<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi Dave, hi list,<div><br></div><div><br></div><div><br>On Sep 27, 2014, at 19:23 , Dave Taht <<a href="mailto:dave.taht@gmail.com">dave.taht@gmail.com</a>> wrote:<br><br><blockquote type="cite">I have thus far been delighted in the stability of 3.10.50-1, </blockquote><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>It proved to be a “keeper” ;)?</div><div><br></div><br><blockquote type="cite">how's it<br>working for all of you?<br></blockquote><div><br></div><div>pretty good:</div><div><br></div><div>root@nacktmulle:~# uptime<br> 11:25:48 up 36 days, 2:16, load average: 0.08, 0.05, 0.05<br>root@nacktmulle:~# <br><br></div><div><br></div><br><blockquote type="cite"><br>In particular I am curious about how well native and hurricane<br>electric ipv6 support is working,<br></blockquote><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>IPv6 by deutsche telekom does only supply a /64 to machines downstream of their combined router-modem, enabling ND and relaying might get IPv^ working on machines connected to cerowrt, but not in the intended way, so I did not configure it this time. Probably due to cerowrt getting a valid IPv6 address for itself but no suitable range via PD or RA (not sure which it should be ;) ) it constantly tries to get something up:</div><div><br></div><div>from log read:</div><div>Sun Sep 28 11:25:46 2014 daemon.notice netifd: wan6 (19537): Command failed: Unknown error<br>Sun Sep 28 11:25:54 2014 daemon.warn odhcpd[11168]: A default route is present but there is no public prefix on sw00 thus we don't announce a default route!<br>Sun Sep 28 11:27:12 2014 daemon.notice netifd: wan6 (19537): Command failed: Unknown error<br>Sun Sep 28 11:27:17 2014 daemon.warn odhcpd[11168]: A default route is present but there is no public prefix on gw10 thus we don't announce a default route!<br>Sun Sep 28 11:28:09 2014 daemon.notice netifd: wan6 (19537): Command failed: Unknown error<br>Sun Sep 28 11:29:03 2014 daemon.notice netifd: wan6 (19537): Command failed: Unknown error<br>Sun Sep 28 11:29:15 2014 daemon.warn odhcpd[11168]: A default route is present but there is no public prefix on se00 thus we don't announce a default route!<br><br></div><div>And these repeat roughly every minute…</div><div><br></div><div>I assume this is what makes ohcpd unhappy (these are rare, 2 in 36 days of uptime):</div><div><br></div><div>[491105.558593] CPU: 0 PID: 1330 Comm: odhcpd Not tainted 3.10.50 #2<br>[491105.558593] task: 838c1e68 ti: 8241e000 task.ti: 8241e000<br>[491105.558593] $ 0 : 00000000 00000001 0000003a 774c3440<br>[491105.558593] $ 4 : 00000011 7fb75808 00000040 00000000<br>[491105.558593] $ 8 : 00000000 7fb75840 fe800000 00000000<br>[491105.558593] $12 : 00000001 00000001 00000000 00000001<br>[491105.558593] $16 : 00402820 0000003a 7fb759a0 7740cd20<br>[491105.558593] $20 : 7fe8f098 00000000 00000000 00000000<br>[491105.558593] $24 : 00000000 77425750 <br>[491105.558593] $28 : 774453a0 7fb73738 7fe8f048 0040280b<br>[491105.558593] Hi : 0000003b<br>[491105.558593] Lo : 000fc173<br>[491105.558593] epc : 00402817 0x402817<br>[491105.558593] Not tainted<br>[491105.558593] ra : 0040280b 0x40280b<br>[491105.558593] Status: 0000fc13<span class="Apple-tab-span" style="white-space:pre"> </span>USER EXL IE <br>[491105.558593] Cause : 00800010<br>[491105.558593] BadVA : 0000003a<br>[491105.558593] PrId : 00019374 (MIPS 24Kc)<br>[491105.558593] Modules linked in: ath9k ath9k_htc ath9k_common iptable_nat ath9k_hw ath pppoe nf_nat_ipv4 nf_conntrack_ipv4 mac80211 cfg80211 xt_u32 xt_time xt_tcpudp xt_tcpmss xt_string xt_statistic xt_state xt_recent xt_quota xt_pkttype xt_physdev xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_hashlimit xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_addrtype xt_TCPMSS xt_REDIRECT xt_LOG xt_IPMARK