Hello Richard, Enrico!
On Fri, Nov 03, 2006 at 11:09:35AM +0100, Enrico Scholz wrote:
> [CC lkml; original issue at
> http://article.gmane.org/gmane.linux.ports.arm.kernel/28068]
>
> [email protected] (Richard Purdie) writes:
>
> >> > I have a problem with JFFS2 filesystem and kernel 2.6.18. When
> >> > starting a program which uses a certain library (libutil.so.1 in
> >> > my case), the .got section of the library can be initialized
> >> > wrongly when the used memory is uninitialized.
> >>
> >> Problem seems to be caused by
> >>
> >> | [PATCH] zlib_inflate: Upgrade library code to a recent version
> >>
> >> (4f3865fb57a04db7cca068fed1c15badc064a302)
> >>
> >> After reverting this (and related patches), things seem to work.
> >>
> >> I don't have an idea yet, which changes in this complex patch are
> >> really responsible....
> >
> > I'm the author of the above change. I just ran your test program
> > on a device (ARM PXA255 with 2.6.19-rc4 kernel, 2.3.5ish glibc,
> > gcc 3.4.4, libraries on jffs2) and I can't reproduce the
> > problem.
>
> I can reproduce it 100% with:
Same here. I can reproduce exactly same problem. And reverting zlib
changes fixes it. I'm testing it on ARM PXA270 + binutils-2.17 +
glibc-2.5 + gcc-4.1.1 (old ABI).
> > Which other related patches did you remove?
>
> For 2.6.18 tests, I reverted only the patches which changed
> lib/zlib_* after 2.6.17:
>
> | 31925c8857ba17c11129b766a980ff7c87780301 [PATCH] Fix ppc32 zImage inflate
> | b762450e84e20a179ee5993b065caaad99a65fbf [PATCH] zlib inflate: fix function definitions
> | 0ecbf4b5fc38479ba29149455d56c11a23b131c0 move acknowledgment for Mark Adler to CREDITS
> | 4f3865fb57a04db7cca068fed1c15badc064a302 [PATCH] zlib_inflate: Upgrade library code to a recent version
Indeed. Reverting these patches fixes all these pesky issues with
jffs2/libutil/openpty.
> Enrico
Thanks,
-- Anton (irc: bd2)
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