Re: ybin on powerpc

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(cc's added)

On Sun, 20 Aug 2006 07:57:24 +1000
Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote:

> On Sat, 2006-08-19 at 11:19 -0700, Andrew Morton wrote:
> > I notice that 2.6.18-rc4-mm1 and 2.6.18-rc4-mm2-candidate do this:
> > 
> > g5:/home/akpm> 0 ybin
> > ofpath: /dev/sdb: Device not configured
> > ybin: Unable to find OpenFirmware path for boot=/dev/sdb2
> > ybin: Please add ofboot=<path> where <path> is the OpenFirmware path to /dev/sdb2 to /etc/yaboot.conf
> > ofpath: /dev/sdb: Device not configured
> > ybin: Unable to determine OpenFirmware path for macosx=/dev/sdb3
> > ybin: Try specifying the real OpenFirmware path for macosx=/dev/sdb3 in /etc/yaboot.conf
> 
> Did the layout of scsi stuff in either /proc or sysfs change ?

Bisection shows that this brokenness is introduced by git-scsi-misc.patch.

Someone has gone in and made some ill-advised "improvements" to
/proc/scsi/scsi.  The switch from "Direct-Access" to "Direct access" broke
ofpath.  I fixed that (in ofpath) but it remains broken for other reasons.

James, this is a non-compatible change to the kernel->userspace interface.  Please
drop it like a hot potato.

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