Re: [ES40-developers] SCSI support for OpenVMS has arrived
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Re: [ES40-developers] SCSI support for OpenVMS has arrived
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From: Camiel V. <iam...@gm...> - 2008-02-18 13:01:10
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Hello Fausto,
I found that this was caused by the READ DISC INFO command. This
command is required only on CD-R/RW devices, which we're not
emulating, so rather than try to fi it, I removed support for this
command, returning an ILLEGAL REQUEST sense code instead.
I've updated it in CVS as well.
Camiel.
On Feb 18, 2008 1:30 PM, Camiel Vanderhoeven <iam...@gm...> wrote:
> Hi Fausto,
>
> Yes, I did update the code in CVS. I'm trying to boot from the VMS 8.3
> installation cd on the scsi bus, and I see what you mean.
>
> It seems to be looping on a sequence of 4 scsi commands:
>
> INQUIRY
> READ DISK INFO
> INQUIRY
> TEST UNIT READY
>
> I'll see if I can find out what's going on...
>
> Camiel.
>
>
> On Feb 18, 2008 1:22 PM, <fa...@un...> wrote:
> > Hello Camiel,
> >
> > did you update the CVS?
> > I updated the code few mins ago, but now the OpenVMS 8.3 installation
> > seems to loop shortly after the OpenVMS banner.
> >
> > These are the memory addresses: 187868 | ffffffff801aa170
> > 285915 | ffffffff80012208
> >
> > Before the latest update (when I reported the format error), 1 min
> > after the openvms banner, I had "Installing some known required
> > files..." message, but in this case, after about 10 mins, nothing
> > happens.
> >
> > regards,
> >
> > fausto
> >
> > Quoting Camiel Vanderhoeven <iam...@gm...>:
> >
> > > And once again a mail on this subject:
> > >
> > > I think the problem has been solved. The SCSI command READ CAPACITY
> > > returned the number of blocks on disk, where it should return the LBA
> > > address of the last block on disk (which is one less); this caused
> > > initialize to try to write beyond the last block. This has been fixed,
> > > and initialize now works.
> > >
> > > Camiel.
> > >
> > > On Feb 17, 2008 4:49 PM, Camiel Vanderhoeven <iam...@gm...> wrote:
> > >> Hello,
> > >>
> > >> I've made a couple of changes (implemented some missing SCSI
> > >> commands), but now an attempt to initialize (format) a SCSI disk fails
> > >> with
> > >>
> > >> $ init dka500 test
> > >> %INIT-F-MEDOFL, medium is offline
> > >> $
> > >>
> > >> Which is a bit strange, because sho dev shows the device as "online".
> > >> The attempt to format the disk increases the error-count by one.
> > >>
> > >> Camiel.
> > >>
> > >>
> > >>
> > >>
> > >>
> > >> On Feb 16, 2008 8:36 PM, <fa...@un...> wrote:
> > >> > Hello again,
> > >> >
> > >> > maybe too fast to write my previous message :-)
> > >> > The emulator crashed when it started to format the disk with this message:
> > >> >
> > >> > pci0.3(sym53c810).disk0.0(file): Unknown SCSI command 0x03.
> > >> > SCSI Command Failed: ..\Disk.cpp, line 1390
> > >> >
> > >> > Freeing memory in use by system...
> > >> > %VGA-I-SHUTDOWN: vga console has shut down.
> > >> >
> > >> > Maybe there's something still not emulated...
> > >> >
> > >> > fausto
> > >> >
> > >> >
> > >> > Quoting Camiel Vanderhoeven <iam...@gm...>:
> > >> >
> > >> > > Yes, I forgot that, thanks!
> > >> > >
> > >> > > Camiel.
