Return-Path: Received: from fieldses.org ([173.255.197.46]:33632 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751228AbcFRN35 (ORCPT ); Sat, 18 Jun 2016 09:29:57 -0400 Date: Sat, 18 Jun 2016 09:29:55 -0400 From: "J. Bruce Fields" To: Damjan Georgievski Cc: linux-nfs@vger.kernel.org Subject: Re: nfsd crash with 4.6 and 4.7 (bisected) Message-ID: <20160618132955.GD9980@fieldses.org> References: <20160617191220.GB899@fieldses.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-nfs-owner@vger.kernel.org List-ID: On Sat, Jun 18, 2016 at 12:04:32PM +0200, Damjan Georgievski wrote: > >> I'm experiencing a kernel crash with the kernel nfs daemon in 4.6.1, > >> 4.6.2 and 4.7.0-rc3-g5edb564 > >> 4.5.4 is ok. > >> > >> My server is ArchLinux, nothing special, nfs-server.service enabled, > >> this in exports: > >> /home/nfs/archlinux-rpi > >> 192.168.15.0/24(rw,no_subtree_check,nohide,insecure,no_root_squash,async) > >> > >> The client is a raspberrypi with 4.4.13-2-ARCH kernel, a nfs root, > >> ArchLinuxArm and this kernel cmdline: > >> nfsroot=192.168.15.103:/home/nfs/archlinux-rpi,vers=4.2,proto=tcp,rsize=1048576,wsize=1048576 > >> > >> the crash happens every time I *reboot* the raspberrypi. just booting > >> it in the first place doesn't crash the server. > >> please cc me for other info, since I'm not subscribed. > > > > Could you check latest upstream? I think there's a good chance this is > > fixed by 39a9beab5acb "rpc: share one xps between all backchannels". > > thanks Bruce, > 4.7.0-rc3-gbb96727 seems to work fine. > > I hope this gets submitted to stable too? Yes, the "Cc: stable@vger.kernel.org" should make that happen, though it may take some time for them to get to it. --b.