[Gc] Absurd stack bottom value on ARM

Michael Starzinger michi at complang.tuwien.ac.at
Sat Mar 14 13:39:21 PST 2009


As you might be aware, we are using the Boehm GC in CACAO [1] at the  
moment. Recently we received a bug report about a failing assertion on  
an ARM board (Openmoko Neo Freerunner) running the Openmoko firmware.  
Please take a look at our Bugzilla entry [2] for a detailed  
description of the problem.

Currently I don't have access to an Openmoko installation, so I'm  
merely forwarding the information I received. The bugging assertion  
[3] is still present in the recent 7.1 version of the Boehm GC, so I  
am assuming that it hasn't been addressed yet.

Is it OK to simply remove the bugging assertion for our purposes?
Does the "absurd stack bottom value" have any other side effects?

[1] https://www.cacaovm.org/
[2] https://server.complang.tuwien.ac.at/cgi-bin/bugzilla/show_bug.cgi?id=121
[3] https://mips.complang.tuwien.ac.at/hg/cacao/file/f162d02fffb3/src/mm/boehm-gc/os_dep.c#l1080


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