From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06F93C433FE for ; Thu, 30 Sep 2021 14:39:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7DA361A05 for ; Thu, 30 Sep 2021 14:39:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350958AbhI3Olc (ORCPT ); Thu, 30 Sep 2021 10:41:32 -0400 Received: from verein.lst.de ([213.95.11.211]:59885 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349768AbhI3Ol3 (ORCPT ); Thu, 30 Sep 2021 10:41:29 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 9512567373; Thu, 30 Sep 2021 16:39:43 +0200 (CEST) Date: Thu, 30 Sep 2021 16:39:43 +0200 From: Christoph Hellwig To: Anders Roxell Cc: Christoph Hellwig , Linux Kernel Mailing List , linux-fsdevel@vger.kernel.org Subject: Re: regression: kernel panic: 9pnet_virtio: no channels available for device root Message-ID: <20210930143943.GA25714@lst.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 30, 2021 at 11:25:45AM +0200, Anders Roxell wrote: > Hi Christoph, > > I've found a boot regression when ran my allmodconfig kernel on tag v5.15-rc1 > I've bisected it down to commit f9259be6a9e7 ("init: allow mounting > arbitrary non-blockdevice filesystems as root"), see the bisect log > [1]. Please try a kernel with: "init: don't panic if mount_nodev_root failed" included.