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Re: Bits from the RM



At Mon, 25 Aug 2003 19:01:14 -0500 (CDT),
Adam Heath wrote:
> On Fri, 22 Aug 2003, GOTO Masanori wrote:
> 
> > It was reported by joshk on IRC, but I'm not still clear where this
> > problem come from.  Example:
> >
> > 	ultra30:~> dpkg -s libc6 | grep Version
> > 	Version: 2.3.2-3
> > 	ultra30:~> dpkg -s dpkg | grep Version
> > 	Version: 1.10.10
> > 	ultra30:~> dpkg
> > 	Bus error
> >
> > dpkg works well with some options, but only typing `dpkg' breaks with
> > bus error.  It's not related with the existence of libc6-sparc64.
> > From tracking with gdb, dpkg breaks setjmp()/longjmp().  The
> > mysterious thing is that it works fine to compile gcc-3.2/gcc-3.3
> > without -O2 optimization.  It's also ok with glibc 2.3.1-17, IIRC.
> 
> Hmm.  I'm reminded of a problem on s390x.  64-bit arch, but when dpkg was
> initializing some variable, it only did it to the lower(or upper, can't
> recall) 32 bits.  Later, it blew up.

dpkg works fine with trex.debian.org dchroot unstable + my self built
2.3.2-1 (2003-07-08 cvs) using LD_LIBRARY_PATH, so it seems other
issue.

> It's too bad valgrind doesn't work on non-i386.
> 
> Is there a debian machine I can access that has this problem?  The last 2
> times some odd issue came up like this, one turned out to be a dpkg
> bug(s390x), and one was a multi-year old bug in libc6 assem(memcpy error, at
> the end of the buffer, when using mmap, on alpha).  In both cases, it didn't
> take me long to track down(not more than half a day).

Yes, you can check on vore.debian.org dchroot unstable.

	vore:~> dpkg
	Bus error

Regards,
-- gotom



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