On Sun, Mar 05, 2023 at 10:56:31PM +0100, Michael van Elst wrote: > On Mon, Mar 06, 2023 at 07:44:20AM +1030, Brett Lymn wrote: > > On Sun, Mar 05, 2023 at 03:01:02PM -0000, Michael van Elst wrote: > > > > > > - if (guid != NULL && len == 16) > > > + if (guid == NULL || len == 16) > > > + > > > > Shouldn't that be "len != 16"? > > Yes, and another error. The wedge device is 'dv' not 'dev'. > > Here is a patch that works for me:
The first hunk was another local change. Please ignore. Here is without: Index: sys/arch/evbarm/fdt/fdt_machdep.c =================================================================== RCS file: /cvsroot/src/sys/arch/evbarm/fdt/fdt_machdep.c,v retrieving revision 1.100 diff -p -u -r1.100 fdt_machdep.c --- sys/arch/evbarm/fdt/fdt_machdep.c 5 Feb 2023 22:42:39 -0000 1.100 +++ sys/arch/evbarm/fdt/fdt_machdep.c 5 Mar 2023 21:59:49 -0000 @@ -743,9 +743,6 @@ fdt_detect_root_device(device_t dev) { int error, len; - if (booted_device) - return; - const int chosen = OF_finddevice("/chosen"); if (chosen < 0) return; @@ -801,8 +798,15 @@ fdt_detect_root_device(device_t dev) const struct uuid *guid = fdtbus_get_prop(chosen, "netbsd,gpt-guid", &len); - if (guid != NULL && len == 16) - booted_device = dev; + if (guid == NULL || len != 16) + return; + + char guidstr[UUID_STR_LEN]; + uuid_snprintf(guidstr, sizeof(guidstr), guid); + + device_t dv = dkwedge_find_by_wname(guidstr); + if (dv != NULL) + booted_device = dv; return; } @@ -895,8 +899,7 @@ fdt_cpu_rootconf(void) if (device_class(dev) != DV_DISK) continue; - if (device_is_a(dev, "ld") || device_is_a(dev, "sd") || device_is_a(dev, "wd")) - fdt_detect_root_device(dev); + fdt_detect_root_device(dev); if (booted_device != NULL) break;