I can confirm the gzip bug on current amd64 oneiric:
dpkg-deb -x /var/cache/apt/archives/libtasn1-3_2.10-1_i386.deb /tmp/i386
amd64 version: $ md5sum /usr/share/doc/libtasn1-3/NEWS.gz ab72644ef4dfcaac1e789c5f7da57fab /usr/share/doc/libtasn1-3/NEWS.gz i386 version: $ md5sum /tmp/i386/usr/share/doc/libtasn1-3/NEWS.gz 11d5af6dcae12ac9564ca7a6a2055cbf /tmp/i386/usr/share/doc/libtasn1-3/NEWS.gz
Curiously re-compressing the file on amd64 gives the i386 version to me: $ gzip -cd /usr/share/doc/libtasn1-3/NEWS.gz | gzip -9n | md5sum - 11d5af6dcae12ac9564ca7a6a2055cbf -
I can confirm the gzip bug on current amd64 oneiric:
dpkg-deb -x /var/cache/ apt/archives/ libtasn1- 3_2.10- 1_i386. deb /tmp/i386
amd64 version: doc/libtasn1- 3/NEWS. gz c1e789c5f7da57f ab /usr/share/ doc/libtasn1- 3/NEWS. gz usr/share/ doc/libtasn1- 3/NEWS. gz 9564ca7a6a2055c bf /tmp/i386/ usr/share/ doc/libtasn1- 3/NEWS. gz
$ md5sum /usr/share/
ab72644ef4dfcaa
i386 version:
$ md5sum /tmp/i386/
11d5af6dcae12ac
Curiously re-compressing the file on amd64 gives the i386 version to me: doc/libtasn1- 3/NEWS. gz | gzip -9n | md5sum - 9564ca7a6a2055c bf -
$ gzip -cd /usr/share/
11d5af6dcae12ac