xt_HL xt_DSCP xt_CT xt_CLASSIFY usbnet ts_kmp ts_fsm ts_bm pptp pppox ppp_async nf_nat_irc nf_nat_ftp nf_defrag_ipv4 nf_conntrack_netlink nf_conntrack_irc nf_conntrack_ftp iptable_raw iptable_mangle iptable_filter ipt_REJECT ipt_MASQUERADE ipt_ECN ip_tables crc_ccitt compat_xtables compat sch_teql sch_tbf sch_sfq sch_sfb sch_red sch_qfq sch_prio sch_pie sch_ns2_codel sch_nfq_codel sch_netem sch_htb sch_gred sch_efq_codel sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp cls_basic act_police act_ipt act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress leds_wndr3700_usb ledtrig_usbdev xt_set ip_set_list_set ip_set_hash_netport ip_set_hash_netiface ip_set_hash_net ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink sr_mod cdrom ip6t_NPT ip6t_MASQUERADE ip6table_nat nf_nat_ipv6 nf_nat ip6t_REJECT ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 pppoatm ppp_generic slhc ip_gre gre ifb nat46 sit ipip ip6_tunnel tunnel6 tunnel4 ip_tunnel vfat fat autofs4 br2684 atm nls_iso8859_2 nls_iso8859_15 nls_iso8859_13 nls_iso8859_1 nls_cp437 ipv6 authenc aead arc4 crypto_blkcipher usb_storage ohci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 crc16 jbd2 mbcache usbcore nls_base usb_common crypto_hash<br>[491105.558593] Process odhcpd (pid: 1330, threadinfo=8241e000, task=838c1e68, tls=774c3440)<br>[491105.558593] Stack : 7fb75824 7fb73758 00000000 7fb757d8 00000000 00000000 00000000 00000000<br>[491105.558593] <span class="Apple-tab-span" style="white-space:pre"> </span> 01ceb3a8 0001000e 00010001 19c0e94c 28924a30 5dbe0006 00060017 0018001f<br>[491105.558593] <span class="Apple-tab-span" style="white-space:pre"> </span> 00080002 ffff000e 00000003 000c4a30 5dbe0000 0e100000 15180004 00000002<br>[491105.558593] <span class="Apple-tab-span" style="white-space:pre"> </span> 00080006 00000000 0024000c 00000001 00000000 00000000 00000000 00000000<br>[491105.558593] <span class="Apple-tab-span" style="white-space:pre"> </span> 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000<br>[491105.558593] <span class="Apple-tab-span" style="white-space:pre"> </span> ...<br>[491105.558593] Call Trace:<br>[491105.558593] <br>[491105.558593] <br>[491105.558593] Code: 1e00 0804 6500 <9a40> 720b 61d0 f123 6318 f0f0 <br><br>Also miniupnpd occasionally gets sad:</div><div><br>[2309796.523437] CPU: 0 PID: 5358 Comm: miniupnpd Not tainted 3.10.50 #2<br>[2309796.523437] task: 8284afc8 ti: 8119e000 task.ti: 8119e000<br>[2309796.523437] $ 0 : 00000000 00000001 000001dd 7734a440<br>[2309796.523437] $ 4 : 00000011 7fe07a68 7fe07cd0 00000000<br>[2309796.523437] $ 8 : 00000000 5e7ffffa a221b7b9 5c220800<br>[2309796.523437] $12 : 4f544944 2e55504e 00000000 00000000<br>[2309796.523437] $16 : 000001dd 000001dd 7fe084b0 77295d20<br>[2309796.523437] $20 : 7fb17c10 00000000 00000000 00000000<br>[2309796.523437] $24 : 00000000 772a39d0 <br>[2309796.523437] $28 : 772ce3a0 7fe079a0 7fb17960 0040a283<br>[2309796.523437] Hi : 00000012<br>[2309796.523437] Lo : 003fdd15<br>[2309796.523437] epc : 0040a28f 0x40a28f<br>[2309796.523437] Not tainted<br>[2309796.523437] ra : 0040a283 0x40a283<br>[2309796.523437] Status: 0000fc13<span class="Apple-tab-span" style="white-space:pre"> </span>USER EXL IE <br>[2309796.523437] Cause : 00800010<br>[2309796.523437] BadVA : 000001dd<br>[2309796.523437] PrId : 00019374 (MIPS 24Kc)<br>[2309796.523437] Modules linked in: ath9k ath9k_htc ath9k_common iptable_nat ath9k_hw ath pppoe nf_nat_ipv4 nf_conntrack_ipv4 mac80211 cfg80211 xt_u32 xt_time xt_tcpudp xt_tcpmss xt_string xt_statistic xt_state xt_recent xt_quota xt_pkttype xt_physdev xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_hashlimit xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_addrtype xt_TCPMSS xt_REDIRECT xt_LOG xt_IPMARK xt_HL xt_DSCP xt_CT xt_CLASSIFY usbnet ts_kmp ts_fsm ts_bm pptp pppox ppp_async