From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt To: Gabriel Paubert , Subject: Re: 2.4.0-test3 Date: Tue, 11 Jul 2000 17:57:56 +0200 Message-Id: <20000711155756.6478@mailhost.mipsys.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: >In this case, are we sure that the 601 problems are introduced by this >change ? Historically, there have been other 601 related problems, like >code touching HID0 without checking processor version or so. > >Another possibility is an ordering problem, it seems that the code >reloads all the BATs from the BAT array setup by mm/init.c. Is it possible >that the crash happens this late and do you still need BAT3 after this ? > >Maybe the fix will be as simple as writing 0 to the IBATL in LOAD_BAT so >that we are sure that the BAT is disabled before being reloaded, or call >again clear_bats before the series of LOAD_BATs. Well, Andreas re-did the tests with my latest fix (which was to remove the bogus PAGE_GUARDED in the 601 case) and with the mftb 601 fixes and his kernel now works. Ben. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/