#nixos-aarch64 on 2019-03-17

2018-09-23 16:56 gchristensen changed the topic of #nixos-aarch64 to: Get access to the NixOS Community aarch64 build box: https://github.com/nix-community/aarch64-build-box ... todo: https://hydra.nixos.org/jobset/nixpkgs/trunk#tabs-jobs build box status: https://monitoring.nix.ci/d/hkRCcV0mk/instance-metrics?var-instance=aarch64.nixos.community&orgId=1

03:54 <tom39291> I can see two llvm builds on aarch64 on packet-t2a-3 having hung after building, and eventually timing out: https://hydra.nixos.org/build/89110491 https://hydra.nixos.org/build/90390761

03:55 <tom39291> If you compare each build's logs with the previous successful build, you can see it did manage to perform the build. But timed out after 10h.

03:55 <tom39291> Anyone know of such hanging issues?

03:56 <tom39291> My only aarch64 machine is a rpi, so my ability to reproduce this is limited.

04:24 <tom39291> Looks like this issue isn't new: https://logs.nix.samueldr.com/nixos-aarch64/2018-12-08 https://logs.nix.samueldr.com/nixos-aarch64/2019-02-04

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11:49 <sphalerite> tom39291: I'll see if I can reproduce this on the aarch64 community box

11:56 <gchristensen> maybe the balance isn't right on resource allocation

11:57 <gchristensen> but

11:57 <gchristensen> I'd bet if llvm was marked big-parallel, it'd pass okay

12:42 <sphalerite> gchristensen: why that?

12:42 <sphalerite> gchristensen: it seems odd for it to time out *at the end* of the build because of resource allocation…

12:42 <gchristensen> weird

12:42 <sphalerite> and aren't all our aarch64 builders big-parallel?

12:42 <gchristensen> no

12:42 <gchristensen> 1 machine grants each of its 2 jobs 45 cores

12:43 <gchristensen> another machine grants each of its 85 jobs 1 core

12:43 <sphalerite> aah ok

12:43 <gchristensen> plus some other qualcomm and ampere hw

12:44 <gchristensen> https://github.com/NixOS/nixpkgs/pull/57790

12:44 <{^_^}> #57790 (by grahamc, 13 minutes ago, open): Llvm: mark as big parallel

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19:20 <sphalerite> wooooo nixos running (somewhat) on my nano pi!

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21:33 <tom39291> sphaler: Thank you for looking into this. I'll keep my eye on hydra.

21:57 <sphalerite> tom39291: couldn't reproduce it :/

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