Date: Sat, 15 Sep 2012 14:49:41 -0400 (EDT) From: Benjamin Kaduk <kaduk@MIT.EDU> To: "Julian H. Stacey" <jhs@berklix.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Why fdisk can't open root disk with MBR for writing? Message-ID: <alpine.GSO.1.10.1209151448200.861@multics.mit.edu> In-Reply-To: <201209151322.q8FDMobF058992@fire.js.berklix.net> References: <201209151322.q8FDMobF058992@fire.js.berklix.net>
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On Sat, 15 Sep 2012, Julian H. Stacey wrote: > I have been applying this diff to my man fdisk: > > http://berklix.com/~jhs/src/bsd/fixes/FreeBSD/src/gen/sbin/fdisk/ > > *** 8.0-RELEASE/src/sbin/fdisk/fdisk.8 Sat Mar 14 22:32:16 2009 > --- new-generic/src/sbin/fdisk/fdisk.8 Sat Mar 14 22:35:10 2009 > *************** > *** 462,464 **** > --- 462,468 ---- > The > .Xr bsdlabel 8 > command must be used for this. > + .Pp > + When running multi user, you cannot write unless you first run this: > + .br > + sysctl kern.geom.debugflags=16 > > I never submitted it as a send-pr, > anyone think I should submit it to help save people ? We have had a long discussion about kern.geom.debugflags starting here: http://lists.freebsd.org/pipermail/freebsd-current/2011-October/028090.html My understanding from that discussion is that your patch should not be accepted. -Ben Kaduk
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