Need Help - Dosemu Not Working For Ubuntu 32-bit

Need Help - Dosemu Not Working For Ubuntu 32-bit

[Frederic Herman]

As I reported to the list quite a while ago, I had to run an accounting 
package in a 32 bit machine because I could not get it to work in a 64 
bit, both running fedora linux, and both on AMD hardware.

I have migrated the 32 bit machine to ubuntu 12.04 (precise) and 
installed the standard dosemu package.  I now have the same error crash 
when I try to start the accounting program:


Invalid Opcode at 99E3 1f9c 3216 181300DF 1813 7*0000

and the boot log:

Illegal op ff ff ff

cpu exception 0x06 err 0x00000000 cr2=00017e6d eip=000093e3

Sigkill while in vm86():1f9c:99e3

Note that the above is identical to errors that I get running on a 64 
bit ubuntu machine.


I could post the entire boot log file if that would help.  I really need 
to get the accounting software to run under the ubuntu installation.

If there is a configuration tweak that I need to do, it's not obvious to 
me.  I could try the hundreds of variations in the configuration file, 
but I would just be shooting in the dark.

I could also send the accounting software files if someone wants to try 
play with it, but I am not going to post it to the discussion list.

Thanks to anyone who can help me with this.

Fred

Re: Need Help - Dosemu Not Working For Ubuntu 32-bit

[Stas Sergeev]

26.07.2013 06:07, Frederic Herman пишет:
> As I reported to the list quite a while ago, I had to run an
> accounting package in a 32 bit machine because I could not get it to
> work in a 64 bit, both running fedora linux, and both on AMD hardware.
>
> I have migrated the 32 bit machine to ubuntu 12.04 (precise) and
> installed the standard dosemu package. I now have the same error crash
> when I try to start the accounting program:
>
>
> Invalid Opcode at 99E3 1f9c 3216 181300DF 1813 7*0000
>
> and the boot log:
>
> Illegal op ff ff ff
>
> cpu exception 0x06 err 0x00000000 cr2=00017e6d eip=000093e3
>
> Sigkill while in vm86():1f9c:99e3
>
> Note that the above is identical to errors that I get running on a 64
> bit ubuntu machine.
>
>
> I could post the entire boot log file if that would help. I really
> need to get the accounting software to run under the ubuntu installation.
>
> If there is a configuration tweak that I need to do, it's not obvious
> to me. I could try the hundreds of variations in the configuration
> file, but I would just be shooting in the dark.
>
> I could also send the accounting software files if someone wants to
> try play with it, but I am not going to post it to the discussion list.
Don't post them to discussion list, use BTS instead,
http://sourceforge.net/p/dosemu/bugs/

Don't re-type the logs by hands, bzip them and attach to
the ticket. There are howtos somewhere about reporting
bugs to BTS, try your best to follow them carefully.
The first thing the howto will tell you is to try the latest
development code and see if the problem is still there.
In case of dosemu, that would be a "devel" branch of the git.
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Re: Need Help - Dosemu Not Working For Ubuntu 32-bit

[Ivan Baldo]

     Hello.

     Try running this as root before running DOSEmu:
echo 0 >/proc/sys/vm/mmap_min_addr

     Sometimes the 32 bit CPU emulator fails and that command above 
allows DOSEmu to use the CPU directly when in a 32 bit Linux environment.

     Another thing to try is to install the Debian package:
http://packages.debian.org/sid/dosemu

     If you fix the problem, then it may be useful for others that you 
tell us how you fixed it.

     Thanks!!!

P.s.: happy systems administrators day!!!




El 25/07/13 23:07, Frederic Herman escribió:
> As I reported to the list quite a while ago, I had to run an 
> accounting package in a 32 bit machine because I could not get it to 
> work in a 64 bit, both running fedora linux, and both on AMD hardware.
>
> I have migrated the 32 bit machine to ubuntu 12.04 (precise) and 
> installed the standard dosemu package.  I now have the same error 
> crash when I try to start the accounting program:
>
>
> Invalid Opcode at 99E3 1f9c 3216 181300DF 1813 7*0000
>
> and the boot log:
>
> Illegal op ff ff ff
>
> cpu exception 0x06 err 0x00000000 cr2=00017e6d eip=000093e3
>
> Sigkill while in vm86():1f9c:99e3
>
> Note that the above is identical to errors that I get running on a 64 
> bit ubuntu machine.
>
>
> I could post the entire boot log file if that would help.  I really 
> need to get the accounting software to run under the ubuntu installation.
>
> If there is a configuration tweak that I need to do, it's not obvious 
> to me.  I could try the hundreds of variations in the configuration 
> file, but I would just be shooting in the dark.
>
> I could also send the accounting software files if someone wants to 
> try play with it, but I am not going to post it to the discussion list.
>
> Thanks to anyone who can help me with this.
>
> Fred
> -- 
> To unsubscribe from this list: send the line "unsubscribe linux-msdos" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

-- 
Ivan Baldo - ibaldo@adinet.com.uy - http://ibaldo.codigolibre.net/
 From Montevideo, Uruguay, at the south of South America.
Freelance programmer and GNU/Linux system administrator, hire me!
Alternatives: ibaldo@codigolibre.net - http://go.to/ibaldo

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Re: Need Help - Dosemu Not Working For Ubuntu 32-bit

[Frederic Herman]

The echo command didn't fix it.

