Hello,

I am not familiar about the release process, so I do not know how could I
grab a fixed apt and install it to confirm this fixes my original issue.

I went without updating these VMs quite for some time (vacations!), but now
can re-test if that helps.

Thanks for checking and providing a fix for the issue.
Regards,
///Pablo

2016-11-13 20:53 GMT-03:00 Pablo Di Noto <[email protected]>:

>
> (mhh, I wonder why I missed the initial report…)
>>
>
> Not familiar with Debian bug system, so perhaps I did not follow the
> proper procedure?
>
>
>>
>> On Sun, Nov 13, 2016 at 08:15:57PM +0100, Markus Wanner wrote:
>> > > Acquire::http::Proxy "http://10.137.255.254:8082/";;
>> >
>> > Out of curiosity and hopefully narrowing down the issue: What kind of
>> > proxy is this on your side?
>>
>> Another good point would be running apt with:
>> -o Debug::pkgAcquire::Worker=1 -o Debug::Acquire::http=1
>>
>
> Will try this during the week, once the downloaded files get expired.
>
>
>> And is "repeatedly" meant to refer to "reproducible all the time" or
>> "happens often, but no obvious pattern"?
>>
>
> The pattern I was able to detect is that:
> - It always happen on files related to dep11 and icons, which are quite
> big.
> - Happens 50% of the time
> - Happens on debian 8 and debian 9 (will collect same set of logs on the
> newer template)
>
>
>> Interesting is the failure in copy ("E: Failed to fetch copy:") as that
>> is supposed to "just" move files around without (un)compression – and we
>> have passed the stage proxies could interfere as the download itself
>> verified (or not, maybe it IMS hits in some way and copy is supposed to
>> verify it – there are various ways such a not-modified state can be
>> reached and proxies are notoriously bad with it…).
>>
>> btw: It is best to run apt with the least amount of config usually. The
>> mentioned config options are rather special case and especially the
>> "Acquire::BrokenProxy" one doesn't even exist… (I looked once, it seems
>> to have existed ~10 years ago for one year in no stable release and the
>> name was very bad for what it actually did…). Rule of thumb: If you
>> don't know what you are doing, use neither – unfortunately it seems the
>> people commonly answering questions on q&a-sites tend to be in the very
>> vocal "no idea, but I get points for posting stuff anyhow" group.
>>
>
> Now that I realize the proxy is a suspect, I will clone the template and
> perform the same update with and without the proxy. That should provide
> some clues. Same goes for the "bare minimum" apt-config file.
>
>>
> Thanks for the suggestions,
> ///Pablo
>

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