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Message-ID: <CAJTyqKPUpXoq2PszvyTh=9UEh+9==yCP+jUiwRTHpU-NX1hM7A@mail.gmail.com> Date: Sun, 8 Jun 2014 22:44:35 +0200 From: Mariusz Ceier <mceier+kernel-bugs@...il.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Stephen Hemminger <stephen@...workplumber.org>, mceier+kernel-bugs@...il.com, netdev@...r.kernel.org Subject: Re: Fw: [Bug 77481] New: bridge - 2 call traces and "TCP: out of memory -- consider tuning tcp_mem" No, I haven't - I tried to reproduce this again on the same kernel, but it hasn't triggered yet... so I think unless I have some reproducible steps on this kernel, checking it on newer kernel could return misleading results. On 8 June 2014 21:59, Eric Dumazet <eric.dumazet@...il.com> wrote: > On Sun, 2014-06-08 at 09:53 -0700, Stephen Hemminger wrote: >> >> Begin forwarded message: >> >> Date: Sun, 8 Jun 2014 02:01:29 -0700 >> From: "bugzilla-daemon@...zilla.kernel.org" <bugzilla-daemon@...zilla.kernel.org> >> To: "stephen@...workplumber.org" <stephen@...workplumber.org> >> Subject: [Bug 77481] New: bridge - 2 call traces and "TCP: out of memory -- consider tuning tcp_mem" >> >> >> https://bugzilla.kernel.org/show_bug.cgi?id=77481 >> >> Bug ID: 77481 >> Summary: bridge - 2 call traces and "TCP: out of memory -- >> consider tuning tcp_mem" >> Product: Networking >> Version: 2.5 >> Kernel Version: 3.14.3 >> Hardware: All >> OS: Linux >> Tree: Mainline >> Status: NEW >> Severity: normal >> Priority: P1 >> Component: Other >> Assignee: shemminger@...ux-foundation.org >> Reporter: mceier+kernel-bugs@...il.com >> Regression: No >> >> Yesterday I have configured bridge(br0) between my wifi interface (wlp3s0) and >> ethernet interface(enp4s0) using hostapd, and today in dmesg I found 2 call >> traces, after starting rtorrent on bridge: >> >> [175827.356666] WARNING: CPU: 0 PID: 0 at net/core/stream.c:201 >> sk_stream_kill_queues+0xfe/0x126() >> [175827.356670] Modules linked in: bridge joydev nvidia(PO) >> x86_pkg_temp_thermal coretemp pcspkr nouveau i2c_i801 snd_hda_codec_realtek >> snd_hda_codec_hdmi snd_hda_codec_generic mxm_wmi r8169 mii ttm snd_hda_intel >> snd_hda_codec snd_hwdep rtc_cmos wmi efivarfs xts gf128mul aes_x86_64 >> sha512_generic libiscsi scsi_transport_iscsi tg3 fuse nfs lockd sunrpc jfs >> hid_sunplus hid_sony hid_samsung hid_pl hid_petalynx hid_monterey hid_microsoft >> hid_logitech hid_gyration hid_ezkey hid_cypress hid_chicony hid_cherry >> hid_belkin hid_apple hid_a4tech sl811_hcd aic94xx libsas scsi_transport_sas >> lpfc qla2xxx scsi_transport_fc megaraid_sas megaraid_mbox megaraid_mm megaraid >> aacraid sx8 DAC960 cciss 3w_9xxx 3w_xxxx atp870u dc395x qla1280 dmx3191d >> sym53c8xx gdth advansys initio BusLogic arcmsr aic7xxx aic79xx >> scsi_transport_spi >> [175827.356772] pdc_adma sata_inic162x sata_qstor sata_vsc sata_uli sata_sis >> sata_sx4 sata_via sata_svw sata_sil24 sata_sil sata_promise pata_sl82c105 >> pata_cs5530 pata_cs5520 pata_via