[inline] Sent from my iPhone
> On Aug 31, 2016, at 03:30, Johnny Billquist <[email protected]> wrote: > > Hi. > >> On 2016-08-31 04:43, Cory Smelosky wrote: >> 4.5 exhibits the same "now it's suddenly in DEQNA" mode behaviour. > > Well, then I retract my guess. By 4.5 I would expect the code to handle a > DELQA natively. Ragge also posted the source code for 4.5, which clearly > states that it should handle the DELQA... Yeah - I'm very confused by that! > >> (it also panic()s every first boot after first starting the emulator) > > Huh. That really do sound like a bug. Since it don't happen on real hardware > I would guess a simh issue. What kind of VAX are you emulating, by the way? > The 3900? Yup - 3900. It didn't occur to me until now it might not be coincidence it panics with a segfault right after probing the network card...I wasn't noticing any network issues until now though I guess. > > Johnny > >> >>> On Tue, Aug 30, 2016, at 08:04, Clem Cole wrote: >>> >>>> On Tue, Aug 30, 2016 at 6:38 AM, Johnny Billquist <[email protected]> wrote: >>>> Not sure there are any bugs here. Ultrix might just change it to run in >>>> DEQNA mode. Maybe because it didnät have a driver for running it in DELQA >>>> mode in 4.0? Just guessing here, but it don't look to me as if there >>>> actually is a bug anywhere. >>> >>> I've long since forgotten the details. The 4.5 SPD says it should work >>> (modulo firmware - which I suspect simh is assuming that). Johnny is >>> probably right. >>> >>> >>> Cory: Is there a reason you are running 4.0 not not something later than >>> 4.4. There a ton of bugs fixed in the 4.3/4.4 development. The Vax has >>> sort of been forgotten by the Ultrix/Tru64 teams in favor of the PMAX and >>> the Alpha; thus entropy had set in on the Vax code. Even though 4.3 was >>> not an officially bug release, it had more bug fixes in that any previous >>> one, because a number of just got sick of dealing with it and there was a >>> 3-4 week development hiatus where we just cleaned up things. IIRC this was >>> particularly true for the networking stack, because we were heaving >>> pathworks development then and the Pathworks stack kept turning up small >>> boundary conditions in the Unix side. >>> >>> Anyway -- if you are going to run Ultrix, I highly recommend 4.5 - which >>> was really the most stable of the all the Ultrix releases. For instance, >>> the SCSI stack is (finally) common with Tru64, as we back ported Fred's >>> Alpha stack to the Vax and PMAX. As a result it will cover a lot more >>> devices. I seem to remember we did some similar things in the Network >>> code too, but again I've forgotten (I was worrying about TruClusters at >>> that time but would occasionally consult to the Ultrix folks). >>> _________________________________________________ >>> Simh mailing list >>> [email protected] >>> http://mailman.trailing-edge.com/mailman/listinfo/simh >>> Email had 1 attachment: >> >> >>> * ultrix4.5_spd.pdf >>> 297k (application/pdf) >> >> -- >> Cory Smelosky >> [email protected] >> _______________________________________________ >> Simh mailing list >> [email protected] >> http://mailman.trailing-edge.com/mailman/listinfo/simh >> > _______________________________________________ > Simh mailing list > [email protected] > http://mailman.trailing-edge.com/mailman/listinfo/simh
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