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[139.178.88.99]) by mx.google.com with ESMTPS id l190-20020a6391c7000000b005cdff0f725bsi11609900pge.80.2023.12.29.07.51.39 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Dec 2023 07:51:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-13151-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@ucw.cz header.s=gen1 header.b=jxp6LpTG; spf=pass (google.com: domain of linux-kernel+bounces-13151-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-13151-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=ucw.cz Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 1DF812847DA for ; Fri, 29 Dec 2023 15:51:39 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C47E9125C5; Fri, 29 Dec 2023 15:51:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b="jxp6LpTG" X-Original-To: linux-kernel@vger.kernel.org Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0F44125A4; Fri, 29 Dec 2023 15:51:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ucw.cz Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 4717D1C0050; Fri, 29 Dec 2023 16:41:37 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1703864497; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=BxMs/kzpNymFcmFDEtEcM/zevTNnwByTQvgBKVE7D2M=; b=jxp6LpTGOCf7KbPks0fFRUE4SxYKGccEBysv8LdiWscTakaMIDroi4NHwDf2w8FFI4yZSH zMZxVMfNMo/K702IKJ7WATTW0SME1RU5olqaoY2WvQ5OKirPl4gsVbU7fLyT5U5uiJIyFZ 9IGs38AK0VzLZzsknjen+w7pz2a/+CU= Date: Fri, 29 Dec 2023 16:41:35 +0100 From: Pavel Machek To: Chris Rankin Cc: LKML , netdev@vger.kernel.org Subject: Re: Does Linux still support UP? Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="70EgRxlTRoKgOZlJ" Content-Disposition: inline In-Reply-To: --70EgRxlTRoKgOZlJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > I have an ancient i586 UP machine that happily runs vanilla Linux > 6.4.16, but which locks up shortly after booting vanilla 6.5.0. The > kernel *seems* to run into trouble as soon as the networking layer > becomes busy. However, its SysRq-S/U/B sequence still seems to work as > expected and so obviously *something* is still responding somewhere. >=20 > This problem still exists in vanilla 6.6.8. >=20 > FWIW I have raised this bug in bugzilla: > https://bugzilla.kernel.org/show_bug.cgi?id=3D218296 Yes, UP should still work. I'm using such machine and intend to continue with that. But it seems more testing would be welcome. And yes, you'll likely need to bisect. Best regards, Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --70EgRxlTRoKgOZlJ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCZY7orwAKCRAw5/Bqldv6 8todAKCibSurY7CjS6hkVxuB6tEcdKxdLACeLH+oqOiHZHCnHVi5lzu8QjNJUkA= =41qP -----END PGP SIGNATURE----- --70EgRxlTRoKgOZlJ--