pata_jmicron pata_marvell pata_sis >> pata_netcell pata_sc1200 pata_pdc202xx_old pata_triflex pata_atiixp pata_opti >> pata_amd pata_ali pata_it8213 pata_pcmcia pcmcia pcmcia_core pata_ns87415 >> pata_ns87410 pata_serverworks pata_platform pata_artop pata_it821x pata_optidma >> pata_hpt3x2n pata_hpt3x3 pata_hpt37x pata_hpt366 pata_cmd64x pata_efar >> pata_rz1000 pata_sil680 pata_radisys pata_pdc2027x pata_mpiix usbhid >> [175827.356836] CPU: 0 PID: 0 Comm: swapper/0 Tainted: P O >> 3.14.3-gentoo #1 >> [175827.356841] Hardware name: ASUSTeK COMPUTER INC. G56JR/G56JR, BIOS >> G56JR.200 01/13/2014 >> [175827.356845] 0000000000000009 ffff88042ee036f8 ffffffff818532e4 >> 0000000000000103 >> [175827.356853] 0000000000000000 ffff88042ee03738 ffffffff8106c79c >> ffff8803a25607e0 >> [175827.356859] ffffffff816e0bff ffff8803a25606c0 ffff8803a2560838 >> ffff880088bdd8e2 >> [175827.356867] Call Trace: >> [175827.356871] <IRQ> [<ffffffff818532e4>] dump_stack+0x4f/0x7c >> [175827.356887] [<ffffffff8106c79c>] warn_slowpath_common+0x77/0x91 >> [175827.356896] [<ffffffff816e0bff>] ? sk_stream_kill_queues+0xfe/0x126 >> [175827.356903] [<ffffffff8106c7cb>] warn_slowpath_null+0x15/0x17 >> [175827.356910] [<ffffffff816e0bff>] sk_stream_kill_queues+0xfe/0x126 >> [175827.356918] [<ffffffff8171af14>] inet_csk_destroy_sock+0x78/0xfe >> [175827.356925] [<ffffffff8171cf91>] tcp_done+0x78/0x7d >> [175827.356931] [<ffffffff8172581f>] tcp_reset+0x55/0x59 >> [175827.356937] [<ffffffff81726c81>] tcp_rcv_state_process+0xa05/0xab9 >> [175827.356944] [<ffffffff81114560>] ? kfree+0xc7/0x125 >> [175827.356952] [<ffffffff81087612>] ? notifier_call_chain+0x32/0x5c >> [175827.356960] [<ffffffff810ed9d0>] ? put_page+0x12/0x23 >> [175827.356967] [<ffffffff8172c7b6>] tcp_v4_do_rcv+0x2c7/0x313 >> [175827.356973] [<ffffffff8172f1d6>] ? tcp_v4_rcv+0x6b4/0x734 >> [175827.356979] [<ffffffff8172eeb9>] tcp_v4_rcv+0x397/0x734 >> [175827.356986] [<ffffffff81087612>] ? notifier_call_chain+0x32/0x5c >> [175827.356996] [<ffffffffa0616009>] ? rtl8169_start_xmit+0x29a/0x716 [r8169] >> [175827.357003] [<ffffffff810911ad>] ? update_curr+0x89/0xe1 >> [175827.357010] [<ffffffff81711b82>] ip_local_deliver_finish+0x10c/0x1ed >> [175827.357016] [<ffffffff81711d9d>] ip_local_deliver+0x47/0x78 >> [175827.357022] [<ffffffff81711a3f>] ip_rcv_finish+0x29e/0x2d5 >> [175827.357028] [<ffffffff81712075>] ip_rcv+0x2a7/0x316 >> [175827.357035] [<ffffffff816e747d>] __netif_receive_skb_core+0x569/0x5cb >> [175827.357045] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357051] [<ffffffff816e7528>] __netif_receive_skb+0x49/0x5b >> [175827.357058] [<ffffffff816e76e4>] netif_receive_skb_internal+0x56/0x8d >> [175827.357066] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357073] [<ffffffff816e7724>] netif_receive_skb+0x9/0xb >> [175827.357081] [<ffffffffa047d9e6>] br_handle_frame_finish+0x276/0x2e1 >> [bridge] >> [175827.357090] [<ffffffffa04830c7>] br_nf_pre_routing_finish+0x2ad/0x30d >> [bridge] >> [175827.357099] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357107] [<ffffffffa048364e>] br_nf_pre_routing+0x527/0x59f [bridge] >> [175827.357115] [<ffffffff8170c74f>] nf_iterate+0x3f/0x7a >> [175827.357122] [<ffffffff8170c7f8>] nf_hook_slow+0x6e/0x106 >> [175827.357130] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357138] [<ffffffffa047dc35>] br_handle_frame+0x1e4/0x1f9 [bridge] >> [175827.357145] [<ffffffffa047da51>] ? br_handle_frame_finish+0x2e1/0x2e1 >> [bridge] >> [175827.357152] [<ffffffff816e7328>] __netif_receive_skb_core+0x414/0x5cb >> [175827.357158] [<ffffffff816e7528>] __netif_receive_skb+0x49/0x5b >> [175827.357165] [<ffffffff816e76e4>] netif_receive_skb_internal+0x56/0x8d >> [175827.357172] [<ffffffff816e8664>] napi_gro_receive+0x27/0x68 >> [175827.357179] [<ffffffffa06134bc>] rtl8169_poll+0x337/0x4d0 [r8169] >> [175827.357186] [<ffffffff81087612>] ? notifier_call_chain+0x32/0x5c >> [175827.357193] [<ffffffff816e78f0>] net_rx_action+0x6f/0x13e >> [175827.357198] [<ffffffff8106fd7b>] __do_softirq+0xc0/0x1c0 >> [175827.357204] [<ffffffff8106ffe9>] irq_exit+0x38/0x7e >> [175827.357212] [<ffffffff81036dab>] do_IRQ+0xb5/0xd0 >> [175827.357221] [<ffffffff8185baaa>] common_interrupt+0x6a/0x6a >> [175827.357224] <EOI> [<ffffffff81086998>] ? >> __hrtimer_start_range_ns+0x25f/0x27b >> [175827.357237] [<ffffffff8168bbc5>] ? cpuidle_enter_state+0x49/0xac >> [175827.357243] [<ffffffff8168bbbe>] ? cpuidle_enter_state+0x42/0xac >> [175827.357250] [<ffffffff8168bcf0>] cpuidle_idle_call+0xc8/0x111 >> [175827.357256] [<ffffffff8103d666>] arch_cpu_idle+0x9/0x18 >> [175827.357262] [<ffffffff810a83fc>] cpu_startup_entry+0xb5/0x11c >> [175827.357269] [<ffffffff8184c287>] rest_init+0x7b/0x7f >> [175827.357275] [<ffffffff81c02d04>] start_kernel+0x3b4/0x3c1 >> [175827.357281] [<ffffffff81c02757>] ? repair_env_string+0x5a/0x5a >> [175827.357287] [<ffffffff81c0248b>] x86_64_start_reservations+0x2a/0x2c >> [175827.357293] [<ffffffff81c0255a>] x86_64_start_kernel+0xcd/0xd1 >> [175827.357297] ---[ end trace e102d0a9c3759f49 ]--- >> [175827.357336] ------------[ cut here ]------------ >> >> >> [175827.357345] WARNING: CPU: 0 PID: 0 at net/ipv4/af_inet.c:153 >> inet_sock_destruct+0x161/0x1af() >> [175827.357348] Modules linked in: bridge joydev nvidia(PO) >> x86_pkg_temp_thermal coretemp pcspkr nouveau i2c_i801 snd_hda_codec_realtek >> snd_hda_codec_hdmi snd_hda_codec_generic mxm_wmi r8169 mii ttm snd_hda_intel >> snd_hda_codec snd_hwdep rtc_cmos wmi efivarfs xts gf128mul aes_x86_64 >> sha512_generic libiscsi scsi_transport_iscsi tg3 fuse nfs lockd sunrpc jfs >> hid_sunplus hid_sony hid_samsung hid_pl hid_petalynx hid_monterey hid_microsoft >> hid_logitech hid_gyration hid_ezkey hid_cypress hid_chicony hid_cherry >> hid_belkin hid_apple hid_a4tech sl811_hcd aic94xx libsas scsi_transport_sas >> lpfc qla2xxx scsi_transport_fc megaraid_sas megaraid_mbox megaraid_mm megaraid >> aacraid sx8 DAC960 cciss 3w_9xxx 3w_xxxx atp870u dc395x qla1280 dmx3191d >> sym53c8xx