Bug#140443: marked as done (apt: broken on FTP socket timeouts)
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and subject line Bug#140443: apt: broken on FTP socket timeouts
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Received: (at submit) by bugs.debian.org; 29 Mar 2002 11:39:40 +0000
>From andi@rhlx01.fht-esslingen.de Fri Mar 29 05:39:40 2002
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Date: Fri, 29 Mar 2002 12:39:36 +0100
From: Andreas Mohr <andi@rhlx01.fht-esslingen.de>
To: submit@bugs.debian.org
Subject: apt: broken on FTP socket timeouts
Message-ID: <20020329123936.A14358@rhlx01.fht-esslingen.de>
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Package: apt
Version: 0.5.4
As it's Easter today, my DSL connection is slightly (?) unreliable.
Thus when I tried to do my usual "apt-get update", I got frequent
"data socket timed out".
Then on the next "apt-get update", at first it printed the last byte count of
the Package to be downloaded, but then it suddently resetted back to 0
and redownloaded to whole file.
Not so if you manage to Ctrl-C or kill apt-get update *before*
the "data socket timed out" happens.
Then it properly resumes file download at the byte count where it left off.
I assume that it has to do with time stamping of the package file.
My suspicion is that maybe a "data socket timed out" abort doesn't update
the downloaded file timestamp properly, whereas Ctrl-C or kill does.
Thus apt-get notices that there's a partial file and prints its byte count,
but an instant later it recognizes that the time stamp is incompatible
and proceeds with redownloading the whole file.
In short: the "data socket timed out" abort part should probably be fixed.
--
Andreas Mohr Stauferstr. 6, D-71272 Renningen, Germany
Tel. +49 7159 800604 http://home.arcor.de/andi.mohr/
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Received: (at 140443-done) by bugs.debian.org; 2 Apr 2002 06:32:15 +0000
>From jgg@debian.org Tue Apr 02 00:32:15 2002
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id 16sHq0-000458-00; Mon, 01 Apr 2002 23:32:12 -0700
Date: Mon, 1 Apr 2002 23:32:12 -0700 (MST)
From: Jason Gunthorpe <jgg@debian.org>
X-Sender: jgg@wakko.debian.net
To: andi@rhlx01.fht-esslingen.de, 140443-done@bugs.debian.org
cc: debian-bugs-dist@lists.debian.org,
APT Development Team <deity@lists.debian.org>, apt@packages.qa.debian.org
Subject: Re: Bug#140443: apt: broken on FTP socket timeouts
In-Reply-To: <20020329123936.A14358@rhlx01.fht-esslingen.de>
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Delivered-To: 140443-done@bugs.debian.org
On Fri, 29 Mar 2002, Andreas Mohr wrote:
> Thus when I tried to do my usual "apt-get update", I got frequent
> "data socket timed out".
> Then on the next "apt-get update", at first it printed the last byte count of
> the Package to be downloaded, but then it suddently resetted back to 0
> and redownloaded to whole file.
You know, it may have actually changed on the server, it happens..
wakko{jgg}~/work/apt/build/bin#./apt-get -o acquire::ftp::timeout=1 update
Get:1 ftp://gluck.debian.org stable/main Packages [789kB]
Err ftp://gluck.debian.org stable/main Packages
Data socket timed out
wakko{jgg}#TZ=utc ls -l apt/lists/partial/
total 236
-rw-r--r-- 1 jgg jgg 236528 Jan 10 15:30 gluck.debian.org_debian_dists_stable_main_binary-alpha_Packages
lftp gluck.debian.org:/debian/dists/stable/main/binary-alpha> ls
-rw-r--r-- 1 1176 1176 2818270 Jan 10 15:30 Packages
Plus the code looks entirely correct in this regard.
So, something more than speculation will be required to re-open this bug..
Jason
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