Re: Building arm64 guix system image

[Roman Scherer]

Hi Efraim,

that would be great. I'm looking forward to try them out.

Since we are already talking about arm64 here, do you have experience
with transparent huge pages on aarch64?

I would love to get some feedback on this one:

https://lists.gnu.org/archive/html/guix-patches/2023-02/msg00698.html

Do you know if any of the aarch64 build machines configured with a page
size > 4K? If so, I think that patch could help building more packages
on that architecture.

Thanks, Roman.

Efraim Flashner <efraim@flashner.co.il> writes:

> [[PGP Signed Part:Undecided]]
> On Fri, Feb 17, 2023 at 10:29:35AM +0200, Max Brieiev wrote:
>> I want to run Guix on Apple M1 as a Qemu virtual machine.
>>
>> On the Mac machine I run arm64 dedian image. I installed there guix as a
>> package manager. Now I am trying to create a guix system image to use
>> with Qemu, but it fails.
>>
>> Here is what I do:
>>
>>     max@debian:~$ guix system image --system=aarch64-linux -t qcow2 
>> ~/code/guix/gnu/system/examples/bare-bones.tmpl
>>     guix system: warning: Consider running 'guix pull' followed by
>>     'guix system reconfigure' to get up-to-date packages and security 
>> updates.
>>
>>     substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
>>     substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 
>> 100.0%
>>     The following derivations will be built:
>>       /gnu/store/dhknasynfsx9ffsv2m188mmhfvz4l1cl-grub-2.06.drv
>>       /gnu/store/875pz541zymv6vhl0hkfll151jv8sd2p-qemu-minimal-7.2.0.drv
>>       /gnu/store/2vbjnb0f6dzcnvvyaaqjzww0146fpwmj-openbios-qemu-ppc-1.1.drv
>>       /gnu/store/dclmdk80rbqqpix98vh6srhdbgscyiwb-qemu-7.2.0.tar.xz.drv
>>       /gnu/store/g9crxhl9j2pw35kwgx9bdcjg3jrvi77v-linux-libre-6.1.9.drv
>>       /gnu/store/blyj3j5v3p2lh6pj7mw81xjg58d1k4zb-shepherd-0.9.3.drv
>>       /gnu/store/r517qlsjsl877kpjfl9ixay9mzh0n923-grub-efi32-2.06.drv
>>       /gnu/store/pyv1w00f9c0q291qhi6y0911sqlvfcrv-grub-efi-2.06.drv
>>       /gnu/store/875pz541zymv6vhl0hkfll151jv8sd2p-qemu-minimal-7.2.0.drv
>>       /gnu/store/brzpisxg4dkvad07pd95riwn7c8559j6-genimage-15-1.ec44ae0.drv
>>
>>     1.0 MB will be downloaded
>>      alsa-utils-1.2.4  987KiB             4.5MiB/s 00:00 
>> [##################] 100.0%
>>     building 
>> /gnu/store/g9crxhl9j2pw35kwgx9bdcjg3jrvi77v-linux-libre-6.1.9.drv...
>>     building 
>> /gnu/store/2vbjnb0f6dzcnvvyaaqjzww0146fpwmj-openbios-qemu-ppc-1.1.drv...
>>     | 'build' phasebuilder for 
>> `/gnu/store/2vbjnb0f6dzcnvvyaaqjzww0146fpwmj-openbios-qemu-ppc-1.1.drv' 
>> failed with exit code 1
>>     build of 
>> /gnu/store/2vbjnb0f6dzcnvvyaaqjzww0146fpwmj-openbios-qemu-ppc-1.1.drv failed
>>     View build log at 
>> '/var/log/guix/drvs/2v/bjnb0f6dzcnvvyaaqjzww0146fpwmj-openbios-qemu-ppc-1.1.drv.gz'.
>>     cannot build derivation 
>> `/gnu/store/875pz541zymv6vhl0hkfll151jv8sd2p-qemu-minimal-7.2.0.drv': 1 
>> dependencies couldn't be built
>>     guix system: error: build of 
>> `/gnu/store/875pz541zymv6vhl0hkfll151jv8sd2p-qemu-minimal-7.2.0.drv' failed
>>
>>
>> The relevant part of the build log shows the following errors:
>>
>>     Building OpenBIOS for ppc
>>     Building...
>>     error:
>>     
>> /gnu/store/gm5mbaxkqhzafwy0wnimrg53j884glxn-linux-libre-headers-5.10.35/include/asm/sigcontext.h:128:2:
>>  error: unknown type name ‘__u32’
>>       128 |  __u32 size; /* size in bytes of the extra space */
>>           |  ^~~~~
>>     
>> /gnu/store/gm5mbaxkqhzafwy0wnimrg53j884glxn-linux-libre-headers-5.10.35/include/asm/sigcontext.h:129:2:
>>  error: unknown type name ‘__u32’
>>       129 |  __u32 __reserved[3];
>>           |  ^~~~~
>>     
>> /gnu/store/gm5mbaxkqhzafwy0wnimrg53j884glxn-linux-libre-headers-5.10.35/include/asm/sigcontext.h:136:2:
>>  error: unknown type name ‘__u16’
>>       136 |  __u16 vl;
>>           |  ^~~~~
>>     
>> /gnu/store/gm5mbaxkqhzafwy0wnimrg53j884glxn-linux-libre-headers-5.10.35/include/asm/sigcontext.h:137:2:
>>  error: unknown type name ‘__u16’
>>       137 |  __u16 __reserved[3];
>>           |  ^~~~~
>>     make[1]: *** [rules.mak:83: host/kernel/bootstrap.o] Error 1
>>     make[1]: *** Waiting for unfinished jobs....
>>     make[1]: Leaving directory 
>> '/tmp/guix-build-openbios-qemu-ppc-1.1.drv-0/source/obj-ppc'
>>     make: *** [Makefile:19: build] Error 1
>>     error: in phase 'build': uncaught exception:
>>     %exception #<&invoke-error program: "make" arguments: ("-j" "4") 
>> exit-status: 2 term-signal: #f stop-signal: #f>
>>     phase `build' failed after 0.2 seconds
>>     command "make" "-j" "4" failed with status 2
>>
>> I don't know where to look to fix this error. Please, help me.
>>
>> Also, I thought I could find somewhere arm64 guix build, but apparently
>> there is none?
>>
>> I found only a raw image for Pinebook Pro:
>> https://ci.guix.gnu.org/eval/196495
>>
>> But for some reason it says it is x86_64 system, and this confuses me.
>>
>> Thank you in advance.
>
> I have two patches on the core-updates branch that should allow building
> openbios-qemu-ppc from aarch64. I'll try cherry-picking them to master
> and see if that allows building qemu-minimal.

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