From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.15.19]) (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 DEAF12C81 for ; Wed, 24 Nov 2021 07:42:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1637739770; bh=EbW0IA+n4AgWB8WIQE5+yMPYcOyTZmvC9QoUVDdQMCU=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=RMU/D6TLqe2qgyqKVV2cpgiXOmE5sOeCodDvDFejPBkGpVrYMaGAI1iR9em7Ch42R 87d2+mbk9bp3Di0rDqMjbeHhZ9S6d0mQaVHZkdY8cN8l/X0ok+YrR9+wAhXOpDWjPy BMIvvFLSICafhn+0P7v9c7WUT7VFVlS6VmKwv9BY= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from machineone ([84.190.131.218]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MMXQ5-1n6UZB18LP-00JYPa; Wed, 24 Nov 2021 08:42:50 +0100 Message-ID: <18d27a9a8fec36bdc56f879f80bc57a7d7fe7493.camel@gmx.de> Subject: Re: [REGRESSION] Kernel 5.15 reboots / freezes upon ifup/ifdown From: Stefan Dietrich To: Greg KH Cc: stable@vger.kernel.org, regressions@lists.linux.dev Date: Wed, 24 Nov 2021 08:42:49 +0100 In-Reply-To: References: <924175a188159f4e03bd69908a91e606b574139b.camel@gmx.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.5-0ubuntu1 Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:A37Ub6t0RXsEB/IbD58EqXBmSdPjO67HvbJLpUEVNv42KGP6UBG qxOoFcBW5WdEgK1VDPdzFbkZeAyMGUVwI6r7xsqRhlQ0jNLb5sECPbVRs3Qm3aLGU7+Pgh/ 1qkRgnpy4JKs66ZUmZduBVImBzaocYZRFB/RYalYGX/A8A77h6n+tlbp1Of7013bB3nv77q IoWGjTrifB0zuP1iHkpag== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:Rw6an/91BRw=:OO/9ErP4JJ342UAiN8Gc83 SKCp2XmxAx7FFB2FFcdKXZ3PwqRmjgcxK2Ks9U2ga7lLO0H3A289jKPNQo1wdyVRs/K7BA0fi d64ooyanbKVzG3mOjqeIVB9wSRLDA47tGIR5P+yKhR+SDaGDAREj+4NSYWj7y7jzFstEDSiwh JOZNzFbCBULCOuJqSg9bBGTBOxlU2dtsofb1GnGJdMyEZt15CE9DuwlvHCqwOpFlfA3/xLaV+ 9PfxADmoscAJQcj/C7IMiwT4JcmGV+dC+eYFmUKdGDFGgcbo3FbvWKqvILnxJ/up/Z6p2niHI bGP/El0dbFnElQWea1FN0w9TZIXoDgt+g++Yh1Ym9iuEabND3s3RkNQsBVXAbgoMa7WCNZ4Z+ xz3Q4d/pC1YnsYKLvegt/PiZ32J02Y07j2WhUAmeGQ7SBafOVCoult0FMcf4u+Kc3Uyjamp53 LiZn9o/vPyn1T4x8RfWioLZ8musD0/lUGutrBBrpVzC8ypRRcsoJrQg8EKskK6I7EIz1+O+Cx kbv68sMWgoCWxIlQzkcgdYfMFj9AvOT5DktgIFtOwbhWLemoKUIi10nLi3IICP6/GwoPN+vII wBOjvcgkhrT+oE9AD4IYFG06vCRuzeMbuJz/RyMz5+bZ126EtvdNXuBNNArUP63tp2Zaqc7FF vDMf/YRS//BECfXfpciXfR2stC/PVBgLCvoOG9Mp03k0Ml0xWpYcx8isG4DQbNyjVbXzdbgbY qbzGkmLIThX8boeyrQ0gEZxtyl4MfJiOCKG9ajv/NfKWtIx7gybUHtXWmLeYDYp4mpsSh89vp s2UwPkHTejPy73JeCGHxhJk9Zi5Y87w3rx32VAjTsEq9cOh2GU4xk1WlLaPsGeXSBWtZUPEsN C86AWWqRllJ9bFaDmmj1ICY/k71inmVJNoSa5xyxQOv00rmrCNixraBk3ZoIliLUa35151l7N 0NRavZy9Nl6dVpZeF8ZOvxPLpOqdp4G3JrW9aTkZ4zfxXqxEzq8sMw9PdkomfK6yZOr6Oi3TS p3kObYGMtthtqnBTUwKMrmQilIP1JYTfBJktz8oCTzSg3YkK/WFFCAslQgwyP38Suq9wQmXd4 9lXqF4THVdSZjg= Hi Greg, I have never done kernel bisect before so I need to do some reading first. I will report back a.s.a.p. Stefan On Wed, 2021-11-24 at 08:33 +0100, Greg KH wrote: > On Wed, Nov 24, 2021 at 08:28:39AM +0100, Stefan Dietrich wrote: > > Summary: When attempting to rise or shut down a NIC manually or via > > network-manager under 5.15, the machine reboots or freezes. > > > > Occurs with: 5.15.4-051504-generic and earlier 5.15 mainline ( > > https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.15.4/) as well as > > liquorix flavours. > > Does not occur with: 5.14 and 5.13 (both with various flavours) > > Can you use 'git bisect' between 5.14 and 5.15 to find the problem > commit? > > thanks, > > greg k-h