https://amp.reddit.com/r/thinkpad/comments/bzsy42/just_a_sneak_peek_of_my_linux_testing_on_e595/
This thread has some good links. And the review on level techs might be of
use.
On Sun, Jun 16, 2019, 12:00 PM Matt Graham <
mhgraham@crow202.org> wrote:
> I got a new Lenovo E595 laptop. Getting it working with Gentoo is a
> little more involved than I expected it to be. It's a relatively new
> machine, and the older kernel on the latest Gentoo live installation
> medium is not capable of running its graphics card properly. This isn't
> really covered very well in a lot of the things I found, and I had to
> piece together the proper steps from a number of disconnected web pages.
> No search engine seems to be capable of giving installation instructions
> if you search "Linux Lenovo E595"--thanks marketers and spammers.
>
> The most problematic part of the E595 is the Vega Picasso graphics
> card. This is a relatively new thing and requires firmware to run in
> anything but text mode. So, emerge linux-firmware or install whatever
> your distro uses as its firmware package. I had to compile the amdgpu
> module directly into the kernel, and build the "picasso" firmware files
> directly into the kernel as well.
> http://crow202.org/2019/5.1.10.config.gz for the config that I used for
> vanilla 5.1.10.
>
> Though /proc/cpuinfo reports 8 CPUs, don't pass -j8 to make. Compiling
> clang at some point causes multiple instances of the compiler to
> allocate over 1G, and this can hit OOM. Make a swap file and use -j7,
> and it'll work properly.
>
> Sound is slightly strange. The default output is not sane, and
> attempting to play/mpg123 anything resulted in segfaults. I had to put
> this into /etc/asound.conf , and then audio worked perfectly:
>
> defaults.pcm.!card Generic_1
> defaults.pcm.!device 0
>
> Booting: Turn Secure Boot off, then install and use rEFInd.
> https://wiki.gentoo.org/wiki/Refind I have not actually tried booting
> the 'Doze10 installation from this. I hope I won't have to use 'Doze10
> for anything beyond shrinking its filesystem so that there was space for
> Linux.
>
> Also note that the wireless card for this uses the r8822be module, and
> that module is in "staging", so it may not be obvious where to look for
> the darn thing. Despite being in staging, the module has worked fine for
> me so far. Wired Ethernet, USB, keyboard, and mouse are all fine as-is.
> Now I just have to wait for KDE to finish building, and things should be
> just fine.
>
> --
> Crow202 Blog: http://crow202.org/wordpress
> There is no Darkness in Eternity
> But only Light too dim for us to see.
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