I also had this issue on Ubuntu 20.04, which was up to date as of a week or
2 ago before I noticed this issue (it might have been around for quite some
time; I hadn't updated this specific computer in ~6 months). Here's what I
did to resolve it, allowing "apt" to work again for me. I'm pretty sure the
issue is with the UHD PPA info. I will push this info to Ettus R&D and
hopefully they can shed some light on this issue -- and hopefully fix it! -
MLD
1) Either via some commandline / file editing or in the "Software &
Updates" app ("Other Software" tab):
disable all entries for "ppa.launchpad.net/ettusresearch". save files /
Close the app & it should update the local cache of software.
2) run "sudo apt update" just in case.
3) run "sudo apt --fix-broken install" and the apt-installed UHD packages
should be removed.
Yes, I know that UHD PPA is now disabled, and hence installing UHD will be
less simple. That said, at least "apt" is working again!
On Thu, May 26, 2022 at 8:37 PM Marcus D. Leech <[email protected]>
wrote:
> On 2022-05-26 02:56, rouba zeitoun wrote:
>
> Hello Marcus,
>
> I had installed it a couple of months ago, it was a general upgrade
> through the terminal (using "sudo apt upgrade"), also i checked my ubuntu
> version and yes it is bionic.
>
> thank you for your support
>
> Kind Regards
> Rouba
>
> What I would try to do is to completely uninstall UHD first, then try to
> do a 4.2 install from the PPA. But, to be honest, I'm a bit surprised
> that sometime
> as modern as UHD 4.2 will even build for Ubuntu 18.04. The current LTS
> release of Ubuntu is 22.04, and I've been running 21.10 for over a year.
>
> sudo apt remove uhd uhd-host
>
>
>
> On Wed, May 25, 2022 at 7:23 PM Marcus D. Leech <[email protected]>
> wrote:
>
>> On 2022-05-25 04:27, rouba zeitoun wrote:
>>
>> Hello USRP Support
>>
>> Hope you have a nice day.
>>
>> I was trying to upgrade my system and i got this message
>>
>>
>>
>>
>>
>> *You might want to run 'apt --fix-broken install' to correct these. The
>> following packages have unmet dependencies: libuhd-dev : Depends:
>> libuhd4.2.0 (= 4.2.0.0-0ubuntu1~bionic1) but it is not installed uhd-host
>> : Depends: libuhd4.2.0 (= 4.2.0.0-0ubuntu1~bionic1) but it is not installed
>> E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or
>> specify a solution).*
>>
>> after i tried *' sudo apt --fix-broken install' *i got this error
>>
>>
>>
>>
>>
>> *dpkg: error processing archive
>> /var/cache/apt/archives/libuhd4.2.0_4.2.0.0-0ubuntu1~bionic1_amd64.deb
>> (--unpack): trying to overwrite '/usr/share/uhd/cal/cal_metadata.fbs',
>> which is also in package libuhd4.1.0:amd64 4.1.0.4-0ubuntu1~bionic1 Errors
>> were encountered while processing:
>> /var/cache/apt/archives/libuhd4.2.0_4.2.0.0-0ubuntu1~bionic1_amd64.deb E:
>> Sub-process /usr/bin/dpkg returned an error code (1)*
>>
>> How may I solve this problem?
>>
>> Kind Regards
>> Rouba
>>
>> How did you install UHD initially? What did you do to try to upgrade?
>> I'll note that "Bionic" is a version of Ubuntu that is quite out-of-date at
>> this point, but there do
>> appear to be PPA for UHD 4.2 for bionic.
>>
>>
>>
>>
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