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104 lines
5.5 KiB
Markdown
104 lines
5.5 KiB
Markdown
# SIG/AltArch meeting 2023-12-15
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## Attendees:
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* Sherif
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* Bryan
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* Pablo Greco
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* Neil Hanlon
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* Skip Grube
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## Follow Ups
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* Libre Compute - Try/Investigate using vendor tree to build uboot - Pratham
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* Investigate `arm-image-installer` script/tool for helping write disk images for specific boards - Sherif (?)
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* Odroid N2 - Track installability
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* Orange Pi 5 - Track installability
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* Rock5b - Track installability
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* Libre Computing Boards (3)
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* Maintenance - Importing dependencies from Fedora/EPEL
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* Neil is working on this as part of SIG/HPC, too
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* Document process on backporting uboot and kernels - Pablo
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* To include information on how we work and interact with upstreams, with examples! - Sherif
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* Check and investigate which boards have hardcoded grubx64 paths in their uboot; address them
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## Discussions
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* Neil provided Sherif with 2 RPi CM4s (+ IO boards), an RPi5, and a SiFive VF2 (RiscV) at SC23 in November
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* Need to work on integrating SBC and related changes into SIG/Kernel mainline in order to have unified kernel
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* Bryan has tried mainline kernel, but it isn't booting -- ends up in dracut shell.
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* Will figure out how to capture logs via serial
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* Libre Tritium H5
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* It's all Skip's fault
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* 32-bit arm (armhfp/arm7vl) Rocky Port
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* Sherif has some odroid boards from work he can donate
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* Odroid XU4 x2
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* Odroid XU4Q x1 - XU4 w/ massive heatsink
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* Current status (per Pablo)
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* have the full bootstrap up to 9.1; we need to start building atop it
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* need to add Peridot support for armhfp (i can't remember if we included the arch as an option)
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* where will we host the odroid boards from Sherif
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* Most of the SBCs for arm7vl/armhfp are not powerful enough to be good build hosts. Maybe we should try Honeycombs? (Solid-run)
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* Pablo used his honeycomb and a fedora image to do the initial bootstrap builds
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* Neil will reach out to OSU about availability of Lenovo eMAGs for us
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* has neil spoken to Fabian? - No ; Neil will do this
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* RISCv Rocky Port Status
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* Neil - Investigate what and how much riscv hardware we need.. and where we'll host it
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* This probably is going to be a whole bunch of VF2s
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* P670 (16-core - MilkV oasis) would be great, but, upstream support is not yet there. VF2 is a better target for Rocky 9
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* Various conversations happened here but Neil was dealing with keeping all the mice in his house dead. The following is second-hand :)
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* Rpi Kernel - Should it live?
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* We want to get rid of it, but we can't yet. Skip says yes
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* Plan:
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* Build the rpi kernel as a variant of the mainline
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* rpi kernel will be subsumed into kernel-mainline-sbc, not further upstream
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* This will allow more obvious contribution to ELrepo for SBCs
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* RPI image will be replaced with a new GenericArm-SBC image produced by Empanadas which includes kernel-mainline-sbc
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* Next meetings
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* Dec 29 - Cancel.
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* Jan 12 - Keep
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## Action Items
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* Neil to actually make tickets for the follow ups / decisions. But, like, for real this time.
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* Neil to reach out to people re: ARMHFP hardwares
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* Ampere
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* OSUOSL
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* Fabian (arrfab)
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* Neil to figure out what RISCv hardware we need
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* Announce Dec 29th meeting cancelation
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## Old business
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### 2023-10-20
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#### Action Items
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* Libre Compute - Try/Investigate using vendor tree to build uboot - Pratham
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* Investigate `arm-image-installer` script/tool for helping write disk images for specific boards - Sherif (?)
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* Odroid N2 - Track installability
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* Orange Pi 5 - Track installability
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* Rock5b - Track installability
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* Libre Computing Boards (3)
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* Maintenance - Importing dependencies from Fedora/EPEL
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* Document process on backporting uboot and kernels - Pablo
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* To include information on how we work and interact with upstreams, with examples! - Sherif
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* Check and investigate which boards have hardcoded grubx64 paths in their uboot; address them
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* Acquire armhfp (arm7vl) hardware - Neil to reach out to OSU OSL
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* Neil - Investigate what and how much riscv hardware we need.. and where we'll host it
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#### Decisions
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* Images should be generic so as to be able to be installed on any board, where possible.
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* uboot can live on SPI or external flash
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* We need to help document this for our users and have guides on how to get the SBCs working. This is a big pain point for many SBC users as there is so much variation.
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* To this end, we should investigate some tooling to aid in writing images for boards which will boot on the first try.
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* Uboot should similarly be generic and work for all boards, insofar as it is practical to do so.
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* Some boards this doesn't make sense for, e.g., ones that have uboot from 2014 + hundreds of patches, however, these are few and far between. For these, we can package them as RPMs and provide them (see note below re: licensing)
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* We will wait for the next Kernel.org LTS to be cut, as that should have all the changes for the boards we're talking about.
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* We will engage with our upstreams (Fedora, ELRepo, etc) for changes we make with the Kernel SIG for AltArch/SBC support.
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* This necessitates participating in SIG/Kernel to represent our needs in these kernels.
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* We should strive to perform native builds when possible, but recognize that emulation is a necessary evil.
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!!! note "uboot and other licensing"
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We need to ensure that we are careful about the licensing of softwares we wish to include in the SIG distribution.
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