Re: Debian 11 freezes on Dell Latitude e6520

>> On Sun, Dec 26, 2021 at 11:47:27AM +0100, Miguel Ortiz Lombardía
>> > Now, since Debian 11 was released earlier this year, I've been
>> > testing its behaviour on the machine. Unfortunately, even with the
>> > latest live image, including non-free firmware, the test is not
>> > passed. The computer boots well and the graphical interface (I
>> > tried my usual xfce, but also mate) appears neat and working.
>> > However, after a few moments varying from few seconds to no more
>> > than a couple of minutes, the system freezes completely. Impossible
>> > to open a console, there is no answer at all, only physical
>> > shutdown is possible.

On 26.12.21 16:41, Miguel Ortiz Lombardía wrote:
>The computer has 8 Gb memory, a lot more than enough to load the image.
>The graphics are NVIDIA 4200M, with drivers provided, under Debian 10,
>by the legacy deb packages.

apparently this requires nvidia-legacy-390xx-driver and its dependencies.
I have no idea if these are available on live CD.

>Of course, I could try upgrading directly from Debian 10 and rely on
>the backups if something goes wrong. As said, I did that for previous
>releases... but only after having successfully made a test with the live
>image.
>
>But you gave me one idea: I'll try the “standard” live image, without
>any graphics and try to build from that to see what happens.

if you can make the live image to use nvidia-390x driver, it should work.