Hi,  
  
Ok.  My build which doesn't do anything special shows this:  
  
squeak: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-armhf.so.3, for GNU/Linux 3.2.0, BuildID[sha1]=42e5a7da9312a9fbc187ff9f1390d4637b21ddf8, not stripped  


  
  
I was more worried about testing, ie, if I build it on a PI3+ I wouldn't be confident that it ran on earlier ones without testing.  
  
cheers  
  
bruce  

> If one has any Pi model it is best to use the default flags wrt architecture when compiling C; that way it will run on any Pi from the original (I still have a working example!) to a Pi 4 (when running the default Raspbian 32bit release). When the ARMv8/AARCH64 VM is released we will have a quite different set of issues to enjoy fixing.  
>   
>  > On 2020-03-11, at 11:48 AM, Bruce O'Neel wrote:  
>  >  
>  >  
>  > I'm willing to do PI builds but for ARMv7 not v6.  
>  >  
>  > cheers  
>  >  
>  > bruce  
>  >  
>  >  
>  > 11 March 2020 19:20 tim Rowledge wrote:  
>  > Are we not able to connect up a Pi to be used for these auto-builds? Or does it require machines at 'their' location (whoever 'they' is?)  
>  >  
>  > > On 2020-03-11, at 11:08 AM, Nicolas Cellier wrote:  
>  > >  
>  > > My bad, it sounds OK for armV8, not so for v6...  
>  > > https://docs.travis-ci.com/user/multi-cpu-architectures/  
>  > >  
>  > > Le mer. 11 mars 2020 à 11:43, Nicolas Cellier a écrit :  
>  > > I'm not uptodate, it seems that Travis has more to offer:  
>  > > https://blog.travis-ci.com/2019-10-07-multi-cpu-architecture-support  
>  > >  
>  > > Le mer. 11 mars 2020 à 11:38, Nicolas Cellier a écrit :  
>  > > From extracts of the travis log https://travis-ci.org/OpenSmalltalk/opensmalltalk-vm/jobs/657397531, I see that:  
>  > >  
>  > > - we compile with gcc  
>  > > gcc -std=gnu99 -g -O2 -DNDEBUG -DDEBUGVM=0 -DI_REALLY_DONT_CARE_HOW_UNSAFE_THIS_IS -DUSE_MIDI_ALSA -DCOGMTVM=0 -Wall -pthread -DLSB_FIRST=1 -march=armv6 -mfpu=vfp -mfloat-abi=hard -Wno-missing-braces -Wno-unknown-pragmas -Wno-unused-value -Wno-unused-label -Wno-unused-function -Wno-unused-variable -Wno-unused-but-set-variable -DHAVE_CONFIG_H -DSQUEAK_BUILTIN_PLUGIN snip...  
>  > > - it is a rather old version  
>  > > $ gcc --version  
>  > > gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4  
>  > >  
>  > > - we do not seem to run tests for arm (would require setting up emulation on the CI for example qemu like https://www.tomaz.me/2013/12/02/running-travis-ci-tests-on-arm.html)  
>  > >  
>  > >  
>  > > Le mer. 11 mars 2020 à 08:39, Nicolas Cellier a écrit :  
>  > > Hi,  
>  > > I have simulated the VM (nightly, it's too long),  
>  > >  
>  > > | cos |  
>  > > cos := CogVMSimulator newWithOptions: #(Cogit StackToRegisterMappingCogit  
>  > > ObjectMemory Spur32BitCoMemoryManager  
>  > > ISA ARMv5 ).  
>  > > cos desiredNumStackPages: 8.  
>  > > cos openOn: 'Squeak5.3-19431-32bit.image'.  
>  > > cos openAsMorph; run  
>  > >  
>  > > It starts normally thru simulator (I don't attach the screen snapshot, but it takes more than 2G byteCodes/241k sends to obtain the preference wizard)  
>  > >  
>  > > Could the crash be related to the cross-compiler?  
>  > > Is it gcc or clang currently for ARM builds?  
>  > > On macos, -fsanitize=undefined notices a few unaligned memory access...  
>  > > Could it be a clue?  
>  > >  
>  > >  
>  > > Le lun. 9 mars 2020 à 02:17, tim Rowledge a écrit :  
>  > >  
>  > >  
>  > > > On 2020-03-08, at 12:12 PM, tim Rowledge wrote:  
>  > > >  
>  > > > From the stack etc it looks as if something within SmalltalkImage>setGCParameters (so immediately after the return from snapshot primitive) calls vsprintf() and has a little conniption. Not clear whether the issue is in the vmParameterAt: or the vmParameterAt:put: yet.  
>  > >  
>  > > OK, no particular helpful news from looking at the VM generated code; the vmParameterAt:put: case would seem to be using the code in src/vm/cointerp.c ll: 55603-8 where I see no plausible connection to vsprintf(). Sigh.  
>  > >  
>  > > tim  
>  > > --  
>  > > tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim  
>  > > Don't document the program; program the document.  
>  > >  
>  > >  
>  > >  
>  > >  
>  >  
>  >  
>  > tim  
>  > --  
>  > tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim  
>  > Useful random insult:- A one-bit brain with a parity error.  
>  >  
>  >  
>  >  
>  >  
>  >  
>  >  
>   
>   
>  tim  
>  --  
>  tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim  
>  Common sense – so rare it’s a goddam superpower
  

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