Re: NFS-mounted, read-only /dev unusable in 2.6

[Neil Brown]

On Wednesday August 4, miquels@xxxxxxxxxx wrote:
> 
> On 2004.08.04 08:34, Frank Steiner wrote:
> > Miquel van Smoorenburg wrote:
> > 
> > > If having /dev mounted read-only means you cannot open devices
> > > like /dev/console read/write then that is a bug in the NFS client
> > > in the kernel.
> > 
> > Which matches the fact the it works with server running 2.6 and
> > client running 2.4.
> > 
> > > 
> > > On all other filesystems (ext2, ext3, xfs etc) there's no problem
> > > opening devices r/w on a read-only filesystem.
> > 
> > Should I report that as bug to someone special?
> 
> Assuming you have a way to reproduce this, to the NFS client
> maintainer - see the file MAINTAINERS in the kernel source.
> 
> But I just tried to reproduce this on 2.6.7-rc2 (it's what my
> workstation happens to be running) and I can't. I can mount an
> nfs-exported /dev from both 2.4 and 2.6 servers read-only and
> I can open devices on that read-only mount just fine.

Yes, it was a bug in the NFS server in 2.6 that was fixed fairly
recently.

NeilBrown
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