I see this in the alternate CD for Jaunty RC 1, ubuntu-9.04-rc-
alternate-i386.iso. I have it mounted as a loopback device, and the file
passes the md5sum check. I see:
Failed to fetch cdrom:[Ubuntu 9.04 _Jaunty Jackalope_ - Release Candidate i386
(20090414.1)]/pool/main/p/python-central/python-central_0.6.11ubuntu6_all.deb
Hash Sum mismatch
Failed to fetch cdrom:[Ubuntu 9.04 _Jaunty Jackalope_ - Release Candidate i386
(20090414.1)]/pool/main/l/linux/linux-libc-dev_2.6.28-11.41_i386.deb Hash Sum
mismatch
Failed to fetch cdrom:[Ubuntu 9.04 _Jaunty Jackalope_ - Release Candidate i386
(20090414.1)]/pool/main/m/mpfr/libmpfr1ldbl_2.4.0-1ubuntu3_i386.deb Hash Sum
mismatch
Failed to fetch cdrom:[Ubuntu 9.04 _Jaunty Jackalope_ - Release Candidate i386
(20090414.1)]/pool/main/z/zlib/zlib1g_1.2.3.3.dfsg-12ubuntu2_i386.deb Hash Sum
mismatch
...
I have tried running the upgrade tool as /cdrom/cdromupgrade,
/media/cdrom0/cdromupgrade, and as /media/cdrom/cdromupgrade.
This is via apt-cacher-1.5.5--all on hardy, although the only errors I
see are for files from the CD-ROM.
In order to test the script, I tried copying the contents on the CD-ROM
onto the disk, where I could modify them. In the process, I found I/O
problems, e.g:
r...@grissom:~# cp /media/cdrom0/pool/main/o/openssh/ssh_5.1p1-5ubuntu1_all.deb
.
cp: reading `/media/cdrom0/pool/main/o/openssh/ssh_5.1p1-5ubuntu1_all.deb':
Input/output error
Yet the md5sum is fine:
r...@grissom:~# md5sum -c MD5SUMS
md5sum: ubuntu-9.04-rc-alternate-amd64.iso: No such file or directory
ubuntu-9.04-rc-alternate-amd64.iso: FAILED open or read
ubuntu-9.04-rc-alternate-i386.iso: OK
md5sum: ubuntu-9.04-rc-desktop-amd64.iso: No such file or directory
ubuntu-9.04-rc-desktop-amd64.iso: FAILED open or read
md5sum: ubuntu-9.04-rc-desktop-i386.iso: No such file or directory
ubuntu-9.04-rc-desktop-i386.iso: FAILED open or read
md5sum: ubuntu-9.04-rc-netbook-remix-i386.img: No such file or directory
ubuntu-9.04-rc-netbook-remix-i386.img: FAILED open or read
md5sum: ubuntu-9.04-rc-server-amd64.iso: No such file or directory
ubuntu-9.04-rc-server-amd64.iso: FAILED open or read
md5sum: ubuntu-9.04-rc-server-i386.iso: No such file or directory
ubuntu-9.04-rc-server-i386.iso: FAILED open or read
md5sum: WARNING: 6 of 7 listed files could not be read
r...@grissom:~#
(The output one would expect if only the one ISO image were present and
good.)
Unmounting and remounting the iso file gave me a good copy from the ISO
image. This time, the upgrade script then passed the point where the
above error messages occured.
I recommend the following paranoia check prior to running the actual
upgrade:
cd /cdrom && md5sum -c md5sum.txt | grep FAILED
** Changed in: update-manager (Ubuntu)
Status: Invalid => New
--
Failed to fetch cdrom:[Kubuntu 8.04 _Hardy Heron_ - Release i386
(20080422.1)]/pool/main/o/openoffice.org/openoffice.org-style-human_2.4.0-3ubuntu6_all.deb
Hash Sum mismatch
https://bugs.launchpad.net/bugs/221729
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