[Vm-dev] Recent Cog crashes with AndreasSystemProfiler

[Phil (list)]

I'm running into this as well with 3390 & 3410 on Linux

On Mon, 2015-07-20 at 17:16 +0000, J. Vuletich (mail lists) wrote:
>  
> Hi Eliot, Folks,
> 
> I found that recent Cog VMs crash when using AndreasSystemProfiler.  
> I'm using Cuis https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev ,  
> but could reproduce the problem in Squeak4.6-15078 and  
> AndreasSystemProfiler from  
> http://ss3.gemstone.com/ss/AndreasSystemProfiler.html . I tried on  
> Windows 7 and Linux Debian Jessie and saw similar behavior. I could  
> try on a Mac if helpful.
> 
> To reproduce the problem, evaluate this, several times. Usually  
> crashes after 4 or 5 tries:
> 
> AndreasSystemProfiler spyOn:[10000 timesRepeat: [3.14159 printString]]
> 
> This does _not_ crash in coglinux-15.22.3370 or cogwin-15.22.3370  
> (from June 4th). With this VM I can evaluate the expression over 40  
> times and never saw a crash.
> 
> It does crash on the newer release: cogwin-15.24.3386 and  
> coglinux-15.24.3386. It also crashes on the very latest  
> cogwin-15.28.3410 and coglinux-15.28.3410. I tried on one machine with  
> Win7 and Linux and on another PC with Win7. Results were consistent.
> 
> All the crash dumps are at  
> https://www.dropbox.com/sh/juewbluobhciejh/AABjvOKULw9mZNvlVg3t8Dyga?dl=0  
> ..
> 
> The Linux crash files include these lines at the end:
>          stack page bytes 4096 available headroom 2788 minimum unused  
> headroom 3004
>          (Segmentation fault)
> 
> The Windows crash files include a "Stack backtrace" and a "Smalltalk  
> stack dump".
> 
> Thanks in advance for your help.
> 
> Regards,
> Juan Vuletich
>