Acer Chromebook CB5-311 mainline

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Re: Acer Chromebook CB5-311 mainline

Postby reey » Tue Mar 13, 2018 10:54 pm

@haagch
suspend isn't working for me.
Screen becomes black but blue led is still lighting and also I'm not able to wakeup the system again..

@vman
I just suggested a clean install, so we are at the same state ;)


Do you also have some noise in the audio? Not always, but sometimes..
reey
 
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Re: Acer Chromebook CB5-311 mainline

Postby tetris11 » Fri Mar 16, 2018 10:34 am

Hey, just wanted to say that the LPAE kernel is working beautifully on my system, thanks to both you and vman for the helpful tips.

Main steps for noobs like myself:
* Install via the bash script from reey's repo
* Choose 'No' when asked to flash /dev/mmcblk0p7
* Flash /dev/mmcblk0p6 manually with the /boot/kpart image
* Reboot
* Realise I'm only using the 2GB kernel
* Download the PKGBUILD releases from reey's repo https://github.com/reey/PKGBUILDs/releases/
* Install the packages (and downgrade the kernel to the new LPAE one)
* Flash /dev/mmcblk0p6 with the new /boot/kpart image
* Reboot
* Voila, 4G kernel

Thank you so much!
tetris11
 
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Re: Acer Chromebook CB5-311 mainline

Postby reey » Sat Apr 07, 2018 11:21 am

Is someone able to boot 4.16?
I'm getting a black screen..

I don't understand what is causing that black screen in the previous rc versions and now in 4.16..
reey
 
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Re: Acer Chromebook CB5-311 / also unable to boot 4.16

Postby vman » Sat Apr 07, 2018 7:47 pm

$this->bbcode_second_pass_quote('reey', 'I')s someone able to boot 4.16?
I'm getting a black screen..


A few days before the Arch package was out I built a kernel from the final 4.16 sources. I was pretty much using my successful 4.15.7 config... but like you I'm just getting a black screen. This is really frustrating, not seeing anything, and not knowing what is wrong with that kernel! I'd appreciate a config that has kernel messages readable until the login manager starts!
vman
 
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Re: Acer Chromebook CB5-311 mainline

Postby reey » Sun Apr 08, 2018 10:22 pm

reey
 
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Re: Acer Chromebook CB5-311 mainline

Postby haagch » Tue May 01, 2018 10:24 am

In #tegra I heard
$this->bbcode_second_pass_quote('', '&')lt;paulk-gagarine> haagch, if you're interested, I'll soon be launching a project with a build system that supports a bunch of devices, including ARM Chromebooks such as tegra124, with coreboot, EC and Linux support
<paulk-gagarine> also with a wiki to keep track of the status of each component
<paulk-gagarine> haagch, the code is up at http://git.code.paulk.fr/gitweb/?p=libe ... ;a=summary in the meantime

Maybe there are some useful kernel patches in that repo.

Anyway, any progress with 4.16?
Does the webcam work for anyone? I'm using the 4.15 4gb build and it's not working with cheeese/guvcview but I know it did work some time ago.
haagch
 
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Re: Acer Chromebook CB5-311 mainline

Postby reey » Tue May 01, 2018 11:02 am

I'm still receiving a black screen when booting kernel 4.16/4.17.. with the latest versions of those..

On 4.15 my webcam is working with guvcview..
Using this kernel: https://github.com/reey/PKGBUILDs/releases/tag/v4.15.8
reey
 
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Re: Acer Chromebook CB5-311 mainline

Postby vman » Sun May 13, 2018 6:40 pm

$this->bbcode_second_pass_quote('', 'I')'m still receiving a black screen when booting kernel 4.16/4.17


Is there any progress with recent kernels? There are these promising changes about video acceleration previously talked about in this forum...

Generally I'd really like to have the Chromebook switch to a graphics mode where kernel messages are actually visible, so it is possible to see why these Kernels don't boot... does anyone have an idea how that would be possible, or who to ask about it?

Searching around on the net I found some information on a tegrafb framebuffer driver. Apparently that driver in available in some Android Linux kernels: https://android.googlesource.com/kernel/tegra/ [edit] This project seems to be dead. Anyway KMS should apparently be done by the tegra/drm driver? https://github.com/torvalds/linux/blob/ ... /tegra.rst

Could this be helpful? When looking at my kernel log (currently running Linux 4.15) I see that I'm not using a framebuffer, not using KMS:

https://nouveau.freedesktop.org/wiki/KernelModeSetting/
vman
 
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Re: Acer Chromebook CB5-311 mainline

Postby haagch » Sun May 13, 2018 7:46 pm

Wow I'm doing a lot of drive by posts and never reply.

Not sure what's up with my camera. Is there a software switch to enable it?

The best place to ask is probably irc, on freenode #tegra
haagch
 
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Re: Acer Chromebook CB5-311 mainline

Postby vman » Mon Jun 04, 2018 4:18 pm

On #tegra I was first directed to some patches, which I could not apply successfully, then told linux-next should work... but it didn't do it for me. So what I said there is I'd wait for the next kernel, until I'd try again. My plan is to try 4.18 early in the development, and talk to developers on #tegra again, if I can't boot that kernel.
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