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Date: Fri, 27 May 2022 08:16:34 +0200
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From: "alice" <alice@ayaya.dev>
To: "Samarul Meu" <samarul.meu@gmail.com>,
 <~alpine/users@lists.alpinelinux.org>
Cc: 
Subject: Re: Can't start neovim
References: <CADH9QNoHup814iMEzuALEOb2RzjoPun0FpJ86Aoyf+254yMHfg@mail.gmail.com>
In-Reply-To: <CADH9QNoHup814iMEzuALEOb2RzjoPun0FpJ86Aoyf+254yMHfg@mail.gmail.com>
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On Fri May 27, 2022 at 6:42 AM CEST, Samarul Meu wrote:
> I am on Alpine 3.16 (upgraded on Wednesday) and yesterday I installed
> neovim. When I try to launch it I only get this `Illegal instruction`
>
> Some more information
>
> $ uname -a
> Linux alpine.cfd 5.15.41-0-lts #1-Alpine SMP Fri, 20 May 2022 21:42:55
> +0000 x86_64 GNU/Linux
>
> $ nvim -v
> NVIM v0.7.0
> Illegal instruction
this is probably because the luajit apkbuild has -msse4.2 for x86_64.
there is already an issue for it[0], not sure i remember why it was set
that way (aside from being recommended).

you can see by crashing it in gdb: =20

gdb nvim
run
(see it crash)
x/3i $pc (last 3 instructions)

(last instructions will have names, look up the one marked with >,
probably an sse4/3 one)

> $ cat /etc/apk/repositories
> http://ftp.halifax.rwth-aachen.de/alpine/latest-stable/main
> http://ftp.halifax.rwth-aachen.de/alpine/latest-stable/community
> @edge http://ftp.halifax.rwth-aachen.de/alpine/edge/main
> @edge http://ftp.halifax.rwth-aachen.de/alpine/edge/community
> @testing http://ftp.halifax.rwth-aachen.de/alpine/edge/testing
(as an aside, you should not mix edge with stable)

> $ doas dmesg | grep nvim
> [  818.148617] traps: nvim[3261] trap invalid opcode ip:7f61f0d819d3
> sp:7fffaad810e0 error:0 in libluajit-5.1.so.2.1.0[7f61f0d6f000+4c000]
> [ 1081.218916] traps: nvim[3461] trap invalid opcode ip:7f8742fa79d3
> sp:7fffcecf42c0 error:0 in libluajit-5.1.so.2.1.0[7f8742f95000+4c000]
> [ 1160.212726] traps: nvim[3522] trap invalid opcode ip:7f65de9b29d3
> sp:7fff3de8ed60 error:0 in libluajit-5.1.so.2.1.0[7f65de9a0000+4c000]
> [ 1163.965717] traps: nvim[3527] trap invalid opcode ip:7f67763929d3
> sp:7ffcc468ead0 error:0 in libluajit-5.1.so.2.1.0[7f6776380000+4c000]
>
>
> Thanks for your help!

[0]: https://gitlab.alpinelinux.org/alpine/aports/-/issues/13688