> > >> > >
> > >> > > On Feb 16, 2008 5:42 PM, brian wheeler <bdw...@in...> wrote:
> > >> > >> Oh, and this one too:
> > >> > >>
> > >> > >>
> > >> > >> Index: Configurator.cpp
> > >> > >> ===================================================================
> > >> > >> RCS file: /cvsroot/es40/es40/src/Configurator.cpp,v
> > >> > >> retrieving revision 1.14
> > >> > >> diff -u -r1.14 Configurator.cpp
> > >> > >> --- Configurator.cpp 16 Feb 2008 13:00:15 -0000 1.14
> > >> > >> +++ Configurator.cpp 16 Feb 2008 16:41:55 -0000
> > >> > >> @@ -518,6 +518,7 @@
> > >> > >> {"cirrus", c_cirrus, IS_PCI |
> > >> > >> ON_GUI },
> > >> > >> {"dec21143",c_dec21143, IS_PCI |
> > >> > >> IS_NIC },
> > >> > >> {"sym53c895", c_sym53c895, IS_PCI |
> > >> > >> HAS_DISK },
> > >> > >> + {"sym53c810", c_sym53c810, IS_PCI |
> > >> > >> HAS_DISK },
> > >> > >> {"file", c_file, IS_DISK
> > >> > >> },
> > >> > >> {"device", c_device, IS_DISK
> > >> > >> },
> > >> > >> {"ramdisk", c_ramdisk, IS_DISK
> > >> > >> },
> > >> > >>
> > >> > >>
> > >> > >>
> > >> > >> On Sat, 2008-02-16 at 14:19 +0100, Camiel Vanderhoeven wrote:
> > >> > >> > Hi Again,
> > >> > >> >
> > >> > >> > I haven't been able to get my hands on a KZPCA yet, (some of you had
> > >> > >> > suggestions who to ask, I'm pursuing those leads now) but in the
> > >> > >> > meantime, I took a good look at the KZPAA card I do have. It's a
> > >> > >> > 53C810-based card, which is fairly similar to the 53C895. The good
> > >> > >> > news is that this card does not have any firmware. Due to the
> > >> > >> > similarities with the 53C895 it turned out to be not that
> > >> hard to come
> > >> > >> > up with a working emulation. I just successfully booted
> > >> OpenVMS off an
> > >> > >> > emulated SCSI disk.
> > >> > >> >
> > >> > >> > I've committed the new code to the CVS repository. It will also be in
> > >> > >> > the next release. You'll need to change your config file, replace
> > >> > >> > 53c895 with 53c810, and all scsi-disks should be in the 0.0 - 0.6
> > >> > >> > range (sorry, no wide scsi on this card).
> > >> > >> >
> > >> > >> > Camiel.
> > >> > >> >
> > >> > >> > On Feb 15, 2008 11:54 AM, Camiel Vanderhoeven
> > >> <iam...@gm...> wrote:
> > >> > >> > > Hello everyone,
> > >> > >> > >
> > >> > >> > > First, a piece of good news: Eduardo Marcello Serrat has found the
> > >> > >> > > cause of the bugcheck in the SCSI driver. That means we're getting
> > >> > >> > > closer to working SCSI disks on the emulator running OpenVMS.
> > >> > >> > >
> > >> > >> > > Now the bad news, to complete the emulation of the SCSI
> > >> card, we need
> > >> > >> > > an image of the firmware ROM on a true DEC 3X-KZPCA-AA SCSI
> > >> > >> > > controller.
> > >> > >> > >
> > >> > >> > > If I could get my hands on a real 3X-KZPCA-AA card, I
> > >> could probably
> > >> > >> > > manage to extract the contents of the ROM to create an image.
> > >> > >> > >
> > >> > >> > > If any of you happen to have one of these cards, could you let me
> > >> > >> > > know? They are identifyable by the main chip, which is either "NCR
> > >> > >> > > 53C985", "LSI Logic 53C895" or "Symbios 53C895". There are also
> > >> > >> > > versions of this card that won't work with OpenVMS, so please check
> > >> > >> > > that first. If you have this card, it would be very useful if you
> > >> > >> > > could create an image of the PCI option ROM, or if you'd
> > >> be willing to
> > >> > >> > > part with the card (for a while) so I can extract the image.
> > >> > >> > >
> > >> > >> > > Thanks,
> > >> > >> > >
> > >> > >> > > Camiel.
> > >> > >> > >
> > >> > >> > > P.S. Apologies to those who receive this e-mail twice, but I found
> > >> > >> > > this important enough to send to both the developers and the
> > >> > >> > > announcements list.
> > >> > >> > >
> > >> > >> >
> > >> > >> >
> > >> -------------------------------------------------------------------------
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> > >> > >>
> > >> > >>
> > >> > >>
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> > >> >
> > >> >
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