From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 23 17:21:51 2023 Received: (at 61011) by debbugs.gnu.org; 23 Jan 2023 22:21:51 +0000 Received: from localhost ([127.0.0.1]:55500 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pK5CJ-0003Ax-Aw for submit@debbugs.gnu.org; Mon, 23 Jan 2023 17:21:51 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50034) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pK5CG-0003Ak-S4 for 61011@debbugs.gnu.org; Mon, 23 Jan 2023 17:21:50 -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 ) id 1pK5CA-0001vT-GF; Mon, 23 Jan 2023 17:21:42 -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=ZFfThQ3rJ3aZxBHqustQIU5dqbtnR8l4FM3/UJqmmR8=; b=Wt4E+NrbQ6A5TsbuNrjJ QTYNMBSHezrx4U6TQUXVlFLCoKadHx6hhvhGNul/kTJvDlifVOxql1uDEPU3rvnvg0NmDEUO4LyxW +JO+miMieLbsQ1OzkFMpsppuT+dsTtIRDoJpBv54Oah4dxP+REzE/rhgXOww7Mujb/Aj5SHPChC6u MQOg/RhkSqKNgFmflyP1Fz5uphDkNuXpsD+MmVLrio7oAcp1/qM5b+z0K/L6Xg6upX6hSOquF2TlN xLV8yvs/eEhmRLEYWKe8xKBU/16rQjWkUTsgg5JI+0nx+9TEp2uyYYRxeWKPGQ2GS+0uaQc6uC08c FPlMDFG6cZAdhw==; 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 ) id 1pK5C9-0002Ss-S2; Mon, 23 Jan 2023 17:21:42 -0500 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Josselin Poiret Subject: Re: bug#61011: =?utf-8?Q?=E2=80=98guix?= system =?utf-8?Q?vm?= =?utf-8?Q?=E2=80=99?= spawns QEMU and hangs References: <87sfg245gq.fsf@inria.fr> <87fsc16k7c.fsf@jpoiret.xyz> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Quartidi 4 =?utf-8?Q?Pluvi=C3=B4se?= an 231 de la =?utf-8?Q?R=C3=A9volution=2C?= jour du Perce-neige X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Mon, 23 Jan 2023 23:21:39 +0100 In-Reply-To: <87fsc16k7c.fsf@jpoiret.xyz> (Josselin Poiret's message of "Mon, 23 Jan 2023 21:59:35 +0100") Message-ID: <871qnkzybw.fsf@gnu.org> 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: 61011 Cc: 61011@debbugs.gnu.org, Marius Bakke , Efraim Flashner , Leo Famulari 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: -3.3 (---) Hello, Josselin Poiret skribis: > Leo Famulari writes: > >> On Sun, Jan 22, 2023 at 10:36:21PM +0100, Ludovic Court=C3=A8s wrote: >>> $(guix time-machine --commit=3D9923100a42ffa80f604c1c13a5e999e6a4c151= 46 \ >>> -- system vm gnu/system/examples/bare-bones.tmpl) -m 1024 # Bad! >> >> I can reproduce. >> >> It seems to work fine without '-m 1024', in which case it only has 512 >> MB RAM. > > This is probably due to the following kernel bug [1], which could be > related to the khugepaged hangs I'm getting on my system since 6.1. > > [1] > https://lore.kernel.org/kvm/b8017e09-f336-3035-8344-c549086c2340@kernel.o= rg/=20 Ouch. I=E2=80=99m running 6.1 since January 16th, which is about the time I first experienced the issue. Ludo=E2=80=99.