nf_nat_irc nf_nat_ftp nf_defrag_ipv4 nf_conntrack_netlink nf_conntrack_irc nf_conntrack_ftp iptable_raw iptable_mangle iptable_filter ipt_REJECT ipt_MASQUERADE ipt_ECN ip_tables crc_ccitt compat_xtables compat sch_teql sch_tbf sch_sfq sch_sfb sch_red sch_qfq sch_prio sch_pie sch_ns2_codel sch_nfq_codel sch_netem sch_htb sch_gred sch_efq_codel sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp cls_basic act_police act_ipt act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress leds_wndr3700_usb ledtrig_usbdev xt_set ip_set_list_set ip_set_hash_netport ip_set_hash_netiface ip_set_hash_net ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink sr_mod cdrom ip6t_NPT ip6t_MASQUERADE ip6table_nat nf_nat_ipv6 nf_nat ip6t_REJECT ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 pppoatm ppp_generic slhc ip_gre gre ifb nat46 sit ipip ip6_tunnel tunnel6 tunnel4 ip_tunnel vfat fat autofs4 br2684 atm nls_iso8859_2 nls_iso8859_15 nls_iso8859_13 nls_iso8859_1 nls_cp437 ipv6 authenc aead arc4 crypto_blkcipher usb_storage ohci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 crc16 jbd2 mbcache usbcore nls_base usb_common crypto_hash<br>[2309796.523437] Process miniupnpd (pid: 5358, threadinfo=8119e000, task=8284afc8, tls=7734a440)<br>[2309796.523437] Stack : 7fe07c45 7fe07a68 7fe07a68 7fe07c68 00000000 7fe07cb0 00000010 00000000<br>[2309796.523437] <span class="Apple-tab-span" style="white-space:pre"> </span> 00000000 00000000 7fb17960 0040a2cd 00000000 363a3134 00000001 000001dd<br>[2309796.523437] <span class="Apple-tab-span" style="white-space:pre"> </span> 00000011 0040a3a5 00000011 7fe07a68 000001dd 00000000 7fe07cb0 00000010<br>[2309796.523437] <span class="Apple-tab-span" style="white-space:pre"> </span> 00000000 00000000 7fe07a24 00000008 00000000 00407a3b 7fe07bf0 772b2b3f<br>[2309796.523437] <span class="Apple-tab-span" style="white-space:pre"> </span> 00000001 00410c9c 7fe07cb0 00000010 007c50dc 00001388 00411368 7fe07d30<br>[2309796.523437] <span class="Apple-tab-span" style="white-space:pre"> </span> ...<br>[2309796.523437] Call Trace:<br>[2309796.523437] <br>[2309796.523437] <br>[2309796.523437] Code: 1e00 06cc 6500 <9a40> 720b 6008 7204 6750 6172 </div><div><br></div><div>But this does not seem to affect the usability of cerowrt much. So overall I am very happy ;)</div><div><br></div><div><br></div><div>Now, I have performed a few netperf-wrapper tests recently and it seems there is something in my system that screws up latency under load roughly every minute (see attached image). Until recemty I believed these to be caused by my MacBooks wireless access, but the attached image is from a test win se00 (also no soft-irq spikes visible on top running on cerowrt). I begin to wonder whether these might be caused by ohcpd’s repeated search for a useable IPv6 link, but I digress.</div><div><br></div><div><img height="207" width="320" apple-width="yes" apple-height="yes" apple-inline="yes" id="20759BC4-9EC2-40C9-933D-D33F4A88B8E6" src="cid:8E5FFA22-59F1-4882-828F-FC6EE0A8237A@home.lan"></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><br><blockquote type="cite">dns and mdns service, and those of you that are routing, how well, all<br>that is holding up?<br></blockquote><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Nothing to report as I have not consciously tested those…</div><div><br></div><div>Best Regards</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Sebastiam</div><div><br></div><blockquote type="cite"><br>-- <br>Dave Täht<br><br><a href="https://www.bufferbloat.net/projects/make-wifi-fast">https://www.bufferbloat.net/projects/make-wifi-fast</a><br>_______________________________________________<br>Cerowrt-devel mailing list<br>Cerowrt-devel@lists.bufferbloat.net<br>https://lists.bufferbloat.net/listinfo/cerowrt-devel<br></blockquote><br></div></body></html>