Error when upgrading from Ubuntu 7.04 to 7.10 using Update Manager

[Prad]

I get following error during upgrade.

Error During Update

A problem occurred during the update. This is usually some sort of network problem, please check your network connection and retry.

Failed to fetch http://security.ubuntu.com/ubuntu/dists/gutsy-security/main/binary-i386/Packages.bz2 Sub-process bzip2 returned an error code (2)
Failed to fetch http://security.ubuntu.com/ubuntu/dists/gutsy-security/main/binary-i386/Packages.bz2 Sub-process bzip2 returned an error code (2)

[Pascal De Vuyst (pascal-devuyst)]

As mentioned this was probably some temporary network problem.
The files are there so please try to upgrade again.

[Prad (prad-nambiar-gmail)]

Hi Pascal,

Thanks for your advice.

There is no problem with my network and I have already tried more than 20 times (at different timings on different days) to upgrade. I received error message each time.

So I do not think the error is due to temporary network problem.

Prad

[Prad (prad-nambiar-gmail)]

To add on to previous message.

Below is the error message i Got when i tried just now.

Failed to fetch http://sg.archive.ubuntu.com/ubuntu/dists/gutsy/main/binary-i386/Packages.bz2 Sub-process bzip2 returned an error code (2)
Failed to fetch http://sg.archive.ubuntu.com/ubuntu/dists/gutsy/main/binary-i386/Packages.bz2 Sub-process bzip2 returned an error code (2)

At times i get message in first post and at times together with today's message.

[SilveRaid (silveraid)]

Sorry, I have been studying now in English, and my grammar is rather bad :-).

So, I have the same problem.
If I download the same file with wget, the md5sums are always different :-), very funny, hah :-).
With Ubuntu 7.04 and Windows Vista Business works the system perfectly. With Ubuntu 7.10 and 8.04 have this problem.

I have AMD Athlon 64 X2 with Asus M2N-E motherboard, 2 piece of 512MB goodram module + 2 piece of 1G kingstone module, 7600 GT VGA and Broadcom AirForce One chipset wifi (Asus).

I flashed the brand new BIOS to the motherboard, but didn't help it.
I disabled the AMD Live, AMD Virtualization, AMD Cool 'N Quiet technology, but the same...
I removed the two kingstone module, and the wget works perfect...
I removed the two goodram module, and the wget works almost perfect...

The memory are checked with memtest86, I don't know maybe Dual-Channel problem?

[SilveRaid (silveraid)]

Okay, my system is affected with the iommu kernel bug, with the mem=2048M I can use my system very well.

I think Prad affected by the sources.list repo line duplication problem. Please use each repo only once.

[Martin Pitt (pitti)]

So this does not seem to have anything to do with a broken archive after all. Thanks for your report!