On Wed, Oct 28, 2015 at 12:06:02PM +0100, krichy@xxxxxxxxxxxx wrote: > Dear all, > > I am again having some trouble with nfs client. Actually I am > running minidlna over nfs over gre over ipsec configuration, but I > suppose the latter two should not count. > > Minidlna scans the entire directory, reading all files (or just > parts), and while doing it, sometimes the process hangs. > > I could emulate this with reading the first 16k off all files from > nfs, and fortunately the effect is the same. > > After a hang/recovery, no userspace is accessing the nfs right now, > but tcpdump shows repeating requests/replies (attached). Meanwhile > the rpc debug also emits logs. > > # uname -a > Linux k-desktop 4.1.0-2-amd64 #1 SMP Debian 4.1.6-1 (2015-08-23) > x86_64 GNU/Linux > # mount | grep nfs > 10.0.0.2:/home/kh on /remote/kh type nfs (rw,relatime,vers=3,rsize=1024,wsize=1024,namlen=255,hard,nolock,proto=udp,timeo=11,retrans=3,sec=sys,mountaddr=10.0.0.2,mountvers=3,mountport=644,mountproto=udp,local_lock=all,addr=10.0.0.2) rsize=1024,wsize=1024,proto=udp is unusual and not normally what we'd recommend. Is there a reason for not sticking with defaults there? But I don't have any explanation for the hang. --b. > Any suggestions? > > Kojedzinszky Richard > Euronet Magyarorszag Informatika Zrt. > Oct 28 12:02:18 k-desktop kernel: [12237.516020] RPC: 54539 xprt_prepare_transmit > Oct 28 12:02:18 k-desktop kernel: [12237.516022] RPC: 54539 xprt_cwnd_limited cong = 0 cwnd = 256 > Oct 28 12:02:18 k-desktop kernel: [12237.516027] RPC: 54539 xprt_transmit(120) > Oct 28 12:02:18 k-desktop kernel: [12237.516054] RPC: 54539 xmit complete > Oct 28 12:02:22 k-desktop kernel: [12241.932011] RPC: 54539 xprt_timer > Oct 28 12:02:22 k-desktop kernel: [12241.932016] RPC: cong 256, cwnd was 256, now 256 > Oct 28 12:02:22 k-desktop kernel: [12241.932020] RPC: 54539 xprt_prepare_transmit > Oct 28 12:02:22 k-desktop kernel: [12241.932022] RPC: 54539 xprt_cwnd_limited cong = 0 cwnd = 256 > Oct 28 12:02:22 k-desktop kernel: [12241.932027] RPC: 54539 xprt_transmit(120) > Oct 28 12:02:22 k-desktop kernel: [12241.932054] RPC: 54539 xmit complete > Oct 28 12:02:31 k-desktop kernel: [12250.748013] RPC: 54539 xprt_timer > Oct 28 12:02:31 k-desktop kernel: [12250.748018] RPC: cong 256, cwnd was 256, now 256 > Oct 28 12:02:31 k-desktop kernel: [12250.748023] RPC: 54539 xprt_prepare_transmit > Oct 28 12:02:31 k-desktop kernel: [12250.748025] RPC: 54539 xprt_cwnd_limited cong = 0 cwnd = 256 > Oct 28 12:02:31 k-desktop kernel: [12250.748029] RPC: 54539 xprt_transmit(120) > Oct 28 12:02:31 k-desktop kernel: [12250.748058] RPC: 54539 xmit complete > Oct 28 12:02:32 k-desktop kernel: [12251.852014] RPC: 54539 xprt_timer > Oct 28 12:02:32 k-desktop kernel: [12251.852018] RPC: cong 256, cwnd was 256, now 256 > Oct 28 12:02:32 k-desktop kernel: [12251.852021] RPC: 54539 xprt_prepare_transmit > Oct 28 12:02:32 k-desktop kernel: [12251.852023] RPC: 54539 xprt_cwnd_limited cong = 0 cwnd = 256 > Oct 28 12:02:32 k-desktop kernel: [12251.852027] RPC: 54539 xprt_transmit(120) > Oct 28 12:02:32 k-desktop kernel: [12251.852048] RPC: 54539 xmit complete > Oct 28 12:02:35 k-desktop kernel: [12254.060011] RPC: 54539 xprt_timer > Oct 28 12:02:35 k-desktop kernel: [12254.060015] RPC: cong 256, cwnd was 256, now 256 > Oct 28 12:02:35 k-desktop kernel: [12254.060018] RPC: 54539 xprt_prepare_transmit > Oct 28 12:02:35 k-desktop kernel: [12254.060020] RPC: 54539 xprt_cwnd_limited cong = 0 cwnd = 256 > Oct 28 12:02:35 k-desktop kernel: [12254.060023] RPC: 54539 xprt_transmit(120) > Oct 28 12:02:35 k-desktop kernel: [12254.060041] RPC: 54539 xmit complete > Oct 28 12:02:39 k-desktop kernel: [12258.476012] RPC: 54539 xprt_timer > Oct 28 12:02:39 k-desktop kernel: [12258.476016] RPC: cong 256, cwnd was 256, now 256 > Oct 28 12:02:39 k-desktop kernel: [12258.476020] RPC: 54539 xprt_prepare_transmit > Oct 28 12:02:39 k-desktop kernel: [12258.476022] RPC: 54539 xprt_cwnd_limited cong = 0 cwnd = 256 > Oct 28 12:02:39 k-desktop kernel: [12258.476027] RPC: 54539 xprt_transmit(120) > Oct 28 12:02:39 k-desktop kernel: [12258.476052] RPC: 54539 xmit complete -- 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
