On Tue, May 22, 2007 at 06:28:12PM +0200, Cornelia Huck wrote:
> On Tue, 22 May 2007 10:25:01 +0200,
> Cornelia Huck <[email protected]> wrote:
>
> > I tried this on one of our internal drivers, which is based on FC 3 (or
> > 4, can look this up). With s390 defconfig, it is unable to open the
> > root device /dev/dasda1 (which is unsurprising, considering udev (063)
> > decided to create /dev/dasda(1) as a character node instead of a block
> > node).
>
> Just to be clear, it's fsck that complains:
>
> Checking filesystems
> Checking all file systems.
> [/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a /dev/dasda1
> fsck.ext3: No such device or address while trying to open /dev/dasda1
> Possibly non-existent or swap device?
> [FAILED]
>
> (so that is after udev has been started and obviously dasda1 could be
> accessed)
But /dev/dasda1 isn't present? Or why would fsck be complaining here?
> > When I look at the system, /sys/block/ and /sys/class/block/ look sane
> > at first glance (working on a 3270 console is usally PITA...)
> >
> > Even more surprisingly, the system comes up fine (once I added ptmx to
> > makedev.d/) with CONFIG_SYSFS_DEPRECATED not set. /sys/block/
> > and /sys/class/block/ look just like expected. (Unfortunately, our
> > lsdasd tool breaks with this...)
> >
> > I'll see if I can find out more.
>
> I currently have the inkling that
>
> lrwxrwxrwx 1 root root 0 May 22 15:59 block:dasda1-> ../../../class/block/dasda1
>
> in /sys/block/dasda/ is the culprit.
Why?
> In all other versions I've tried (without CONFIG_SYSFS_DEPRECATED, and
> on an older kernel with and without CONFIG_SYSFS_DEPRECATED), it's
> always dasda1.
That's just a back symlink, the real device should still be there.
Oh, and yes, you will probably have to have CONFIG_SYSFS_DEPRECATED
enabaled to have a chance for these to work on Fedora 4 or 3.
> I can continue investigating tomorrow, unless someone has a good idea :)
I don't, but any information you can find out would be greatly
appreciated, especially as it seems like it is working, but something is
still a little bit wrong.
thanks,
greg k-h
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