Ludovic Courtès <ludo@HIDDEN>
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From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN>
To: dan <i@HIDDEN>
Subject: Re: bug#59069: `guix shell -CN' failed to access GPU
References: <87zgd41syf.fsf@HIDDEN> <87fserkusb.fsf@HIDDEN>
<87zgcyu99s.fsf@HIDDEN>
Date: Thu, 10 Nov 2022 16:49:00 +0100
In-Reply-To: <87zgcyu99s.fsf@HIDDEN> (dan's message of "Thu, 10 Nov 2022
23:08:41 +0800")
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Hi!
(Cc: Dave Thompson, the original author of this code.)
As you pointed out on IRC, the problem is that =E2=80=98guix shell -C=E2=80=
=99 provides
/sys whereas =E2=80=98guix shell -CN=E2=80=99 doesn=E2=80=99t.
This stems from this call in (gnu build linux-container), which has
always been there:
(mount-file-systems root mounts
#:mount-/proc? (memq 'pid namespaces)
#:mount-/sys? (memq 'net
namespaces))
This is explained a few lines above:
;; A sysfs mount requires the user to have the CAP_SYS_ADMIN capability in
;; the current network namespace.
(when mount-/sys?
(mount* "none" (scope "/sys") "sysfs"
(logior MS_NOEXEC MS_NOSUID MS_NODEV MS_RDONLY)))
As you noticed with =E2=80=98--expose=3D/sys=E2=80=99, bind-mounting /sys d=
oesn=E2=80=99t work
either (=E2=80=98mount=E2=80=99 fails with EINVAL).
Not sure what to do. Thoughts?
Ludo=E2=80=99.
bug-guix@HIDDEN:bug#59069; Package guix.
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Thu, 10 Nov 2022 10:19:49 -0500 (EST) References: <87zgd41syf.fsf@HIDDEN> <87fserkusb.fsf@HIDDEN> User-agent: mu4e 1.8.11; emacs 29.0.50 From: dan <i@HIDDEN> To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN> Subject: Re: bug#59069: `guix shell -CN' failed to access GPU Date: Thu, 10 Nov 2022 23:08:41 +0800 In-reply-to: <87fserkusb.fsf@HIDDEN> Message-ID: <87zgcyu99s.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 59069 Cc: 59069 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) Ludovic Court=C3=A8s <ludo@HIDDEN> writes: > Could you check with strace what it=E2=80=99s trying to access, both=20 > with and > without =E2=80=98-N=E2=80=99? > > guix shell mesa-utils strace =E2=80=A6 -C -- strace -o /tmp/log.strace= =20 > glxinfo I looked into the strace logs, and found out that it's actually=20 having trouble accessing /sys, which is not available in a '-N'=20 container. I run the following scripts to test: > $ guix shell -C coreutils -- ls / > bin dev etc gnu home proc sys tmp while with the '-N' flag: > $guix shell -CN coreutils --ls / > bin dev etc gnu home proc tmp I have the strace logs in the paste bin, with the line indicating=20 the problem[1][2]. [1]:=20 https://paste.sr.ht/~lizog/950ef117109fb0d34e70a813852cf7cbf04919a6#log-cn.= strace-L585 [2]:=20 https://paste.sr.ht/~lizog/950ef117109fb0d34e70a813852cf7cbf04919a6#log-c.s= trace-L552 --=20 dan
bug-guix@HIDDEN:bug#59069; Package guix.
Full text available.Received: (at 59069) by debbugs.gnu.org; 10 Nov 2022 09:45:24 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Nov 10 04:45:23 2022 Received: from localhost ([127.0.0.1]:41911 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1ot47f-0004Vx-J5 for submit <at> debbugs.gnu.org; Thu, 10 Nov 2022 04:45:23 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49894) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1ot47e-0004Vi-Av for 59069 <at> debbugs.gnu.org; Thu, 10 Nov 2022 04:45:22 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1ot47V-0002o4-F4; Thu, 10 Nov 2022 04:45:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=0Qy00G9R7mY7z+L+dO3/m2INZlqbajudhxRRwh0W3nA=; b=GD5MNvmYQDyCK7ETjjyi YJ92YV1hjazKIC7hRKcvXuPxfSRO4OrRsDvGA9HnhP19AuDlZdk2P/eh36HTynA+KIaT4sE41v/7B fBwzedKE8lA3+SMtzo82soLhAWHIGRthEJHiyRhwocRGTs2NA6wepWsUAOw5UJVwchu057Fe59/iL r1O+nT1CXIfaVTEuPhYZdvPuNBoYbZacR6a+F5aHXBzm4Ra6B5Her3rYhJjX8ucSw3Vkzk1Jm5Hyr 3HGCk1Hx6Jmc9QEiiL/h2b0Qe4GdfZxhrvtSMIgAaYuoxJvYbNP4eTM2sNKFiX2uDYOp7wX5FDa4+ aVc6druYqErKQQ==; Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201] helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1ot47T-0005cJ-7h; Thu, 10 Nov 2022 04:45:13 -0500 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: dan <i@HIDDEN> Subject: Re: bug#59069: `guix shell -CN' failed to access GPU References: <87zgd41syf.fsf@HIDDEN> Date: Thu, 10 Nov 2022 10:45:08 +0100 In-Reply-To: <87zgd41syf.fsf@HIDDEN> (dan's message of "Sun, 06 Nov 2022 14:11:08 +0800") Message-ID: <87fserkusb.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 59069 Cc: 59069 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hi, dan <i@HIDDEN> skribis: > I was trying to run some GUI software in a guix container, and would like= to have GPU access in it. However, I later found out that if I gave netwo= rk access to the container, it seems like unable to properly find the GPU. = The following are the commands that I run and the output I got: Could you check with strace what it=E2=80=99s trying to access, both with a= nd without =E2=80=98-N=E2=80=99? guix shell mesa-utils strace =E2=80=A6 -C -- strace -o /tmp/log.strace gl= xinfo It might be a /dev node, or it might be simply talking to the X server, which requires network access. Thanks, Ludo=E2=80=99.
bug-guix@HIDDEN:bug#59069; Package guix.
