#47106 - Bubblewrap hates Guix containers 😞

Package	Source(s)		Maintainer(s)
guix		PTS Buildd Popcon

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Message-ID: <2922127e61435e64f95d3d398ef6932a02336188.camel@student.tugraz.at>
Subject: Re: bug#47106: Bubblewrap hates Guix containers
 😞
From: Leo Prikler <leo.prikler@student.tugraz.at>
To: Ludovic Courtès <ludo@gnu.org>
Date: Sat, 13 Mar 2021 12:07:51 +0100
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Hi!
Am Samstag, den 13.03.2021, 11:48 +0100 schrieb Ludovic Courtès:
> Hi!
> 
> Leo Prikler <leo.prikler@student.tugraz.at> skribis:
> 
> > both Epiphany and Eolie (post fixing #47097; will submit patch
> > shortly)
> > fail inside Guix containers with the suggested incantation.  After
> > getting the environment to no longer complain about $DISPLAY by
> > adding
> > `--preserve="XAUTHORITY" --expose=$XAUTHORITY', it repeatedly
> > outputs
> > lines like
> > bwrap: Can't find source path /sys/class: No such file or directory
> > before closing the process altogether.
> 
> What is ‘bwrap’ looking for?  /sys is mounted inside ‘guix
> environment -C’,
> but perhaps it needs something special?
> 
> I suggest running these things (or ‘bwrap’ directly) in ‘strace -f -o
> log’ inside the container to see.
It seems to be 
> openat(AT_FDCWD, "/sys/class/dmi/id/chassis_type", O_RDONLY) = -1
> ENOENT (No such file or directory)
> openat(AT_FDCWD, "/sys/firmware/acpi/pm_profile", O_RDONLY) = -1
> ENOENT (No such file or directory)

I haven't repeated that for all warnings of similar kind, but if I add
`--expose=/sys/block --expose=/sys/class --expose=/sys/bus --
expose=/sys/dev --expose=/sys/devices` to the invocation, I instead get
a warning, that the WebKitWebProcess can't open $DISPLAY.  I'm not sure
how to resolve that one, given that I already had to sneak DISPLAY and
XAUTHORITY into the container, but it's a start.

Regards,
Leo

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#47106 Bubblewrap hates Guix containers 😞