Ubuntu

linux-image-5.0.0-31-generic-dbgsym( amd64 )failed to install

Asked by ShiYang

I am about to learn systemTap. For that, a dbgsym is required.
I found the "Binary package “linux-image-5.0.0-31-generic-dbgsym” in ubuntu bionic" at launchpad.net, but its size is only 5.2KiB, which is absolutely weird. But still, I downloaded the file called "linux-image-5.0.0-31-generic-dbgsym_5.0.0-31.33_18.04.1_amd64.ddeb", and tryed running it. And it failed as expected.
Where can I find a workable dbgsym for linux-image-5.0.0-31-generic-dbgsym( amd64 ) ? Or, is there an alternative dbgsym for the systemTap to function without changing OS?

p.s. info from command "uname -a":
Linux gLenovo-laptop 5.0.0-31-generic #33~18.04.1-Ubuntu SMP Tue Oct 1 10:20:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

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Manfred Hampl
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Best Manfred Hampl (m-hampl) said : 		#1

see https://wiki.ubuntu.com/Debug%20Symbol%20Packages

The size of the linux-image-5.0.0-31-generic-dbgsym package is correct, but it requires installing another package, namely
linux-image-unsigned-5.0.0-31-generic-dbgsym_5.0.0-31.33~18.04.1_amd64.ddeb

Execute the command
sudo apt install linux-image-5.0.0-31-generic-dbgsym

after defining the ddebs server as repository for your package management system (see the link above).
This should care for installation of the needed packages.

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ShiYang (gyhanis) said : 		#2

Thanks Manfred Hampl, that solved my question.