17:34 <marcan> the image as built will have a real grub config with static UUIDs
17:35 <marcan> well, a systemd early unit but yes
+
+{
+ "os_list": [
+ {
+ "name": "Asahi Linux reference distro (Arch Linux ARM)",
+ "default_os_name": "Asahi Linux",
+ "boot_object": "m1n1_uboot.bin",
+ "package": "asahi-alarm.zip",
+ "partitions": [
+ {
+ "name": "EFI",
+ "type": "EFI",
+ "size": "512MB",
+ "format": "fat",
+ "volume_id": "0x03f103f1",
+ "copy_firmware": true,
+ "copy_installer_data": true,
+ "source": "esp"
+ },
+ {
+ "name": "Root",
+ "type": "Linux",
+ "size": "5GB",
+ "expand": true,
+ "image": "root.img"
+ }
+ ]
+ },
+ {
+ "name": "UEFI environment only (m1n1 + U-Boot + ESP)",
+ "default_os_name": "UEFI boot",
+ "boot_object": "m1n1_uboot.bin",
+ "partitions": [
+ {
+ "name": "EFI",
+ "type": "EFI",
+ "size": "512MB",
+ "format": "fat",
+ "copy_firmware": true,
+ "copy_installer_data": true
+ }
+ ]
+ },
+ {
+ "name": "Tethered boot (m1n1, for development)",
+ "default_os_name": "m1n1 proxy",
+ "expert": true,
+ "boot_object": "m1n1.bin",
+ "partitions": []
+ }
+ ]
+}
+
+cloud-initramfs-growroot
+16:00 < Glanzmann> So applying a new uuid to the rootfs needs to be done in the initrd.
+tune2fs -U random /dev/whatever
+
+07:54 < VinDuv> So I’ve been looking at how macOS installation from USB works on M1 Macs and I think it might be interesting for the Asashi installer. The way it works is that there’s a hidden plist file on the USB drive that references a macOS
+ application on the drive; if this file is present, the USB drive will show up in the power-button-held boot menu, and when selected, it will run the application. It doesn’t seem to care about file signature
+07:54 < VinDuv> (it works even if the app is just a shell script) and it looks like it’s in 1TR mode.
+07:56 < VinDuv> So the installation workflow from 1TR could be “plug in a USB stick, hold the power button, select Install Asahi” instead of having to manually open the terminal and run curl | sh. The installer doesn’t even need to be graphical since
+ it’s possible for the launched shell script to start the recovery environment’s Terminal and giving it an arbitrary command to run.
+07:59 < VinDuv> This is also not limited to external USB drives; it also works if the files are in an APFS volume in internal storage, which I guess might be useful to have a Asahi Recovery boot option in the boot menu or something.
+
+---- .IAPhysicalMedia ---------------------------------------------------------
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+ <key>AppName</key>
+ <string>Some App.app</string>
+ <key>ProductBuildVersion</key>
+ <string>00A191</string>
+ <key>ProductVersion</key>
+ <string>12.2.1</string>
+</dict>
+</plist>
+
+---- Some App.app/Contents/Info.plist -----------------------------------------
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+ <key>CFBundleDisplayName</key>
+ <string>Some App</string>
+ <key>CFBundleExecutable</key>
+ <string>SomeApp</string>
+</dict>
+</plist>
+
+---- Some App.app/Contents/Resources/<lang code>.lproj/InfoPlist.strings ------
+"CFBundleDisplayName" = "Some App";
+
+---- Some App.app/Contents/MacOS/SomeApp (executable) -------------------------
+#!/bin/bash
+exec /System/Applications/Utilities/Terminal.app/Contents/MacOS/Terminal "${0%/*}/../Resources/myscript.command"
+
+---- Some App.app/Contents/Resources/myscript.command -------------------------
+#!/bin/sh
+
+echo "Hello, world!"
+exec /bin/bash
+
+
+19:14 <VinDuv> marcan: I have done a bit more testing with the .IAPhysicalMedia file and it looks like ProductBuildVersion can be any value including blank. ProductVersion seems to be checked against the minimal macOS version supported by the Mac; on my mini the icon shows up in the boot menu only if it’s >= 11.3.
