Re: [PATCH] [RFC] fix kernel crash (protection id trap) when compiling ruby1.9

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On Thu, Dec 18, 2008 at 02:09:40PM +0100, Helge Deller wrote:
> -------- Original-Nachricht --------
> > On Wed, Dec 17, 2008 at 11:46:05PM +0100, Helge Deller wrote:
> > > The Debian bugzilla has a long thread about kernel crashes when
> > > compiling ruby1.9 on hppa. This kernel bug led even to discussions if
> > > hppa should be dropped for lenny.
> > > See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=478717 for details.
> > > 
> > > It's really easy to reproduce the bug, and it generates this backtrace
> > > (interestingly two backtraces):
> > 
> > When does it die? My ruby1.9 is building through to the tests (where
> > it's hanging without crashing...)
> 
> If it does not happen directly for you, just try a few times/cycles, e.g. make, make clean in the build directory.
> Even killing the hanging miniruby processes can make the kernel die (when my patch wasn't applied). With the patch it stays hanging.
>

Aside from the testsuite hanging it seems to be building fine for me no
matter how many times I let it go...

making ruby1.9
make[1]: Entering directory `/home/kyle/src/ruby1.9-1.9.0.2'
cc -fno-strict-aliasing -g -g -O2 -O2 -g -Wall -Wno-parentheses  -fPIC
-L.  -rdynamic -Wl,-export-dynamic   main.o  -lruby1.9 -lpthread -lrt
-ldl -lcrypt -lm   -o ruby1.9
make[1]: Leaving directory `/home/kyle/src/ruby1.9-1.9.0.2'

Let me debootstrap on another machine and try it there, sigh.
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