Okay, I was hoping to see a bit of list traffic before sending, but,
for whatever reason, I'm not seeing anything. I hope it's not some
kind of filtering spazz - though I did get the list welcome mail, so
that seems unlikely.
Teal deer: I'm getting the message in the Subject:, but can't figure
out where to get an appropriate ems.sys.
In more detail....
I'm trying to use dosemu on Linux (kernel 3.13.0-48-generic, on
x86_64). The binary distribution had some X issues - but I know a bit
about X, so I cloned the git tree and started to fix them. I think I
have succeeded in fixing the immediate problem there, but now I'm
having other trouble.
The binary distribution claims to be 1.4.0.1 (in that when I run
dosemu.bin --version, the first line printed is "dosemu-1.4.0.1"); as a
disambiguator, dosemu.bin's MD5 hash is
60bf29180c9270018f6ba8f246e57a41. But when I base my stuff on commit
77c5e739bf5f128802ef55763909568008eac6f0 ("Tagging 1.4.0.1", the only
child of commit 74b00d8d5b46d20ce384ab64544ea41a389afe70, "DOSEMU
1.4.0.1"), all I ever get is segfaults on startup after a complaint
about how LOWMEM mmap is failing. The binary distribution's dosemu.bin
does print
EXPERIMENTAL: using non-zero memory base address 0x110000.
and strace leads me to think this is relevant (in that it's printed
immediately after the same mmaps fail, but then two more mmaps are done
with addr=0x110000). However, I can't find that anywhere in the
1.4.0.1 tree.
So I moved my work over to the apparent development tip, basing it at
commit 18f6f5cdf1beceae8c7532718bfaf423e4a44f6a instead. It still
crashed, but now I could find hints in the source that turning on
EXPERIMENTAL would help. It did; I then got something that would start
(and, yes, the X issue was fixed) and complain about missing DOS. So I
fetched dosemu-freedos-1.0-bin, through the chain of redirections (the
first one coming from either http://www.dosemu.org/stable/ or
http://www.dosemu.org/bleeding/):
http://prdownloads.sourceforge.net/dosemu/dosemu-freedos-1.0-bin.tgz?download
http://downloads.sourceforge.net/project/dosemu/dosemu-freedos/1.0/dosemu-freedos-1.0-bin.tgz?download=
http://superb-sea2.dl.sourceforge.net/project/dosemu/dosemu-freedos/1.0/dosemu-freedos-1.0-bin.tgz
which last finally gave me the gzipped tarball. I did a make install
with this in place as dosemu-freedos-bin.tgz and then it was willing to
start, but told me
| DOSEMU 1.4.0.8-762-g400b188 (2016-08-30), configured: 2016-08-30 12:32:33 -0400
| Please test against a recent version before reporting bugs and problems.
| Submit Bugs & Patches to linux-msdos@xxxxxxxxxxxxxxx or via http://dosemu.org.
| FreeDOS kernel build 2036 cvs [version Aug 18 2006 compiled Aug 18 2006]
| Kernel compatibility 7.10 - WATCOMC - 80386 CPU required - FAT32 support
|
| (C) Copyright 1995-2006 Pasquale J. Villani and The FreeDOS Project.
| All Rights Reserved. This is free software and comes with ABSOLUTELY NO
| WARRANTY; you can redistribute it and/or modify it under the terms of the
| GNU General Public License as published by the Free Software Foundation;
| either version 2, or (at your option) any later version.
| C: HD1, Pri[ 1], CHS= 0-1-1, start= 0 MB, size= 2000 MB
| D: HD2, Pri[ 1], CHS= 0-1-1, start= 0 MB, size= 2000 MB
|
| EMS driver version mismatch, disabling.
| Please update your ems.sys from the latest dosemu package.
|
| Press any key!
and I've been unable to find an ems.sys that works any better,
including the one generated from ems.S during the build.
It's true I have local patches, but nothing I expect to be relevant. I
have made my git tree available for cloning in case anyone wants to
inspect what I have; git://git.rodents-montreal.org/Mouse/dosemu is the
thing to clone, and the local branch there is the one to look at.
(local-1.4.0.1 preserves a record of the work I did based on 1.4.0.1,
in case anyone is interested in that.) Some of the changes are pure
localisms (eg, my choice of install directory), but most aren't.
I'm not sure whether the problem here is with dosemu, with something I
did, with my expectations, or what. Any pointers would be most
appreciated.
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