Public bug reported:
Binary package hint: dpkg
I ran into this while bringing up a system that happens to have
a flaky network card which caused a single bit error about one
in every hundred megabits downloaded. This caused about
three .deb packages to be downloaded with single bit errors;
I could verify this by observing bad md5sums in several
.deb files in /var/cache/apt/archives.
Oddly, Ubuntu *never told me about the errors*; it
installed the packages in spite of the bad bit, and seems
to have exited with successful status after installing
only part of the given packages (presumably the ones
before the bit error in the archive?).
It took a certain amount of headscratching to figure this out.
Installing an alternate network card solved the network problem,
and presumably there's a firmware/hardware/driver bug with
the original network card, but nevertheless, dpkg and apt should
have caught this error sooner. dpkg should have complained
bitterly about the bad .deb, and apt should have checked the
md5sum, noticed it was wrong, and redownloaded.
I don't know if this is a security bug or not.
** Affects: dpkg (Ubuntu)
Importance: Undecided
Status: New
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dpkg and apt silently misbehave when installing packages with download errors
https://bugs.launchpad.net/bugs/262839
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