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

[Frederic Herman <fherman@inferential.com>]

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
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