New testing kernel. 2.6.10-1.727_FC3

Alan Cox alan at redhat.com
Fri Jan 7 22:38:10 UTC 2005


On Fri, Jan 07, 2005 at 04:41:34PM -0500, David Zeuthen wrote:
> > 	- the burn v haldaemon stuff has to be userspace I think
> 
> I'm really surprised that hald can disrupt burning - when hald polls 
> the drive it uses O_EXCL and so does cdrecord (if it doesn't it's a
> packaging bug).

I was too except for the dual CD-ROM case which is understandable but this
shows up in the uni case. Still a mystery - might not even be HAL in the
end

> we indeed get the slowdown. Hence, the kernel does something when the
> last
> closer closes the device - dunno what to do here from userspace short of
> just not poll.

We unlock the door, that makes the drive power management kick in. If
we leave the door locked you can't take a CD out 8)

>  https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=144036
> 
> which I completely fail to understand. Long term it looks like hald
> should be
> using MMC commands to detect media if available - any idea of where I
> can find
> documentation/code for this?

The standard. You'll want a magic circle, some runes, a wand, a pointy
hat and a heart of steel. I don't know of anything else that covers it.




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