I installed the package you suggested, and it worked on the 32 bit 
machine.  I then tried installing the package for a 64 bit machine, and 
got the same error.

Thank you for helping me get the accounting package back in service.

I will follow the suggestion by the others to use the 
http://sourceforge.net/p/dosemu/bugs/
link in the future to report problems.

Fred


On 07/26/2013 09:28 AM, Ivan Baldo wrote:
>      Hello.
>
>      Try running this as root before running DOSEmu:
> echo 0 >/proc/sys/vm/mmap_min_addr
>
>      Sometimes the 32 bit CPU emulator fails and that command above
> allows DOSEmu to use the CPU directly when in a 32 bit Linux environment.
>
>      Another thing to try is to install the Debian package:
> http://packages.debian.org/sid/dosemu
>
>      If you fix the problem, then it may be useful for others that you
> tell us how you fixed it.
>
>      Thanks!!!
>
> P.s.: happy systems administrators day!!!
>
>
>
>
> El 25/07/13 23:07, Frederic Herman escribió:
>> As I reported to the list quite a while ago, I had to run an
>> accounting package in a 32 bit machine because I could not get it to
>> work in a 64 bit, both running fedora linux, and both on AMD hardware.
>>
>> I have migrated the 32 bit machine to ubuntu 12.04 (precise) and
>> installed the standard dosemu package.  I now have the same error
>> crash when I try to start the accounting program:
>>
>>
>> Invalid Opcode at 99E3 1f9c 3216 181300DF 1813 7*0000
>>
>> and the boot log:
>>
>> Illegal op ff ff ff
>>
>> cpu exception 0x06 err 0x00000000 cr2=00017e6d eip=000093e3
>>
>> Sigkill while in vm86():1f9c:99e3
>>
>> Note that the above is identical to errors that I get running on a 64
>> bit ubuntu machine.
>>
>>
>> I could post the entire boot log file if that would help.  I really
>> need to get the accounting software to run under the ubuntu installation.
>>
>> If there is a configuration tweak that I need to do, it's not obvious
>> to me.  I could try the hundreds of variations in the configuration
>> file, but I would just be shooting in the dark.
>>
>> I could also send the accounting software files if someone wants to
>> try play with it, but I am not going to post it to the discussion list.
>>
>> Thanks to anyone who can help me with this.
>>
>> Fred
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-msdos" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>
>
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Re: Need Help - Dosemu Not Working For Ubuntu 32-bit

[Frantisek Hanzlik]

Frederic Herman wrote:
> As I reported to the list quite a while ago, I had to run an accounting
> package in a 32 bit machine because I could not get it to work in a 64
> bit, both running fedora linux, and both on AMD hardware.
> 
> I have migrated the 32 bit machine to ubuntu 12.04 (precise) and installed
> the standard dosemu package.  I now have the same error crash when I try
> to start the accounting program:
> 
> 
> Invalid Opcode at 99E3 1f9c 3216 181300DF 1813 7*0000
> 
> and the boot log:
> 
> Illegal op ff ff ff
> 
> cpu exception 0x06 err 0x00000000 cr2=00017e6d eip=000093e3
> 
> Sigkill while in vm86():1f9c:99e3
> 
> Note that the above is identical to errors that I get running on a 64 bit
> ubuntu machine.
> 
> 
> I could post the entire boot log file if that would help.  I really need
> to get the accounting software to run under the ubuntu installation.
> 
> If there is a configuration tweak that I need to do, it's not obvious to
> me.  I could try the hundreds of variations in the configuration file, but
> I would just be shooting in the dark.
> 
> I could also send the accounting software files if someone wants to try
> play with it, but I am not going to post it to the discussion list.
> 
> Thanks to anyone who can help me with this.
> 
> Fred

Although probably I'm not able solve this problem, I can recommend
to You to trying run Your program with different '$_cpu_emu' values
and with different dosemu modes, as e.g. starting DOSEMU from xterm
with '-X' (X-window mode), '-t' (terminal mode), and '-S' (SDL mode
- when You have support for it compiled in). I have accounting SW
which run in X-window mode, but crashes DOSEMU in terminal mode.
It seems as debugging DOSEMU crashes isn't too easy, I would like
when someone with DOSEMU internals skills could give me advice how
start solve this problem.

And, when You wan and there are some simple steps how evoke Your
DOSEMU crash, I can try run it on my configuration, when You pose it
somewhere.

Franta Hanzlik