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DateTue, 9 Dec 2003 02:13:03 -0500
From"Murray J. Root" <>
SubjectRe: State of devfs in 2.6?
On Tue, Dec 09, 2003 at 08:02:19AM +0100, Andreas Jellinghaus wrote:
> On Tue, 2003-12-09 at 00:34, Greg KH wrote:
> > You have 15 floppy devices connected to your box?  All floppy devices
> > should show up in /sys/block.
> 
> No, 16 devices are normal, sysfs has only one:
> aj@simulacron:~/torrent/j-tv/download$ ls /dev/floppy/
> 0       0u1120  0u1600  0u1722  0u1760  0u1920  0u720  0u820
> 0u1040  0u1440  0u1680  0u1743  0u1840  0u360   0u800  0u830
> aj@simulacron:~/torrent/j-tv/download$ find /sys/block/fd* -name dev
> /sys/block/fd0/dev
> 
> Are those floppy devices obsolete? fdformat was the only app to use
> them anyway, I guess. (Not that I use my floppy, I simply noticed
> the change.)
> 
> > > I wouldn't call udev deprecated, unless a newer kernel has the
> > > essential devices, too.
> > 
> > You mean s/udev/devfs/ right?  :)
> 
> oops, sorry.
> 
> > > and
> > > re-introducing makedev for devices not represented
> > > in sysfs doesn't sound very nice either. So 2.8.* might be a nice time
> > > frame for dropping devfs, or at least give sysfs and udev a few months
> > > to catch up on the issues mentioned.
> > 
> > Regardless of the state of udev, devfs has insolvable problems and you
> > should not use it.  End of story.
> 
> how many bug reports did you see in the last three months of people
> having problems with devfs? I don't doubt the problems in theory, but
> but I simply haven't seen them happening. Most users seem quite happy.
> 

Actually, I think most users who have problems just disable devfs. Most of
the people I know have done that. No point in making bug reports about
something that is unmaintained and deprecated.

-- 
Murray J. Root

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