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wasp

Member

Registered: 2018-05-11

Posts: 4  

Rtl8821ce new backports support

For those who own Lenovo laptops (V145-15AST for example), good news: in the backport repository, they recently added the 5.7 kernel which natively has the firmware for the rtl8821ce wireless driver, which previously had to be compiled and was not stable...

Last edited by wasp (2020-08-05 10:41:17)

Vernon

Member

Registered: 2020-07-19

Posts: 89  

Re: Rtl8821ce new backports support

Not being very familiar with Debian/Devuan I was wondering if there are any risks or disadvantages in installing a backports kernel. For example, does it make package upgrades unstable? Thanks.

Head_on_a_Stick

Member

From: London

Registered: 2019-03-24

Posts: 3,125  

Website

Re: Rtl8821ce new backports support

The backported kernel is drawn from testing and so may be subject to the mandatory transition delay from sid, which may result in vulnerabilities being left exposed for longer than would be the case with the stable kernel.

If you do need the backported kernel then be sure to leave the repository enabled so that it's updated. I've had too many arguments about this over at the MX forums but I'm definitely right

And note that "unstable" in De{vu,bi}an refers to the package version flux rather than reliability.

EDIT: yay for the rtl8821ce support though, thanks for the update OP.

EDIT2: and watch out for regressions with the backported kernel, the developers are too busy adding new vulnerabilites features to worry about keeping old stuff working.

Last edited by Head_on_a_Stick (2020-08-05 19:34:03)

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Brianna Ghey — Rest In Power

Vernon

Member

Registered: 2020-07-19

Posts: 89  

Re: Rtl8821ce new backports support

...
If you do need the backported kernel then be sure to leave the repository enabled so that it's updated. I've had too many arguments about this over at the MX forums but I'm definitely right

...

Thanks. I assume you would want to disable the repository when  upgrading to a new release?

Last edited by Vernon (2020-08-05 23:48:05)

Head_on_a_Stick

Member

From: London

Registered: 2019-03-24

Posts: 3,125  

Website

Re: Rtl8821ce new backports support

It doesn't matter actually, the tilde in the package name means that APT will treat it as older than the versions from the new release even if they are technically the same. But having an oldstable-backports repository makes no sense so it should be removed.

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Brianna Ghey — Rest In Power

Vernon

Member

Registered: 2020-07-19

Posts: 89  

Re: Rtl8821ce new backports support

Thanks!