+19:15 <VinDuv> Maybe it should be set to a higher value for forward compatibility with future Macs that will require 13.0? I’ve tested setting it to 99 and it works.
+
+21:46 < povik> with pulse, you can get the jack by getting into pacmd
+21:46 < povik> and running: load-module module-alsa-sink device=hw:0,1
+21:56 < povik> that mode of playing in parallel through the speakers and jack has a defect
+21:57 < povik> there's noise mixed-in then, at a period
+21:57 < povik> don't know how that happens yet
+
+If you see this in Xorg.0.log, it means that simpledrm has not initialized.
+...
+[ 4.259] (EE) open /dev/dri/card0: No such file or directory
+...
+[ 4.278] (EE)
+[ 4.278] (EE) Backtrace:
+[ 4.278] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x188) [0xaaaad26e0398]
+[ 4.278] (EE) unw_get_proc_info failed: no unwind info found [-10]
+
+An initialized simpledrm looks like that:
+
+(air) [~] dmesg | grep -i simpledrm
+[ 2.215718] [drm] Initialized simpledrm 1.0.0 20200625 for be2120000.framebuffer on minor 0
+[ 2.218952] simple-framebuffer be2120000.framebuffer: [drm] fb1: simpledrmdrmfb frame buffer device
+
+This is probably because someone forgot to enable one of the following kernel options:
+
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_GPIO=m
+CONFIG_DRM=y
+CONFIG_DRM_SIMPLEDRM=y
+CONFIG_FB_EFI=n
+
+-------------------------------------------------------------------------------------------------------------
+Howto convert from the old bootchain to the m1n1 chainloaded bootchain:
+
+(air) [~] parted /dev/nvme0n1 print
+Model: APPLE SSD AP0512Q (nvme)
+Disk /dev/nvme0n1: 500GB
+Sector size (logical/physical): 4096B/4096B
+Partition Table: gpt
+Disk Flags:
+
+Number Start End Size File system Name Flags
+ 1 24.6kB 524MB 524MB iBootSystemContainer
+ 2 524MB 400GB 399GB Container
+ 3 400GB 402GB 2501MB
+ 4 402GB 403GB 513MB fat32 boot, esp
+ 5 403GB 495GB 91.8GB ext4 primary
+ 6 495GB 500GB 5369MB RecoveryOSContainer
+
+I deleted partition 4 and 3, run the asahi installer again.
+
+Than I booted debian from the live stick and mounted the root filesystem and the efi file system:
+
+mount /dev/nvme0n1p5 /mnt
+mount /dev/nvme0n1p4 /mnt/boot/efi
+
+Than I bindmounted the rest of it:
+
+mount -t sysfs none /mnt/sys
+mount -t efivarfs none /mnt/sys/firmware/efi/efivars
+mount -t proc none /mnt/proc
+mount -o bind /dev /mnt/dev
+mount -o bind /dev/pts /mnt/dev/pts
+
+Than I changerooted into it:
+
+cd /mnt
+chroot . bin/bash
+
+blkid
+# Than I updated /etc/fstab with the new id of the efi partition
+
+curl -sLo /boot/efi/m1n1/boot.bin tg.st/u/u-boot.bin
+
+grub-install --removable /boot/efi
+
+exit, umounted everything and rebooted.
+-------------------------------------------------------------------------------------------------------------
+12:41 < chadmed> https://gist.github.com/chadmed/2c772c8fdac8280cb17846388203a213 <- some notes on the speaker system in the j314s, and an asound.conf that makes them sound... okay-ish for now
+
+## BEGIN NOTES ##
+
+# HOUSEKEEPING
+# All testing conducted with channels set to 40% in alsamixer,
+# with no amp gain.
+
+# Do NOT try to play sound with the speakers set to 100% in alsamixer,
+# you will fry the cones!