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From: dan <i@HIDDEN>
To: bug-guix@HIDDEN
Subject: `guix shell -CN' failed to access GPU
Date: Sun, 06 Nov 2022 14:11:08 +0800
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=2D----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
I was trying to run some GUI software in a guix container, and would like t=
o have GPU access in it. However, I later found out that if I gave network=
access to the container, it seems like unable to properly find the GPU. T=
he following are the commands that I run and the output I got:
=2D ------------------------------without-network-access-------------------=
-----------
$ guix shell -C mesa-utils --expose=3D/tmp/.X11-unix --expose=3D$XAUTHORITY=
--expose=3D/dev/dri --expose=3D/etc/udev -E "DISPLAY|XAUTHORITY" -- glxinf=
o -B
name of display: :1
display: :1 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: AMD (0x1002)
Device: AMD RENOIR (DRM 3.47.0, 5.19.15, LLVM 11.0.0) (0x1638)
Version: 21.3.8
Accelerated: yes
Video memory: 1024MB
Unified memory: no
Preferred profile: core (0x1)
Max core profile version: 4.6
Max compat profile version: 4.6
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.2
Memory info (GL_ATI_meminfo):
VBO free memory - total: 655 MB, largest block: 655 MB
VBO free aux. memory - total: 15305 MB, largest block: 15305 MB
Texture free memory - total: 655 MB, largest block: 655 MB
Texture free aux. memory - total: 15305 MB, largest block: 15305 MB
Renderbuffer free memory - total: 655 MB, largest block: 655 MB
Renderbuffer free aux. memory - total: 15305 MB, largest block: 15305 MB
Memory info (GL_NVX_gpu_memory_info):
Dedicated video memory: 1024 MB
Total available memory: 16487 MB
Currently available dedicated video memory: 655 MB
OpenGL vendor string: AMD
OpenGL renderer string: AMD RENOIR (DRM 3.47.0, 5.19.15, LLVM 11.0.0)
OpenGL core profile version string: 4.6 (Core Profile) Mesa 21.3.8
OpenGL core profile shading language version string: 4.60
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 4.6 (Compatibility Profile) Mesa 21.3.8
OpenGL shading language version string: 4.60
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 21.3.8
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
=2D ------------------------------with-network-access----------------------=
--------
$ guix shell -CN mesa-utils --expose=3D/tmp/.X11-unix --expose=3D$XAUTHORIT=
Y --expose=3D/dev/dri --expose=3D/etc/udev -E "DISPLAY|XAUTHORITY" -- glxin=
fo -B
name of display: :1
libGL error: MESA-LOADER: failed to retrieve device information
libGL error: MESA-LOADER: failed to open amdgpu: /gnu/store/83kzrpczis5s8hn=
3ly9y89mij7ngq4bw-mesa-21.3.8/lib/dri/amdgpu_dri.so: cannot open shared obj=
ect file: No such file or directory (search paths /gnu/store/83kzrpczis5s8h=
n3ly9y89mij7ngq4bw-mesa-21.3.8/lib/dri, suffix _dri)
libGL error: failed to load driver: amdgpu
libGL error: MESA-LOADER: failed to retrieve device information
libGL error: MESA-LOADER: failed to open amdgpu: /gnu/store/83kzrpczis5s8hn=
3ly9y89mij7ngq4bw-mesa-21.3.8/lib/dri/amdgpu_dri.so: cannot open shared obj=
ect file: No such file or directory (search paths /gnu/store/83kzrpczis5s8h=
n3ly9y89mij7ngq4bw-mesa-21.3.8/lib/dri, suffix _dri)
libGL error: failed to load driver: amdgpu
display: :1 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Mesa/X.org (0xffffffff)
Device: llvmpipe (LLVM 11.0.0, 256 bits) (0xffffffff)
Version: 21.3.8
Accelerated: no
Video memory: 30926MB
Unified memory: no
Preferred profile: core (0x1)
Max core profile version: 4.5
Max compat profile version: 4.5
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.2
OpenGL vendor string: Mesa/X.org
OpenGL renderer string: llvmpipe (LLVM 11.0.0, 256 bits)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 21.3.8
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 4.5 (Compatibility Profile) Mesa 21.3.8
OpenGL shading language version string: 4.50
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 21.3.8
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
=2D ------------------------------paste-ends-here--------------------------=
----
The only difference between these two executions are the `-N' flag. I also=
had a look at the related guile code, and it seems like the `-N' flag is o=
nly doing two things:
1. bind several network related files to /etc
2. share network namespace to the container
I've had a few other guix users tested the commands, and they reported the =
similar results.
Some info about my environment:
kernel version: 6.0.7
mesa version: 21.3.8
=2D --=20
dan
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dan <i@HIDDEN>:bug-guix@HIDDEN.
Full text available.bug-guix@HIDDEN:bug#59069; Package guix.
Full text available.
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