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NixOS RISC-V

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NixOS on RISC-V https://wiki.nixos.org/wiki/RISC-V https://pad.lassul.us/NixOS-riscv64-linux https://github.com/orgs/NixOS/teams/risc-v69 Servers

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29 Apr 2026
@rosscomputerguy:matrix.orgTristan RossAre you running on Ubuntu?21:30:36
@rosscomputerguy:matrix.orgTristan Ross I wonder if sysctl -w vm.mmap_min_addr=4096 would fix it 21:31:03
@rosscomputerguy:matrix.orgTristan RossI have seen similar problems before21:31:13
@jammie:matrix.orgJamieMageeYeah, it's an Ubuntu 24.04 based image. Here's the definition: https://github.com/riseproject-dev/riscv-runner-images21:35:20
@rosscomputerguy:matrix.orgTristan RossAh yeah, then it might be the same problem I had with Ubuntu on the DC ROMA II21:43:08
@jammie:matrix.orgJamieMageeOkay, I'll try set that and see if it works21:44:04
@jammie:matrix.orgJamieMageeYep! It's getting farther. Thank you 😁21:54:11
@rosscomputerguy:matrix.orgTristan RossHeh you're welcome. Good thing I documented this on my blog https://tristanxr.com/post/dc-roma-ii-nix/21:55:26
@jammie:matrix.orgJamieMagee Is the longterm fix to rebuild the riscv64 bootstrap tools with -fPIE -pie ? 21:59:50
@rosscomputerguy:matrix.orgTristan RossWell, it should be building with pie. I haven't looked into fixing it but it's certainly a problem that should be fixed.22:00:29
18 Aug 2023
@shados:nixos.devShados joined the room.05:42:58
@misuzu:matrix.orgmisuzu
% cat /proc/mtd                            
dev:    size   erasesize  name
mtd0: 00080000 00001000 "spl"
mtd1: 00010000 00001000 "uboot-env"
mtd2: 00400000 00001000 "uboot"
mtd3: 00a00000 00001000 "reserved-data"

Looks like the visionfive2_fw_payload.img should be flashed to /dev/mtd2 instead of /dev/mtd1

08:29:39
20 Aug 2023
@erremilia:matrix.orgerremilia joined the room.17:53:34
@claesatwork:matrix.orgClaes joined the room.19:27:07
24 Aug 2023
@erremilia:matrix.orgerremilia1000004363.jpg
Download 1000004363.jpg
19:36:55
@erremilia:matrix.orgerremiliaThis should be fun to play with19:37:02
@hive:the-apothecary.clubDagn Hiveoooh nice19:38:17
@hive:the-apothecary.clubDagn Hivesame chip as starfive v2 iirc so it should be somewhat easy to use19:38:37
@erremilia:matrix.orgerremiliaSounds good! Me and my SO mostly got it to play with and just see some Risc-V stuff but it'd be awesome if it turns out to be useful.19:39:52
@raitobezarius:matrix.orgraitobezariuslet us know how it goes19:40:12
@raitobezarius:matrix.orgraitobezariusI ragequit my riscv stuff currently because I will go in vacations soon and had higher priority, but still interested into getting in a place where we can start having remote builders all together19:40:34
25 Aug 2023
@fgaz:matrix.orgfgaz
In reply to @erremilia:matrix.org
sent an image.
Nice, the number of star64+nixos users just doubled!
07:12:19
@fgaz:matrix.orgfgaz By late next month we'll be over a billion 07:12:51
@fgaz:matrix.orgfgaz erremilia: I have a native NixOS image here https://sr.ht/~fgaz/nixos-star64/ 07:13:29
30 Aug 2023
@erremilia:matrix.orgerremiliaCould you compile a 8GB image for me? I haven't been able to get it to compile properly and on your 4GB image it never seems to connect to the internet or anything and haven't had the time to try and hook it up to serial.03:13:48
@fgaz:matrix.orgfgaz erremilia: sure. I'm actually updating the image right now, so I think it'll be ready tomorrow or the day after 13:52:39
@fgaz:matrix.orgfgaz erremilia: the 4GB image should run on 8GB though. make sure you set the dip switches on the right position. both up (= flash) works both for uSD and eMMC with factory firmware. not sure about nvme 14:27:20
@erremilia:matrix.orgerremiliaI manually flashed the sd card instead of doing it like that assuming it'd work14:28:32
@fgaz:matrix.orgfgazwhat do you mean by "manually" and "instead of doing it like that"?14:31:28
@fgaz:matrix.orgfgaz * what do you mean by "manually" and "like that"? "like that" = https://sr.ht/~fgaz/nixos-star64/#flashing? 14:32:42

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