From debbugs-submit-bounces@debbugs.gnu.org Mon Sep 23 00:14:46 2019 Received: (at 36634) by debbugs.gnu.org; 23 Sep 2019 04:14:46 +0000 Received: from localhost ([127.0.0.1]:34820 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iCFkL-0000YO-LV for submit@debbugs.gnu.org; Mon, 23 Sep 2019 00:14:45 -0400 Received: from mail-pg1-f170.google.com ([209.85.215.170]:36471) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iCFkI-0000Y9-VG for 36634@debbugs.gnu.org; Mon, 23 Sep 2019 00:14:44 -0400 Received: by mail-pg1-f170.google.com with SMTP id h17so4712437pgb.3 for <36634@debbugs.gnu.org>; Sun, 22 Sep 2019 21:14:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:in-reply-to:references:user-agent:date :message-id:mime-version; bh=4C/QicWm5FHkojzWKz8qxPLGSqqH8hnMJocqmYAgSno=; b=Q0KJO6698v3VgqVs2HxwSBFhfz4D4I1FAGUYFVSWhtGoTpEu8Onjzd9U6/sLW8Ujeq 3KrtU1XU/FXC9r0DTpk03EmyjQutYIEQmxvqT8Egplw7rUm4+ij/UWU+JNPBBMd4yNLU wgLSSzOk2UuU3fcBisoicYFw8LBFuHVqO7If10BTSa7N5UkbiuGIwxGriEWq12+rPyqI fEaiAXp9ckhZuvCjxeaNn/oS9ODiJApybKSMcZq7Rn2zt4oppGjADo4RPqYImhfVzgf2 RPkf303BrIIE1baGdicVWYI1AYAAzBjtoYdJPLHDhtw3G9tqg9nEVBB7XSBKtkgaGc4o aRsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references :user-agent:date:message-id:mime-version; bh=4C/QicWm5FHkojzWKz8qxPLGSqqH8hnMJocqmYAgSno=; b=sSpM0JM61p0ahF2ixE3sk/6e4FEIdu5nHhu4TB2u8iFDmjZnuDq/T5fksLfBidfAj3 QVeDs2M2vuvuljlQ50yJ7vduNX+FuGPvBSMtC1J0a3pUtsSghqQJ2AX5+rLGfQb/1iWC lzpvorAr2RCFIiR8WoASl++PeB3spZBYga9/wGdVy1c1Nndvyxup05IaCrXTnINvuErN J/1H4a9XDfE3AxSY+JVTwWC4HqqMPhK28svWgpZxWeuIe0k2RT+MF6l/6kyxlEcKbH8P Pz+3pgVLNwWQg1MWrWhtI0Cp02jzgNqav9n3w4BmIeVnlM5KtYn42JZ8wnWxSoe1o20J 3mWw== X-Gm-Message-State: APjAAAWywpETPc5SI538U+8hJwjbF1UweeF6UAR0deQf00rRyV+zxu6h OjOSkZT8RlA3uN6k293llOw= X-Google-Smtp-Source: APXvYqx1oMlowcDBsZl8NSA/UKteF3UKTXfCmqssdyn2QAAz9r2sg8wnKKQeIq1Us6Wl/oHTpqch7A== X-Received: by 2002:a63:4603:: with SMTP id t3mr18320293pga.438.1569212076944; Sun, 22 Sep 2019 21:14:36 -0700 (PDT) Received: from garuda.local ([2601:601:9d80:25b2::f11]) by smtp.gmail.com with ESMTPSA id b5sm14841672pfp.38.2019.09.22.21.14.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Sep 2019 21:14:35 -0700 (PDT) From: Chris Marusich To: Christopher Baines Subject: Re: bug#36634: Virtual Machine Manager (virt-manager) In-Reply-To: <87sgqze1yq.fsf@cbaines.net> (Christopher Baines's message of "Sun, 21 Jul 2019 18:23:25 +0100") References: <255adc32694ef0c22fb789b1eea66a243cffb649.camel@disroot.org> <87sgqze1yq.fsf@cbaines.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) Date: Sun, 22 Sep 2019 21:14:31 -0700 Message-ID: <87wodzir88.fsf@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 36634 Cc: 36634@debbugs.gnu.org, rvgn@disroot.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Christopher Baines writes: > Raghav Gururajan writes: > >> libvirt.libvirtError: Unable to read from >> '/sys/fs/cgroup/unified/machine/cgroup.controllers': No such file or >> directory > > So, I've experienced this too. Even though this is a cgroup thing, I'm > pretty sure this isn't an issue with Linux. > > I've tried reverting the changes in [1], and that seems to solve the > issue. Unfortunately, I don't have any insight in to what's different > between the problematic 5.5.0 release, and the working 5.4.0 release. > > 1: 458fe419232844d2021608d20dcd8f6e095eb2b4 > https://git.savannah.gnu.org/cgit/guix.git/commit/?id=3D458fe419232844d20= 21608d20dcd8f6e095eb2b4 This bug is consistently reproducible. I've found an upstream bug report that is very similar to what we're seeing here, so I've left a comment telling the libvirt maintainers that Guix is also seeing a similar issue: https://bugzilla.redhat.com/show_bug.cgi?id=3D1751120 In the meantime, should we revert to version 5.4.0 in Guix? I'm not sure if there are any security vulnerabilities between 5.4.0 and the most recent release, but this bug is currently preventing me from creating any VMs at all in Guix using virt-manager, which is pretty bad. =2D-=20 Chris --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEy/WXVcvn5+/vGD+x3UCaFdgiRp0FAl2IRqcACgkQ3UCaFdgi Rp2TYw/8CO/v9eUxUp21mG6u13IhxOgGv8exq56SqEIOltooiJUUTl5XQYeGPl6P bvAY/GBWSYIjrE6lwLFEvjoAqz0/I7VjzKPBwIAPkLAQyBVuIbjgMrWp5T0Rz5oI 3KmhgCgFnOGOb21SfUZ+pcLN2nSGViUugs1c/v/oNIeD6QkSPLgrEkklFoBYfbBT NhaFHEPlUnS7QIZ0Jp/SJHy8sNL9hYwQgu7CXILOx2Jj22061MmQfq1xsPUT5+B4 BpBM0e0cfid8qkEZrC+VS9n/KIoCqLwta1acPueXNHyKxADENo1/5A15TcmZ3Xew j4j0CKUXfuYzYOymjA2AoLQrtVwHAA1lnRAnJ81S8tZNwnHVQEvFOiemFRkB0xxX K4kAGOYEjnxhwJSKVl9zx4SCEAnyovTVjYZQ5ryT1YTIpnqtBT3Tqp5klmXMUmUX E0P352usyLCHkGynA1H+WjWWJZ+opigxIeitPLb0hI/kakVYASD7uhAAKTUw9vC5 ipiJDx/0YMsHzTg/2Nnezvi5nCXlilRRiVuV04goaLk/E4aqloA31CCUDg3rk+0k OMAsw/G9qcJGXMbD2LEWGoOWA2+gxsL6xjXPTSNSJvMv29iL7t+S6Uzv5heAmWO/ jLYjHkpdpeRTAfIVF/aAVt4D7Wlpnme3+JIQOwbZnJC3ExgqD0Q= =IcTc -----END PGP SIGNATURE----- --=-=-=--