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当 dpkg 状态文件中两次提及包时，如何解决依赖性问题？

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当 dpkg 状态文件中两次提及包时，如何解决依赖性问题？

我从 Ubuntu 18.04 升级到了 20.04，现在想重新安装，gnome-control-center因为它似乎坏了。由于一些问题，我得到了通过 修复损坏软件包的建议apt --fix-broken install。这失败了，并显示：

dpkg: error processing archive /var/cache/apt/archives/libgcc1_1%3a10.3.0-1ubuntu1~20.04_amd64.deb (--unpack):
 package libgcc1:amd64 (1:10.3.0-1ubuntu1~20.04) with field 'Multi-Arch: no' is not co-installable with libgcc1 which has multiple installed instances
Errors were encountered while processing:
 /var/cache/apt/archives/libgcc1_1%3a10.3.0-1ubuntu1~20.04_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

完整输出：带有 bash 命令和输出的 pastebin

建议的解决方案这里不起作用，因为文件/var/lib/dpkg/status看起来有些不同。

该包libgcc1似乎在文件中存在两次status（见下面的摘录）。

在这种情况下，解决方案是什么样的？

Package: libgcc1
Status: deinstall ok config-files
Priority: optional
Section: libs
Installed-Size: 150
Maintainer: Ubuntu Core developers <[email protected]>
Architecture: i386
Multi-Arch: same
Source: gcc-9 (9.1.0-2ubuntu2~14.04.2)
Version: 1:9.1.0-2ubuntu2~14.04.2
Config-Version: 1:9.1.0-2ubuntu2~14.04.2
Depends: gcc-9-base (= 9.1.0-2ubuntu2~14.04.2), libc6 (>= 2.2.4)
Pre-Depends: multiarch-support
Breaks: gcc-4.3 (<< 4.3.6-1), gcc-4.4 (<< 4.4.6-4), gcc-4.5 (<< 4.5.3-2)
Description: GCC support library
 Shared version of the support library, a library of internal subroutines
 that GCC uses to overcome shortcomings of particular machines, or
 special needs for some languages.
Homepage: http://gcc.gnu.org/
Original-Maintainer: Debian GCC Maintainers <[email protected]>

---------------------------------------------
Package: libgcc1
Status: install ok installed
Priority: optional
Section: libs
Installed-Size: 135
Maintainer: Ubuntu Core developers <[email protected]>
Architecture: amd64
Multi-Arch: same
Source: gcc-9 (9.1.0-2ubuntu2~14.04.2)
Version: 1:9.1.0-2ubuntu2~14.04.2
Depends: gcc-9-base (= 9.1.0-2ubuntu2~14.04.2), libc6 (>= 2.14)
Pre-Depends: multiarch-support
Breaks: gcc-4.3 (<< 4.3.6-1), gcc-4.4 (<< 4.4.6-4), gcc-4.5 (<< 4.5.3-2)
Description: GCC support library
 Shared version of the support library, a library of internal subroutines
 that GCC uses to overcome shortcomings of particular machines, or
 special needs for some languages.
Homepage: http://gcc.gnu.org/
Original-Maintainer: Debian GCC Maintainers <[email protected]>

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