On Thu, Feb 3, 2011 at 8:37 PM, Thor Lancelot Simon <[email protected]> wrote: > On Thu, Feb 03, 2011 at 01:14:37PM +0000, David Laight wrote: >> > >> > But this is potentially very dangerous, in combination with >> > COMPAT_386BSD_MBRPART, because FreeBSD considers labels to be per-"slice" >> > (per fdisk-partition) and uses the 0x165 partition type. So if we are not >> > very careful, we can hopelessly wreck FreeBSD installations in other >> > MBR partitions. >> >> I'm not advocating (above) writing the NetBSD format label to a >> type 165 mbr partition.
... > When I tried to upgrade the FreeBSD systems to the head of the RELENG_8 > branch, they wouldn't boot, because FreeBSD no longer trusts filesystem > parameters over label geometry. That was when I booted the old FreeBSD > kernel and discovered that the NetBSD installer had scribbled all over > the FreeBSD disklabel. This is unrecoverable under FreeBSD because FreeBSD > will not let you shrink a mounted partition, but FreeBSD install discs > don't have general-purpose tools for fixing this sort of thing. Very ugly. <offtopic> Not official media (yet), but there's an unofficial version coming out in the next year or so that's in alpha/beta: http://wiki.freebsd.org/BSDInstall from nwhitehorn@ . <offtopic> HTH, -Garrett
