re: port-macppc/44895: ofwboot.xcf from current cannot boot system

[matthew green <mrg%eterna.com.au@localhost>]

The following reply was made to PR port-macppc/44895; it has been noted by GNATS.

From: matthew green <mrg%eterna.com.au@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: uwe%netbsd.org@localhost, port-macppc-maintainer%netbsd.org@localhost,
    gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
    jmmv+mini.jmmv%julipedia.org@localhost
Subject: re: port-macppc/44895: ofwboot.xcf from current cannot boot system
Date: Wed, 20 Sep 2017 06:32:39 +1000

 >  I'm not sure if this is the same issue but booting the 7.1 netbsd.macpp=
 c from
 >  the provided disk image does not work on my PowerBook G4 (2005).
 >  =
 
 >  When I run
 >  =
 
 >  boot cd:,\ofwboot.xcf netbsd.macppc
 >  =
 
 >  loading the xcf seems to work fine, but then I get
 >  =
 
 >  5926884+130584=3D0x5c71fc
 >   start=3D0x100000
 >  =
 
 >  Decrementer exception at   %SRR0: 004d51e0   %SRR1:00003030
 >   ok
 >  =
 
 >  Now, I found someone on the internet who seemed to have had a similar p=
 roblem in
 >  2008, booting FreeBSD (markmail.org/message/nmzthacf33qdfd7b) where som=
 ebody
 >  else suggested setting the decrementer register using `1 1f lshift not =
 dec!` as
 >  a workaround (I'm not really that familiar with OpenFirmware). After re=
 booting
 >  and trying that out the new failure message reads:
 >  =
 
 >  5926884+130584=3D0x5c71fc
 >   start=3D0x100000
 >  =
 
 >  Invalid memory access at   %SRR0: 004d51e0   %SRR1:00003030
 >   ok
 
 this looks like PR 22316 to me:
 
    http://gnats.netbsd.org/22316
 
 
 .mrg.