From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: Re: nfs client doesn't work [was: mmotm 2011-03-31-14-48 uploaded] Date: Mon, 11 Apr 2011 22:40:56 +0200 Message-ID: <4DA36758.4070203@suse.cz> References: <201103312224.p2VMOA5g000983@imap1.linux-foundation.org> <4D96E4C5.2080302@suse.cz> <1302122693.16786.0.camel@lade.trondhjem.org> <4D9D5CC9.2040002@suse.cz> <4DA36722.2020402@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "Myklebust, Trond" , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mm-commits-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ML netdev , linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jiri Slaby To: bjschuma-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org Return-path: In-Reply-To: <4DA36722.2020402-AlSwsSmVLrQ@public.gmane.org> Sender: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org Ccing Bryan On 04/11/2011 10:40 PM, Jiri Slaby wrote: > On 04/07/2011 08:42 AM, Jiri Slaby wrote: >> On 04/06/2011 10:44 PM, Myklebust, Trond wrote: >>> On Sat, 2011-04-02 at 10:56 +0200, Jiri Slaby wrote: >>>> On 03/31/2011 11:48 PM, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org wrote: >>>>> The mm-of-the-moment snapshot 2011-03-31-14-48 has been uploaded to >>>> >>>> Hi, nfs client is defunct in this kernel. Tcpdump says: >>>> 10:51:55.489717 IP 10.20.11.33.759945860 > 10.20.3.2.2049: 132 getattr >>>> fh 0,0/24 >>>> 10:51:55.515927 IP 10.20.3.2.2049 > 10.20.11.33.759945860: reply ok 44 >>>> getattr ERROR: Operation not permitted >>>> 10:51:55.515949 IP 10.20.11.33.921 > 10.20.3.2.2049: Flags [.], ack >>>> 3569361440, win 115, options [nop,nop,TS val 599750 ecr 255058541], >>> length 0 >>>> 10:52:04.130310 IP 10.20.11.33.793500292 > 10.20.3.2.2049: 76 getattr fh >>>> 0,0/24 >>>> 10:52:04.152178 IP 10.20.3.2.2049 > 10.20.11.33.793500292: reply ok 44 >>>> getattr ERROR: Operation not permitted >>>> >>>> If I run the same mount command (mount -oro,intr host:dir mountpoint) >>>> from within a virtual machine with 2.6.38.2 there, everything mounts OK. >>> >>> Does the attached patch help? >> >> No, still the operation not permitted in the tcpdump output and no mount. > > The next tree from 20110411 still doesn't work. The topmost commit in > fs/nfs/namespace.c is: > commit 418875900e3de4831c84f86ae4756690dac5be77 > Author: Bryan Schumaker > Date: Wed Apr 6 14:33:28 2011 -0400 > > NFS: Fix a signed vs. unsigned secinfo bug > > > I bisected it to (in vanilla already): > > 8f70e95f9f4159184f557a1db60c909d7c1bd2e3 is the first bad commit > commit 8f70e95f9f4159184f557a1db60c909d7c1bd2e3 > Author: Bryan Schumaker > Date: Thu Mar 24 17:12:31 2011 +0000 > > NFS: Determine initial mount security > > When sec= is not presented as a mount option, > we should attempt to determine what security flavor the > server is using. > > Signed-off-by: Bryan Schumaker > Signed-off-by: Trond Myklebust > > :040000 040000 8e5a640b37e00f0df21e1d9cd9aff160df2d5938 > 0152daa67bc8d12e32cda5f4a036807d2e380392 M fs > :040000 040000 f74aa33f8597cb82cd0fd7d90d84e0660b7f5804 > 527bc0ca6975cedc7e684b45dc9961f8aaf1207a M include > :040000 040000 87559d2f211ea905343a86c8551b6610dd239891 > 7e4ee0e5eddf12474b6de9e7fdb6218b6165bdb2 M net > > thanks, -- js suse labs -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html