From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752692AbcFCJRX (ORCPT ); Fri, 3 Jun 2016 05:17:23 -0400 Received: from mail.univention.de ([82.198.197.8]:2854 "EHLO mail.univention.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751802AbcFCJRT (ORCPT ); Fri, 3 Jun 2016 05:17:19 -0400 Subject: Re: kernel BUG at linux-3.16.7-ckt25/fs/dcache.c:2373! To: "J. Bruce Fields" References: <574FE57F.7080209@univention.de> <20160602200201.GA15429@fieldses.org> Cc: linux-fsdevel@vger.kernel.org, "linux-kernel@vger.kernel.org" From: Philipp Hahn X-Enigmail-Draft-Status: N1110 Organization: Univention GmbH Message-ID: <57514B1C.3080506@univention.de> Date: Fri, 3 Jun 2016 11:17:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.8.0 MIME-Version: 1.0 In-Reply-To: <20160602200201.GA15429@fieldses.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Am 02.06.2016 um 22:02 schrieb J. Bruce Fields: > On Thu, Jun 02, 2016 at 09:51:27AM +0200, Philipp Hahn wrote: >> probably during heavy IO our file server crashed on a BUG_ON in dache.c, >> probably triggered by NFS: >> >>> ------------[ cut here ]------------ >>> kernel BUG at /var/build/temp/tmp.BPql4ErveJ/pbuilder/linux-3.16.7-ckt25/fs/dcache.c:2373! ... >> Our kernel is 3.16.7-ckt25 from Debian + ckt26 and ckt27 on top. > > So this is the BUG_ON(!d_unhashed(..)) at the top of __d_rehash? I > don't know the -ckt kernels, and I don't have a BUG at line 2373 of > dcache.c, or something else? Yes, exactly that first line. > There have been a lot of changes in the area since 3.16.7. Too bad. Any concrete hint or should I better spent my time convincing management to install a newer Linux kernel? Anyway, thank you for the response. Philipp