Re: gpt is not working on -current

[jakllsch%kollasch.net@localhost]

On Sun, Aug 02, 2009 at 01:18:09PM -0700, John Nemeth wrote:
> On Dec 23,  4:18pm, "S.P.Zeidler" wrote:
> } Thus wrote John Nemeth (jnemeth%victoria.tc.ca@localhost):
> } > On Dec 23,  3:27pm, "S.P.Zeidler" wrote:
> } > } 
> } > } I have:
> } > } sd0: GPT GUID: 3f818534-7f4e-11de-9ff5-00016ccbbc94
> } > } dk0 at sd0: 3f818552-7f4e-11de-9ff5-00016ccbbc94
> } > } dk0: 7815101 blocks at 34, type: ffs
> } > } 
> } > } tucana# gpt show sd0
> } > } gpt: unable to open device 'rsd0d': Invalid argument
> } > 
> } >      What does 'drvctl -p sd0' show?
> } 
> } tucana# drvctl -p sd0
> } Properties for device `sd0':
> } <?xml version="1.0" encoding="UTF-8"?>
> } <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"
> } "http://www.apple.com/DTDs/PropertyList-1.0.dtd";>
> } <plist version="1.0">
> } <dict>
> }         <key>device-driver</key>
> }             <string>sd</string>
> }             <key>device-unit</key>
> }             <integer>0x0</integer>
> } </dict>
> } </plist>
> 
>      Yuck!  Somebody broke the setup of the drive properties.  I'll
> look at fixing it in a little while.  But, if I recall the
> circumstances, you'll need to cause sd0 to be opened somehow (i.e.
> dd if=/dev/rsd0d of=/dev/null count=1), then you should be able to use
> gpt.
> 
> }-- End of excerpt from "S.P.Zeidler"

That may have been me in sd.c 1.288. Someone else poked me directly
about it too.   I'd like to just do away with gpt(8)'s drvctl(4)
dependency and use DIOCGDISKINFO instead.  I actually have a patch
worked up already.  Probably better discussed on tech-userlevel.

        Jonathan Kollasch