aptリポジトリの更新中にUbuntu 64ビットの「ファイル[..] binary-i386 / Packagesを取得できませんでした」エラー

64ビットマシンのUbuntu 12.04 LTSで次の問題が発生します。aptitudeリポジトリを更新しようとすると、i386関連のエラーで更新が不意に失敗します。これは64ビットシステムでは発生しないはずです。

root@liv-HP-Compaq-dc7900:/home/liv# apt-get update
Ign file: apt-build Release.gpg
Get:1 file: apt-build Release [107 B]                                          
Ign file: apt-build/main TranslationIndex                                      
Err file: apt-build/main i386 Packages                                         
  File not found
[..]
W: Failed to fetch file:/var/cache/apt-build/repository/dists/apt-build/main/binary-i386/Packages  File not found

E: Some index files failed to download. They have been ignored, or old ones used instead.

私はstatus-old運なしで復元しようとしました：

sudo cp /var/lib/dpkg/status-old /var/lib/dpkg/status

私も試しました：

root@liv-HP-Compaq-dc7900:/home/liv# apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 90 not upgraded.

しかし、有用なことを行ったり報告したりすることはないようです。後続の各apt-get updateエラーはエラーになります。

レコードについては、私の/etc/apt/sources.listファイルは次のようになります。

# deb cdrom:[Xubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ dists/precise/main/binary-i386/

# deb cdrom:[Xubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ dists/precise/multiverse/binary-i386/
# deb cdrom:[Xubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ dists/precise/restricted/binary-i386/
# deb cdrom:[Xubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ dists/precise/universe/binary-i386/
# deb cdrom:[Xubuntu 12.04 LTS _Precise Pangolin_ - Release amd64 (20120425)]/ precise main multiverse restricted universe

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://nl.archive.ubuntu.com/ubuntu/ precise main restricted
deb-src http://nl.archive.ubuntu.com/ubuntu/ precise main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://nl.archive.ubuntu.com/ubuntu/ precise-updates main restricted
deb-src http://nl.archive.ubuntu.com/ubuntu/ precise-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://nl.archive.ubuntu.com/ubuntu/ precise universe
deb-src http://nl.archive.ubuntu.com/ubuntu/ precise universe
deb http://nl.archive.ubuntu.com/ubuntu/ precise-updates universe
deb-src http://nl.archive.ubuntu.com/ubuntu/ precise-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://nl.archive.ubuntu.com/ubuntu/ precise multiverse
deb-src http://nl.archive.ubuntu.com/ubuntu/ precise multiverse
deb http://nl.archive.ubuntu.com/ubuntu/ precise-updates multiverse
deb-src http://nl.archive.ubuntu.com/ubuntu/ precise-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://nl.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://nl.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse

deb http://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
deb http://security.ubuntu.com/ubuntu precise-security universe
deb-src http://security.ubuntu.com/ubuntu precise-security universe
deb http://security.ubuntu.com/ubuntu precise-security multiverse
deb-src http://security.ubuntu.com/ubuntu precise-security multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu precise partner
# deb-src http://archive.canonical.com/ubuntu precise partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu precise main
deb-src http://extras.ubuntu.com/ubuntu precise main
deb http://cran.at.r-project.org/bin/linux/ubuntu precise/
# deb-src http://cran.at.r-project.org/bin/linux/ubuntu precise/
# deb http://archive.canonical.com/ precise partner
# deb-src http://archive.canonical.com/ precise partner

使用中のカーネルは次のとおりです。

liv@liv-HP-Compaq-dc7900:~$ uname -a
Linux liv-HP-Compaq-dc7900 3.2.0-57-generic #87-Ubuntu SMP Tue Nov 12 21:35:10 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

何が間違っているのですか、どうすれば修正できますか？

パッケージapt-mirrorを更新するために自分のサーバーを使用して同じ問題が発生しましたgit-core。

私の場合、[arch=amd64]の元のエントリを追加することで問題を解決しました/etc/apt/sources.list。

例：
オリジナル：deb http://192.168.111.222/mirror/git-core precise main
ソリューション：deb [arch=amd64] http://192.168.111.222/mirror/git-core precise main

詳細はhttps://wiki.ubuntu.com/MultiarchSpec#apt_sourcesで見つけることができます

あなたの場合、編集する必要があります/etc/apt/sources.list.d/apt-build.list。

受け入れられた答えが示唆するように、私は次の内容を編集しなければなりませんでした。

/etc/apt/sources.list.d/apt-build.list

から：

deb file:/var/cache/apt-build/repository apt-build main

に：

deb [arch=amd64] file:/var/cache/apt-build/repository apt-build main

エラーはからのみ発生したことに注意してくださいapt-build.list。/etc/apt/sources.list問題を修正するために変更する必要はありませんでした。

私はもう少し微調整をしなければなりませんでした。すなわち：

deb [arch=amd64 trusted=yes]  file:/var/cache/apt-build/repository apt-build main

aptが文句を言うのをやめる前に-sources.listの[オプション]を扱ったことがなかったので、それを正しくするためにグーグルと試行錯誤の数分かかりました...