"Myklebust, Trond" <Trond.Myklebust@xxxxxxxxxx> wrote on 2013/04/17 00:06:51: > > On Tue, 2013-04-16 at 21:07 +0200, Joakim Tjernlund wrote: > > "Myklebust, Trond" <Trond.Myklebust@xxxxxxxxxx> wrote on 2013/04/16 > > 17:36:55: > > > > > From: "Myklebust, Trond" <Trond.Myklebust@xxxxxxxxxx> > > > To: Joakim Tjernlund <joakim.tjernlund@xxxxxxxxxxxx>, > > > Cc: "linux-nfs@xxxxxxxxxxxxxxx" <linux-nfs@xxxxxxxxxxxxxxx> > > > Date: 2013/04/16 17:37 > > > Subject: Re: NFS loop on 3.4.39 > > > > > > On Tue, 2013-04-16 at 12:41 +0200, Joakim Tjernlund wrote: > > > > Here we go again, this time i happened while browsing the Boston news > > on > > > > www.dn.se > > > > Now gvfsd-metadata is turned off(not running at all) and I get: > > > > 10:28:44.616146 IP 192.168.201.44.nfs > 172.20.4.10.3671768838: reply > > ok > > > > 52 getattr ERROR: unk 10024 > > > > > > Part of the reason why you are getting no response to these posts is > > > that you are posting tcpdump-decoded data. Tcpdump still has no support > > > for NFSv4, and therefore completely garbles the output by trying to > > > interpret it as NFSv2/v3. > > > In general, if you are posting network traffic, please record it as > > > binary raw packet data (using the '-w' option on tcdump) so that we can > > > look at the full contents. Either include it as an attachment, or > > > provide us with details on how to download it from an http server. > > > > > > Other information that is needed in order to make sense of NFS bug > > > reports includes: > > > > Thank you Trond, I figured there was something missing but I didn't know > > where to start but here goes: > > > > > > > > - client OS (non-linux) or kernel version (linux) > > Client OS Linux 3.4.39, x86 > > > > > - mount options on the client > > ~ # ypmatch jocke auto.home > > -fstype=nfs,soft devsrv:/mnt/home/jocke > > > > > - server OS (non-linux) or kernel version (linux) > > Server OS Linux 3.4.39, amd64 > > > > > - type of exported filesystem on the server > > XFS > > > > > - contents of /etc/exports on the server > > more /etc/exports > > # /etc/exports: NFS file systems being exported. See exports(5). > > /mnt/home *(rw,async,root_squash,no_subtree_check) > > /mnt/systemtest *(rw,sync,root_squash,no_subtree_check) > > /mnt/TNM *(rw,sync,root_squash,no_subtree_check) > > /tftproot *(rw,async,root_squash,no_subtree_check) > > /mnt/images *(rw,async,no_root_squash,no_subtree_check,insecure) > > /rescue *(ro,async,no_root_squash,no_subtree_check,insecure) > > > > /mnt/home is the one failing > > > > > > > > Please ensure that you always include those in your emails. > > > > nfs.pcap: > > http://ftp-us.transmode.se/get/?id=1bf2561ed2e7d4e379b2936319c82c25 > > > > nfs2.pcap: > > http://ftp-us.transmode.se/get/?id=759c7645248a426720da8e9ba7074040 > > > > nfs3.pcap: > > http://ftp-us.transmode.se/get/?id=051c6d771978b2407e15e96152bd6e66 > > > > nfs4.pcap: > > http://ftp-us.transmode.se/get/?id=5dfab4da6cbbe400697bc1621b541c9f > > > > nfs3.pcap is the gvsd-metadata problem one can find using google, doesn't > > have to be a NFS problem > > The other 3 all come from surfing the www using firefox 17.0.3 > > The nfs2.pcap file and nfs4.pcap seem to show the server returning > NFS4ERR_OLD_STATEID, which usually means that the client has an > OPEN/CLOSE/LOCK or LOCKU... in flight and that while the server has > updated the stateid, the client has not yet received the reply. The > problem is that I see no sign of the OPEN/CLOSE/LOCK/LOCKU... > > The nfs.pcap file is resending a load of LOCK requests that are > receiving NFS4ERR_BAD_STATEID replies. Normally, I'd expect the recovery > engine to kick in and try to recover the OPEN. > > So when you do 'ps -efwww', on any of these clients, do you see a > process with a name containing the server IP address (192.168.201.44)? > > Also, is there anything special in the log when you do 'dmesg -s 90000'? ATM, I cannot reproduce the NFS problem. Don't know what to about it. If it happens again I can start tcpdump but I guess you will miss the initial NFS traffic again in that case. Jocke -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
