I wanted to install arm-none-eabi-gcc and I have encountered the above error. I know that the problem is generic and I need to read lines above that message but after analyzing error lines I still do not know what to do to solve that issue. Here are error lines maybe anyone would be able to help me.

Unpacking gdb-arm-none-eabi ( ...
dpkg: error processing archive /var/cache/apt/archives/gdb-arm-none-eabi_7.6.50.20131218-0ubuntu1+1_i386.deb (--unpack):
 trying to overwrite '/usr/share/man/man1/gdb.1.gz', which is also in package gdb 7.7.1-0ubuntu5~14.04.2
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for man-db ( ...
Errors were encountered while processing:
E: Sub-process /usr/bin/dpkg returned an error code (1)

There's a bug on LaunchPad for this here, there's been a work around suggested in comment #4 which is.

sudo apt-get -o Dpkg::Options::="--force-overwrite" install gdb-arm-none-eabi`
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