It's not so clear that we had a RAM problem... we were using memtest86+
4.20 that seems to consistenly report bad RAM in every computer we try it
to, so we take that as false positives.
Running memtest86 6.3.0 it doesn't find any problem, so now we are
wondering how we got those bits changed all of a sudden.
On Thu, Mar 10, 2016 at 11:42:10AM +0100, Lluís Batlle i Rossell wrote:
> Hello,
>
> I just checked with memtest86, and it found RAM problems at 43% of the
> progress. Luckily that we didn't have more serious problems than this.
>
> As for fossil, it did not even reach any sha1 checking. All quite blew up
> just because of the silent uncompression failure. That definitely has to
> be fixed in fossil.
>
> As for gzip/miniz names, there is a cpp flag that makes miniz compatible with
> gzip names: MINIZ_NO_ZLIB_COMPATIBLE_NAMES.
>
> Regards,
> Lluís.
>
> On Thu, Mar 10, 2016 at 11:27:55AM +0100, Stephan Beal wrote:
> > On Thu, Mar 10, 2016 at 10:54 AM, Lluís Batlle i Rossell <vi...@viric.name>
> > wrote:
> >
> > > Oh, I see that the content_of_blob(rid=1864) fails to uncompress it with
> > > rc=-5 (MZ_BUF_ERROR).
> > >
> >
> > interestingly... that's miniz, not libz.
> >
> > Other than that, i'm as puzzled as you are. i hope this wasn't a miniz bug.
> >
> >
> > > Then, it does:
> > > if( rc!=Z_OK ){
> > > blob_reset(&temp);
> > > return 1;
> > > }
> > >
> >
> > Is that right? Z_OK is a libz thing. Maybe miniz also defines it.
> >
> >
> >
> > > Here is the complete diff of xxd dumps of the 14MB blobs. It seems that
> > > only a few bits where changed. Crazy.
> > >
> >
> > All it takes is 1 bit to change the sha1 :/.
> >
> > --
> > ----- stephan beal
> > http://wanderinghorse.net/home/stephan/
> > http://gplus.to/sgbeal
> > "Freedom is sloppy. But since tyranny's the only guaranteed byproduct of
> > those who insist on a perfect world, freedom will have to do." -- Bigby Wolf
>
> > _______________________________________________
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> > fossil-dev@mailinglists.sqlite.org
> > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/fossil-dev
>
>
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