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das_j >
sphalerite: My nix doesn't find the version from the hydra
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sphalerite >
das_j: nix build --argstr system aarch64-linux nixpkgs.linux
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sphalerite >
this works for me on an x86_64 machine which woulnd't even be able to build it…
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sphalerite >
that's on 18.09, just trying with nixos-unstable…
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sphalerite >
ah yes, unstable doesn't have it in the cache :/
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das_j >
I'm on 18.09 though…
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das_j >
sphalerite: If I run that nix build command on my local machine, it just fetches the file from the cache
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sphalerite >
maybe the cache is configured wrong then?
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sphalerite >
`grep -E 'cache|subst' /etc/nix/nix.conf` ?
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sphalerite >
no output = correct
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sphalerite >
extra-substituters or extra-binary-caches defined = correct
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sphalerite >
s/might break/won't use the official binary cache/
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das_j >
sphalerite: On which system would I try that? It's a bit unclear. I'm currently using nixos-rebuild with --target-host
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das_j >
It's also not clear which nixpkgs are used. Does it use my local nixpkgs and channels and then copies the drv files over?
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sphalerite >
das_j: hm, not sure exaclty but I think the one on the aarch64 system is relevant
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das_j >
sphalerite: Strange. I updated to the latest version before running
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samueldr >
it could happen that the channel will update before aarch64 is finished building, and that's not a bug
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samueldr >
(an annoyance, though!)
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das_j >
I'll try it once I get enough motivation to reconnect my pi
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samueldr >
I wonder why there's no actual "aarch64" channels, since anyways we have a jobset for it
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samueldr >
(and I could be mixing up hydra terms)
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das_j >
I'd tell you if I understood the Hydra ;)
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das_j >
But I mean why would there be one? Both the x86 and the aarch64 packages can coexist in the same channel, can't they?
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sphalerite >
current nixos-18.09 has aarch64 linux for me too though
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sphalerite >
das_j: but the nixos-18.09 channel doesn't block on aarch64 stuff being built
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das_j >
So a second channel would be useful, wouldn't it? So the x86 folks don't have to wait for aarch64
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samueldr >
das_j: t'as exactly the reason
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samueldr >
if anything blocking failed on aarch64, it would be annoying for x86_64 users
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samueldr >
(and conversely)
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das_j >
So why isn't there one? Is it a huge effort or did nobody do it yet?
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samueldr >
they can and most likely will eventually point to the same release (IIUC)
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samueldr >
das_j: I'd guess the most likely explanation is: nobody did it
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samueldr >
aarch64 as a first-class citizen is still recent
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samueldr >
(and let's say 1¼-class citizen ;))
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das_j >
So does Eelco need to do it or can another person do it?
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samueldr >
not entirely sure
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samueldr >
another person probably can do it
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samrose >
so, opinions sought: if I am performing dd if=my.bin of=/dev/sdX bs=1024 seek=8 onto an sdcard with the sd-image-aarch64-linux.img on it, once tthat operation is complete, if I mount the partition, I am not seeing my.bin anywhere in there
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samrose >
although dd reports it wrote the files onto there, and strace dd also appears to show that it did
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samrose >
hmm, it must be there, because when I leave out the step, the machine doesn't even try to boot at all
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samrose >
i think my issue is a u-boot issue, because I see "cannot setup simplefb node not found" and "EHCI failed to shut down host controller."
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samrose >
samueldr: you ever run into any of this with the pine64 board?
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Dezgeg >
it's not supposed to show up in the filesystem
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samrose >
Dezgeg: got it. I was wrong on that. The dd if=my.bin of=/dev/sdX bs=1024 seek=8 is definitely working, my problem has something to do with u-boot
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Dezgeg >
yes, sounds like it
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