gdth advansys initio BusLogic arcmsr aic7xxx aic79xx >> scsi_transport_spi >> [175827.357429] pdc_adma sata_inic162x sata_qstor sata_vsc sata_uli sata_sis >> sata_sx4 sata_via sata_svw sata_sil24 sata_sil sata_promise pata_sl82c105 >> pata_cs5530 pata_cs5520 pata_via pata_jmicron pata_marvell pata_sis >> pata_netcell pata_sc1200 pata_pdc202xx_old pata_triflex pata_atiixp pata_opti >> pata_amd pata_ali pata_it8213 pata_pcmcia pcmcia pcmcia_core pata_ns87415 >> pata_ns87410 pata_serverworks pata_platform pata_artop pata_it821x pata_optidma >> pata_hpt3x2n pata_hpt3x3 pata_hpt37x pata_hpt366 pata_cmd64x pata_efar >> pata_rz1000 pata_sil680 pata_radisys pata_pdc2027x pata_mpiix usbhid >> [175827.357483] CPU: 0 PID: 0 Comm: swapper/0 Tainted: P W O >> 3.14.3-gentoo #1 >> [175827.357486] Hardware name: ASUSTeK COMPUTER INC. G56JR/G56JR, BIOS >> G56JR.200 01/13/2014 >> [175827.357490] 0000000000000009 ffff88042ee037f8 ffffffff818532e4 >> 0000000000000102 >> [175827.357496] 0000000000000000 ffff88042ee03838 ffffffff8106c79c >> ffff8803a2560730 >> [175827.357502] ffffffff8173f483 ffff8803a25606c0 ffff8803a2560838 >> 0000000000000000 >> [175827.357508] Call Trace: >> [175827.357512] <IRQ> [<ffffffff818532e4>] dump_stack+0x4f/0x7c >> [175827.357522] [<ffffffff8106c79c>] warn_slowpath_common+0x77/0x91 >> [175827.357529] [<ffffffff8173f483>] ? inet_sock_destruct+0x161/0x1af >> [175827.357535] [<ffffffff8106c7cb>] warn_slowpath_null+0x15/0x17 >> [175827.357541] [<ffffffff8173f483>] inet_sock_destruct+0x161/0x1af >> [175827.357548] [<ffffffff816d86cb>] __sk_free+0x18/0x10c >> [175827.357553] [<ffffffff816d881c>] sk_free+0x13/0x15 >> [175827.357560] [<ffffffff8172f1ff>] tcp_v4_rcv+0x6dd/0x734 >> [175827.357567] [<ffffffff81087612>] ? notifier_call_chain+0x32/0x5c >> [175827.357575] [<ffffffffa0616009>] ? rtl8169_start_xmit+0x29a/0x716 [r8169] >> [175827.357581] [<ffffffff810911ad>] ? update_curr+0x89/0xe1 >> [175827.357587] [<ffffffff81711b82>] ip_local_deliver_finish+0x10c/0x1ed >> [175827.357593] [<ffffffff81711d9d>] ip_local_deliver+0x47/0x78 >> [175827.357599] [<ffffffff81711a3f>] ip_rcv_finish+0x29e/0x2d5 >> [175827.357605] [<ffffffff81712075>] ip_rcv+0x2a7/0x316 >> [175827.357612] [<ffffffff816e747d>] __netif_receive_skb_core+0x569/0x5cb >> [175827.357620] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357626] [<ffffffff816e7528>] __netif_receive_skb+0x49/0x5b >> [175827.357632] [<ffffffff816e76e4>] netif_receive_skb_internal+0x56/0x8d >> [175827.357640] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357646] [<ffffffff816e7724>] netif_receive_skb+0x9/0xb >> [175827.357653] [<ffffffffa047d9e6>] br_handle_frame_finish+0x276/0x2e1 >> [bridge] >> [175827.357661] [<ffffffffa04830c7>] br_nf_pre_routing_finish+0x2ad/0x30d >> [bridge] >> [175827.357669] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357677] [<ffffffffa048364e>] br_nf_pre_routing+0x527/0x59f [bridge] >> [175827.357684] [<ffffffff8170c74f>] nf_iterate+0x3f/0x7a >> [175827.357691] [<ffffffff8170c7f8>] nf_hook_slow+0x6e/0x106 >> [175827.357699] [<ffffffffa047d770>] ? br_handle_local_finish+0x41/0x41 >> [bridge] >> [175827.357707] [<ffffffffa047dc35>] br_handle_frame+0x1e4/0x1f9 [bridge] >> [175827.357714] [<ffffffffa047da51>] ? br_handle_frame_finish+0x2e1/0x2e1 >> [bridge] >> [175827.357720] [<ffffffff816e7328>] __netif_receive_skb_core+0x414/0x5cb >> [175827.357727] [<ffffffff816e7528>] __netif_receive_skb+0x49/0x5b >> [175827.357733] [<ffffffff816e76e4>] netif_receive_skb_internal+0x56/0x8d >> [175827.357740] [<ffffffff816e8664>] napi_gro_receive+0x27/0x68 >> [175827.357747] [<ffffffffa06134bc>] rtl8169_poll+0x337/0x4d0 [r8169] >> [175827.357754] [<ffffffff81087612>] ? notifier_call_chain+0x32/0x5c >> [175827.357761] [<ffffffff816e78f0>] net_rx_action+0x6f/0x13e >> [175827.357766] [<ffffffff8106fd7b>] __do_softirq+0xc0/0x1c0 >> [175827.357772] [<ffffffff8106ffe9>] irq_exit+0x38/0x7e >> [175827.357778] [<ffffffff81036dab>] do_IRQ+0xb5/0xd0 >> [175827.357785] [<ffffffff8185baaa>] common_interrupt+0x6a/0x6a >> [175827.357788] <EOI> [<ffffffff81086998>] ? >> __hrtimer_start_range_ns+0x25f/0x27b >> [175827.357800] [<ffffffff8168bbc5>] ? cpuidle_enter_state+0x49/0xac >> [175827.357807] [<ffffffff8168bbbe>] ? cpuidle_enter_state+0x42/0xac >> [175827.357813] [<ffffffff8168bcf0>] cpuidle_idle_call+0xc8/0x111 >> [175827.357819] [<ffffffff8103d666>] arch_cpu_idle+0x9/0x18 >> [175827.357824] [<ffffffff810a83fc>] cpu_startup_entry+0xb5/0x11c >> [175827.357830] [<ffffffff8184c287>] rest_init+0x7b/0x7f >> [175827.357836] [<ffffffff81c02d04>] start_kernel+0x3b4/0x3c1 >> [175827.357842] [<ffffffff81c02757>] ? repair_env_string+0x5a/0x5a >> [175827.357848] [<ffffffff81c0248b>] x86_64_start_reservations+0x2a/0x2c >> [175827.357854] [<ffffffff81c0255a>] x86_64_start_kernel+0xcd/0xd1 >> [175827.357858] ---[ end trace e102d0a9c3759f4a ]--- >> >> and out of memory message: >> [183972.519743] TCP: out of memory -- consider tuning tcp_mem >> >> tcp_mem and sockstat: >> >> # cat /proc/sys/net/ipv4/tcp_mem ; cat /proc/net/sockstat >> 376935 502581 753870 >> sockets: used 467 >> TCP: inuse 3 orphan 0 tw 0 alloc 5 mem 753741 >> UDP: inuse 1 mem 1 >> UDPLITE: inuse 0 >> RAW: inuse 0 >> FRAG: inuse 0 memory 0 >> >> After exiting rtorrent stats above didn't change. >> >> # free -m >> total used free shared buffers cached >> Mem: 15908 9873 6035 3 50 8890 >> -/+ buffers/cache: 932 14976 >> Swap: 8175 1 8174 >> >> # sysctl net.ipv4.ip_forward >> net.ipv4.ip_forward = 1 >> >> # uptime >> 00:40:06 up 2 days, 4:45, 8 users, load average: 0,01, 0,15, 0,33 >> >> Hardware: >> Network controller: Intel Corporation Wireless 7260 (rev 73) >> Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI >> Express Gigabit Ethernet Controller (rev 0c) > > Hmm... > > This looks pretty bad. Have you tried a more recent kernel ? > > (v3.14.6 or v3.15) > > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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