From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ivan Baldo Subject: Re: Need Help - Dosemu Not Working For Ubuntu 32-bit Date: Fri, 26 Jul 2013 12:28:55 -0300 Message-ID: <51F295B7.6060102@adinet.com.uy> References: <51F1D9CA.9080404@inferential.com> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <51F1D9CA.9080404@inferential.com> Sender: linux-msdos-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: Frederic Herman Cc: linux-msdos@vger.kernel.org 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=20 allows DOSEmu to use the CPU directly when in a 32 bit Linux environmen= t. 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=20 tell us how you fixed it. Thanks!!! P.s.: happy systems administrators day!!! El 25/07/13 23:07, Frederic Herman escribi=F3: > As I reported to the list quite a while ago, I had to run an=20 > accounting package in a 32 bit machine because I could not get it to=20 > work in a 64 bit, both running fedora linux, and both on AMD hardware= =2E > > I have migrated the 32 bit machine to ubuntu 12.04 (precise) and=20 > installed the standard dosemu package. I now have the same error=20 > 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=3D00017e6d eip=3D000093e3 > > Sigkill while in vm86():1f9c:99e3 > > Note that the above is identical to errors that I get running on a 64= =20 > bit ubuntu machine. > > > I could post the entire boot log file if that would help. I really=20 > need to get the accounting software to run under the ubuntu installat= ion. > > If there is a configuration tweak that I need to do, it's not obvious= =20 > to me. I could try the hundreds of variations in the configuration=20 > file, but I would just be shooting in the dark. > > I could also send the accounting software files if someone wants to=20 > try play with it, but I am not going to post it to the discussion lis= t. > > Thanks to anyone who can help me with this. > > Fred > --=20 > 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 > --=20 Ivan Baldo - ibaldo@adinet.com.uy - http://ibaldo.codigolibre.net/ From Montevideo, Uruguay, at the south of South America. =46reelance programmer and GNU/Linux system administrator, hire me! Alternatives: ibaldo@codigolibre.net - http://go.to/ibaldo -- 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