ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion | IRC log http://irclog.whitequark.org/linux-rockchip | Community GH https://github.com/linux-rockchip | Rockchip GH https://github.com/rockchip-linux | ML https://groups.google.com/group/linux-rockchip
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<icecream95> After switching to a non-systemd distro (but same kernel) on my veyron speedy chromebook (rk3288), I've been getting random unrecoverable freezes every hour or so. Any ideas why this is happening?
<icecream95> Here are the interesting parts of kernel logs from a few freezes that I salvaged though pstore: https://gitlab.freedesktop.org/-/snippets/1258/raw
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<robmur01> I've certainly seen the "unexpected interrupt latency" messages on my RK3288 (along with eMMC performance being rubbish - I was thinking the eMMC itself might be starting to fail), but not I2C falling over
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<mps> also emmc driver on rk3399 is buggy
<mps> and not only emmc driver :(
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<Net147> mps: on mainline? what else is buggy?
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<mps> Net147: display freze at random time on rk3399 gru-kevin chromebook
<mps> sound from mpv dosn't play after paused
<mps> maybe some other minor issues which I 'forgot' because accepted them as normal
<Net147> mps: I see. I booted up RK3399 on Linux 5.9 today. USB, capacitive touch display, HDMI, 3D, WiFi, Ethernet, RTC working. Still need to get sound working, just outputs noise on headphone jack.
<mps> ah, yes, I had to make amixer script to set alsa to work properly
<Net147> mps: got a link?
<mps> I can post it to paste service if you want to play with it
<Net147> mps: that would be helpful. thanks.
<mps> that is to play over speakerfone jack, I managed to destroy internal speakers with kernel 5.8 or 5.7
<mps> display worked fine with kernel 5.3 and earlier, but with 5.4 and up it freeze at random time
<Net147> mps: my board uses Realtek rt5651 codec for sound. Not sure if that is same as yours
<mps> I reported bug to mailing list (kernel drm) few months ago and on bugzila.kernel.org few weeks ago but no one fixed it till now
<mps> looks like it does, 6.050635] rk3399-gru-sound sound: rt5514-aif1 <-> ff880000.i2s mapping ok
<mps> similar I mean
<alpernebbi> I've upstreamed an alsa ucm file for gru-kevin, but it isn't released yet and needs a pulseaudio merge request to fully work
<robmur01> as far as I'm aware RT5651 won't work with mainline since there's no machine driver glue to hook up mclk
<mps> huh, why pulseaudio
<robmur01> RK downstream uses a hack to add clock control to the codec driver itself
<alpernebbi> PA doesn't support "conflicting devices" thing yet
<alpernebbi> I mean when it sees this ucm, it can use Speaker+Mic but can't use the others since they conflict with the previous ones
<mps> I don't have PA installed on my machines
<alpernebbi> the MR makes it create 4 profiles {Speaker,Headphones}x{Mic,Headset} then any pair can work
<mps> alpernebbi: if you can send link I would test your ucm
<alpernebbi> the PA mr is postponed to 14.1, here https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/290
<mps> alpernebbi: thanks
<alpernebbi> though things the /usr/share/alsa folder hierarchy has changed a bit on the development version so you might need to correct for that
<alpernebbi> s/things the/things in the/
<mps> ok, will look
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<nomis> does anyone know if there maybe has been some progress regarding usb3 on a rk3328? It unfortunately is dead on my hardware and I have no clue what to do to enable it.
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<robmur01> nomis: it needs patches to enable the host controller, which someone tried to revive recently but don't seem to have made major progress...
<robmur01> ...then it also needs the phy driver, where again some attempts were made to upstream that from the BSP some time ago, but stalled...
<robmur01> ...and then it turns out to need a third piece of the puzzle which is a disgusting bodge to handle the fact that even once you have the phy driver (such that it doesn't die as soon as you unplug anything), it still can't handle USB3 disconnects properly due to other brokenness
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<robmur01> I was thinking I might have a go at pulling a complete patch series together once I got the NanoPi R2S (since the USB3 ethernet is kinda the main point of that board...), given that I've already invested in figuring out what needs to be done, but lately I've been wanting to spend my free time on things that look less like work :)
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