[syslinux] VirtualBox virtual machine hangs after ISOlinux upgrade 4.05->5.10 and up.

Michael D. Setzer II mikes at kuentos.guam.net
Wed Jul 24 06:41:53 PDT 2013

On 24 Jul 2013 at 13:28, Ady wrote:

From:           	Ady <ady-sf at hotmail.com>
To:             	syslinux at zytor.com
Date sent:      	Wed, 24 Jul 2013 13:28:26 +0300
Priority:       	normal
Subject:        	Re: [syslinux] VirtualBox virtual machine hangs 
after ISOlinux
	upgrade 4.05->5.10 and up.
> > Hello,
> > I have specialized linux installation which uses ISOLinux
> > bootloader. Recently isolinux version has changed from 4.05 to 5.10.
> > From that time there is a problem with VirtualBox VM, It crashes
> > (guru meditation) on attempt to boot from HDD or hangs on
> > installation from CD. Strange part is, the very same ISO on ESXi VM
> > works like a charm. Also burned on CD and started on "real" hardware
> > works.
> > 
> > Tried VirtualBox 4.1.14 on Linux and Windows 4.1.12. Tried to change
> > VM settings, no luck.
> > 
> > After "Guru meditation" crash there is a log file with last line:
> > fatal error in recompiler cpu: Trying to execute code with memory
> > type addr_code=00000000631b0020 addend=00007fceea68e000 at
> > 00000000631b04fd. (iHandlerMemType=0x38 iMMIOMemType=0x30)
> > 
> > I will appreciate any help, Thank You.
> > 
> I would suggest, for the purpose of testing Syslinux 5.xx (and its
> variants), to update to VBox 4.2.x.

Didn't know there was any question on the Syslinux 5.10 released 
version. I upgraded my g4l image, and do testing with the latest 
virtualbox built from the source from the site with 4.2.16 and at 
least one previous version. My image has 8 kernels going back to 
3.0.87 to 3.11-rc2 and they run fine under virtualbox with 5.10. 
Also, the memtest 4.20 runs fine, as does the HDT included with 

Have not tried any of the 6.x version, but had tired some older 5.x 
versions, and after getting help on making changes to the 
syslinux.cfg file, and adding some of the additional .c32 files have 
had no issues. Unfortunately, don't have any efi systems to test 
that kind of stuff on...

Thanks again for all the work... 

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  Michael D. Setzer II -  Computer Science Instructor      
  Guam Community College  Computer Center                  
  mailto:mikes at kuentos.guam.net                            
  mailto:msetzerii at gmail.com
  Guam - Where America's Day Begins                        
  G4L Disk Imaging Project maintainer 

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