From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752447AbbATWNs (ORCPT ); Tue, 20 Jan 2015 17:13:48 -0500 Received: from bh-25.webhostbox.net ([208.91.199.152]:57446 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751502AbbATWNq (ORCPT ); Tue, 20 Jan 2015 17:13:46 -0500 Date: Tue, 20 Jan 2015 14:13:09 -0800 From: Guenter Roeck To: Sabrina Dubroca Cc: Al Viro , Paul Moore , Stephen Rothwell , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-audit@redhat.com, Richard Guy Briggs Subject: Re: linux-next: Tree for Jan 20 -- Kernel panic - Unable to mount root fs Message-ID: <20150120221309.GA18589@roeck-us.net> References: <20150120185308.53f4af4e@canb.auug.org.au> <20150120165655.GA10904@kria> <4237741.ePaG0Gba6D@sifl> <20150120175135.GA25973@kria> <20150120195432.GH29656@ZenIV.linux.org.uk> <20150120204504.GA309@kria> <20150120210202.GI29656@ZenIV.linux.org.uk> <20150120220823.GB18129@kria> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150120220823.GB18129@kria> User-Agent: Mutt/1.5.23 (2014-03-12) X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-CTCH-PVer: 0000001 X-CTCH-Spam: Unknown X-CTCH-VOD: Unknown X-CTCH-Flags: 0 X-CTCH-RefID: str=0001.0A020206.54BED319.0270,ss=1,re=0.001,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 X-CTCH-Score: 0.001 X-CTCH-ScoreCust: 0.000 X-CTCH-Rules: C_4847, X-CTCH-SenderID: linux@roeck-us.net X-CTCH-SenderID-Flags: 0 X-CTCH-SenderID-TotalMessages: 6 X-CTCH-SenderID-TotalSpam: 0 X-CTCH-SenderID-TotalSuspected: 0 X-CTCH-SenderID-TotalConfirmed: 0 X-CTCH-SenderID-TotalBulk: 0 X-CTCH-SenderID-TotalVirus: 0 X-CTCH-SenderID-TotalRecipients: 0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: mailgid no entry from get_relayhosts_entry X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 20, 2015 at 11:08:23PM +0100, Sabrina Dubroca wrote: > 2015-01-20, 21:58:31 +0000, Al Viro wrote: > > On Tue, Jan 20, 2015 at 10:38:58PM +0100, Sabrina Dubroca wrote: > > > > > [ 1.538646] fn_lookup bsg/0:0:0:0 -2, ffff88001f718000 bsg/0:0:0:0 > > > [ 1.539704] fn_lookup bsg 0, ffff88001f718000 bsg > > > [ 1.540559] fn_lookup bsg/0:0:0:0 -2, ffff88001f718000 bsg/0:0:0:0 > > > [ 1.552611] fn_lookup bsg/1:0:0:0 -2, ffff88001f718000 bsg/1:0:0:0 > > > [ 1.553689] fn_lookup bsg 0, ffff88001f718000 bsg > > > [ 1.554505] fn_lookup bsg/1:0:0:0 -2, ffff88001f718000 bsg/1:0:0:0 > > > [ 1.557554] fn_lookup sda 0, ffff88001f718000 sda > > > [ 1.558368] fn_lookup sda 0, ffff88001f718000 sda > > > [ 1.564190] fn_lookup sda1 0, ffff88001f718000 sda1 > > > [ 1.565008] fn_lookup sda1 0, ffff88001f718000 sda1 > > > [ 1.570751] fn_lookup /dev/ram -2, ffff88001f71a300 /dev/ram > > > [ 1.571786] fn_lookup /dev/root -2, ffff88001f71b480 /dev/root > > > > Nuts... Is reverting just this (do_path_lookup()) part of commit sufficient > > to recover the normal behaviour? > > Yes. > Same on microblaze. Guenter