From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: guix package: error: build failed: opening lock file?
Date: Fri, 06 Apr 2018 10:35:16 +0200
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In-Reply-To: <87bmewc15q.fsf@gmail.com> (Chris Marusich's message of "Thu, 05
	Apr 2018 23:13:53 -0700")
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To: Chris Marusich <cmmarusich@gmail.com>
Cc: myglc2@gmail.com, help-guix@gnu.org

Hello,

Chris Marusich <cmmarusich@gmail.com> skribis:

> myglc2@gmail.com writes:
>
>> I am running a 'guix system vm' and 'guix package -i' fails ...
>>
>> g1@server17 ~$ guix package -i icecat
>> guix package: error: build failed: opening lock file
>> `/gnu/store/4iznqdzql2cp4l2jkr09jn10xxw861c4-mirrors.lock': Read-only
>> file system
>>
>> Any idea what I am doing wrong? Here are the details ...
>>
>> guix system vm -M 4 -c 4 /home/g1/src/vm/vms/server17/server17.scm
>>
>> sudo /gnu/store/1vnsn52grzvpzrdndv1f3nkf7mdwd5wk-run-vm.sh -name
>> server17 -net
>> tap,ifname=3Dserver17,script=3D/home/g1/src/vm/qemu-ifup,downscript=3D/h=
ome/g1/src/vm/qemu-ifdn
>> -daemonize -display none

No need to run that as root.  :-)

>> TIA - George
>
> I think this is expected behavior.

Yes, it=E2=80=99s a known limitation.

I was thinking we could have the VM talk to the host daemon socket:

  guix system vm config.scm --share=3D/var/guix/daemon-socket

However that doesn=E2=80=99t work, I suppose 9p doesn=E2=80=99t support for=
warding
sockets.

The other option would be to make /gnu/store a writable overlayfs, which
should allow us to run a local guix-daemon with its own store in the VM.

Ludo=E2=80=99.