does not attach > and I can not use Xorg/KMS with the Intel driver. Is this because > UEFI is still new or is this meant to work?
You can use wsfb for X, but it still doesn't work with KMS. See http://blog.jasper.la/openbsd-uefi-bootloader-howto/ to use wsfb for X. Thank you for your report. >>How-To-Repeat: > Boot with UEFI using the latest snapshot. >>Fix: > <how to correct or work around the problem, if known (multiple lines)> > (snip) Index: sys/kern/subr_disk.c =================================================================== RCS file: /cvs/src/sys/kern/subr_disk.c,v retrieving revision 1.216 diff -u -p -r1.216 subr_disk.c --- sys/kern/subr_disk.c 13 Sep 2015 14:38:17 -0000 1.216 +++ sys/kern/subr_disk.c 15 Sep 2015 01:12:00 -0000 @@ -384,7 +384,7 @@ readdoslabel(struct buf *bp, void (*stra error = spoofgptlabel(bp, strat, gptlp); if (error == 0) { dospartoff = DL_GETBSTART(gptlp); - dospartoff = DL_GETBEND(gptlp); + dospartend = DL_GETBEND(gptlp); if (partoffp) { if (dospartoff == 0) return (ENXIO);