+
+# DRIVER MAPPINGS/ALSA QUIRKS
+# The speaker array as set up by the ASoC driver maps like
+# this on a J314s:
+# 0: Left Woofer 1
+# 1: Right Woofer 1
+# 2: Left Tweeter
+# 3: Right Tweeter
+# 4: Left (Sub)Woofer 2
+# 5: Right (Sub)Woofer 2
+
+# ALSA sets up the speaker array on the J314s as a 4.0 surround system,
+# with the RL and RR channels duplicated across the woofers like this:
+# 2: Front Left
+# 3: Front Right
+# 0: Rear Left
+# 1: Rear Right
+# 4: Rear Left
+# 5: Rear Right
+
+# Obviously this is not correct, but for us it does not matter, since
+# we can just tell ALSA to route FL and FR to all drivers, presenting
+# it to the rest of userspace as a stereo device. Surround sources
+# are downmixed appropriately.
+
+# SOUND CHECK
+# Testing reveals that drivers 4 and 5 are likely
+# only there to help with bass and sub bass. They
+# are extremely bad at reproducing frequencies above
+# ~500Hz, and even with the help of the tweeters sound
+# rough/deep fried in the mids. Drivers 0 and 1 are obviously
+# intended to be the main woofers in the array.
+
+# If we weren't intending to mimic whatever macOS does, my ear-only
+# testing would have me setting up a xover network like this:
+
+# Freq Range (Hz) | Drivers
+# 0-300 | 0 1 4 5
+# 300-6500 | 0 1
+# 6500-20000 | 2 3
+
+# Figures based on typical {LP,BP,HP}F rolloff characteristics.
+
+# Using all 4 woofers below 300Hz moves more air than just using the
+# (sub)woofers alone. 3-way loudspeakers work like this conventionally.
+
+# The ttable in the j314s-array pcm device tries to compensate for the lack of
+# EQ right now by greatly reducing the volume of 4 and 5, and slightly reducing
+# the volume of 0 and 1 relative to 2 and 3. I have found this gives an acceptably
+# clear sound without being too bright or losing too much out of the mids. Bass is
+# nonexistent, though I suspect this is just because we have not applied appropriate
+# correction to overcome the machine's housing yet. I will not be applying EQ or filtering
+# in ALSA using plugins even in the interim because
+# a) it's deprecated
+# b) it introduces overhead and chews up CPU time
+
+# FIRs can be applied to a 6 channel slave PCM which would then feed the routing table
+# PCM configured below with all coefficients set to 1
+
+## END NOTES ##
+
+# Create a six channel slave for the audio array
+pcm_slave.outputs {
+ pcm "hw:0,0"
+ channels 6
+}
+
+
+# We need to map L and R to the correct drivers. We can use
+# the coefficients in ttable to roughly tune the sound profile.
+pcm.j314s-array {
+ type route
+ slave outputs
+ ttable {
+ 0.0 = 0.65
+ 0.2 = 1
+ 0.4 = 0.3
+ 1.1 = 0.65
+ 1.3 = 1
+ 1.5 = 0.3
+ }
+}
+
+
+# Set up a plug and ctl interface for ALSA defaults
+# XXX: Does not work for PipeWire, but does work for JACK
+# and PulseAudio
+pcm.!default {
+ type plug
+ slave.pcm j314s-array
+}
+
+ctl.!default {
+ type hw
+ card 0
+}
+-------------------------------------------------------------------------------------------------
+
+# Control what happens after power loss
+/sys/devices/platform/soc/23e400000.smc/macsmc-reboot/ac_power_mode
+
+16k bugs
+========
+17:02 < kov> Glanzmann, https://bugs.webkit.org/show_bug.cgi?id=236564
+17:02 < kov> Glanzmann, that is already on the 2.34.6 stable release
+17:03 < kov> the gnome one was unrelated and is from a bunch of months ago, I have not seen any crashes in my testing with debian's gnome so I assume the fix is
+ already in
+17:04 < kov> it's this one https://gitlab.gnome.org/GNOME/gnome-shell/-/commit/be8a1dcbfc7edf19ef13a63ddf034dba814ee000
+
+17:49 < j`ey> marcan: I learnt a new git command just now: git range-diff asahi/asahi-soc/prev..asahi asahi/asahi-soc/next..asahi/asahi good way to compare the
+ new/old branches even after a rebase
+17:49 < j`ey> (where 'asahi' is my local not-yet-updated branch)
projects / m1-debian / blobdiff