#linux-rockchip on 2019-06-02 — irc logs at freenode.irclog.whitequark.org

2017-05-08 04:47 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

00:02 <alyssa> hanetzer: RK3399 but seems device agnostic

00:02 <alyssa> Most basic hellow rodl initramfs still getting "No working init found"

00:02 <hanetzer> alyssa: how are you building? raw kernel source?

00:02 <alyssa> Mm

00:02 <hanetzer> what's the boot firmware?

00:03 <alyssa> depthcharge

00:03 <alyssa> Initramfs is compiled in CONFIG_INITRAMFS_SOURCE

00:03 <alyssa> Which seems to be the problem but it should work

00:03 <hanetzer> does deptcharge not support adding the initramfs to the fit image?

00:03 <alyssa> I didn't think so

00:03 <hanetzer> as in, the initramfs is 'next to' the kernel and dtb and not inside the kernel?

00:04 <hanetzer> hmm.

00:04 <alyssa> I mean maybe

00:04 <alyssa> It is inside the kernel now. Yet it's 0still- not loading/executing

00:05 <hanetzer> dunno what to say then, I've been using linux as a payload. what's your cmdline.txt file?

00:05 <alyssa> console=tty0 cryptdevice=.... root=/dev/mapper/root rootfstype=ext4 ro loglevel=7

00:05 <alyssa> rdinit=/init should be default..?

00:06 <hanetzer> not /sbin/init ?

00:06 <alyssa> It's a ramdisk

00:06 <hanetzer> how is the initrd made? raw, dracut, something else?

00:06 <alyssa> initramfs, not initrd

00:06 <alyssa> And right now, for debug, literally just a folder with a single static printf /init packed with cpio directly

00:06 <alyssa> echo init | cpio -o -H newc | gzip > repacked.cpio.gz

00:07 * hanetzer has never seen this echo init formulation

00:07 <alyssa> "Run /init as init process"

00:07 <alyssa> "Failed to execute /init (error -2)"

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05:18 <EmilKarlson> are you 100% on static?

05:19 <EmilKarlson> https://elixir.bootlin.com/linux/latest/source/include/uapi/asm-generic/errno-base.h#L6

05:19 <alyssa> EmilKarlson: I got it figured out

05:20 <EmilKarlson> ok

05:21 <alyssa> TL;DR was to pack it with depthcharge (in the FIT), not in the kernel (not CONFIG_INITRAMFS_SOURCE), and maybe set rw (?)

05:22 <EmilKarlson> yup, I use fit initrd

05:23 <alyssa> EmilKarlson: With full disk encryption?

05:23 <EmilKarlson> yes

05:23 <alyssa> Nice :)

05:24 <alyssa> Planning to write up my notes somewhere so nobody else has to go through all this again :P

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18:00 <hanetzer> :)

18:00 <hanetzer> EmilKarlson: I too use FIT with my coreboot, but no deptcharge at all :)

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23:27 <alyssa> "rockchip_sound_max98357a_hw_params() doesn't support this sample rate: 44100"

23:27 <alyssa> ASoC: machine hw_params failed: -22

23:27 <alyssa> (Linux 5.1)

23:27 <alyssa> Umm....

23:30 <alyssa> Indeed it does not support 44100 per the kernel. *blink* Audio was fine on 5.0 uhhh

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23:30 <alyssa> Sure enough, if I force --audio-samplerate=48000 in `mpv`, audio plays just fine through the speakers

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23:31 <alyssa> The better question is, why isn't that being negotiated automatically? Who's dropping the ball? Kernel or user?

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23:42 <alyssa> alsa-info causes a kernel panic. Lovely.

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