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Date: Wed, 04 Jan 2012 17:12:01 +0000 From: Chris Boot <bootc@...tc.net> To: "Wyborny, Carolyn" <carolyn.wyborny@...el.com> CC: netdev <netdev@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>, "e1000-devel@...ts.sourceforge.net" <e1000-devel@...ts.sourceforge.net> Subject: Re: e1000e interface hang on 82574L On 03/01/2012 00:02, Wyborny, Carolyn wrote: > > >> -----Original Message----- >> From: netdev-owner@...r.kernel.org [mailto:netdev-owner@...r.kernel.org] >> On Behalf Of Chris Boot >> Sent: Saturday, December 31, 2011 1:32 AM >> To: netdev; lkml; e1000-devel@...ts.sourceforge.net >> Subject: Re: e1000e interface hang on 82574L >> >> On 27 Dec 2011, at 22:01, Chris Boot wrote: >> >>> Hi folks, >>> >>> Another networking issue I've run into, this time with e1000e (Intel >> Corporation 82574L Gigabit). My new VM cluster appears to drop a NIC - >> the port stops responding within Linux and shows the link as being down >> with ethtool. My ISP says 'Ports running Half Duplex or reduced speed' >> on the port. >>> >>> When the port stops working I see this in dmesg: >>> >>> [35481.659629] ------------[ cut here ]------------ >>> [35481.667837] WARNING: at net/sched/sch_generic.c:255 >> dev_watchdog+0xe9/0x148() >>> [35481.676370] Hardware name: X9SCL/X9SCM >>> [35481.684793] NETDEV WATCHDOG: eth2 (e1000e): transmit queue 0 timed >> out >>> [35481.684795] Modules linked in: hmac sha256_generic dlm configfs >> ebtable_nat ebtables acpi_cpufreq mperf cpufreq_stats >> cpufreq_conservative cpufreq_userspace cpufreq_powersave microcode >> xt_NOTRACK ip_set_hash_net act_police cls_basic cls_flow cls_fw cls_u32 >> sch_tbf sch_prio sch_htb sch_hfsc sch_ingress sch_sfq xt_connlimit >> xt_realm xt_addrtype ip_set_hash_ip iptable_raw xt_comment xt_recent >> ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN >> ipt_ecn ipt_CLUSTERIP ipt_ah nf_nat_tftp nf_nat_snmp_basic >> nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc >> nf_nat_h323 nf_nat_ftp ip6_queue nf_nat_amanda xt_set ip_set >> nf_conntrack_tftp nf_conntrack_sip nf_conntrack_sane >> nf_conntrack_proto_udplite nf_conntrack_proto_sctp nf_conntrack_pptp >> nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_netbios_ns >> nf_conntrack_broadcast nf_conntrack_irc nf_conntrack_h323 >> nf_conntrack_ftp ts_kmp nf_conntrack_amanda xt_TPROXY xt_NFLOG >> nfnetlink_log nf_tproxy_core xt_time xt_TCPMSS xt_tcpmss xt_sctp >> xt_policy xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_multiport xt_mark >> xt_mac xt_limit xt_length xt_iprange xt_helper xt_hashlimit xt_DSCP >> xt_dscp xt_dccp xt_connmark xt_CLASSIFY xt_AUDIT ip6t_LOG ip6t_REJECT >> nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack ip6table_raw ipt_LOG >> xt_tcpudp ip6table_mangle xt_state iptable_nat nf_nat nf_conntrack_ipv4 >> nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter >> ip_tables ip6table_filter ip6_tables x_tables bridge stp bonding >> w83627ehf hwmon_vid coretemp sha1_ssse3 sha1_generic crc32c_intel >> aesni_intel cryptd aes_x86_64 aes_generic ipmi_poweroff ipmi_devintf >> ipmi_si ipmi_msghandler vhost_net macvtap macvlan tun drbd lru_cache cn >> loop kvm_intel kvm snd_pcm snd_timer snd iTCO_wdt soundcore psmouse >> snd_page_alloc i2c_i801 i2c_core cdc_acm iTCO_vendor_support joydev >> evdev serio_raw processor button pcspkr thermal_sys ext4 mbcache jbd2 >> crc16 dm_mod raid1 md_mod sd_mod crc_t10dif usb_storage uas usbhid hid >> ahci libahci libata igb ehci_hcd scsi_mod usbcore e1000e dca usb_common >> [last unloaded: scsi_wait_scan] >>> [35481.685740] Pid: 0, comm: swapper/4 Not tainted 3.2.0-rc6+ #4 >>> [35481.685744] Call Trace: >>> [35481.685746]<IRQ> [<ffffffff810467ed>] ? >> warn_slowpath_common+0x78/0x8c >>> [35481.685849] [<ffffffff81046899>] ? warn_slowpath_fmt+0x45/0x4a >>> [35481.685875] [<ffffffff810aeaa0>] ? >> perf_event_task_tick+0x166/0x1ab >>> [35481.686018] [<ffffffff81294219>] ? netif_tx_lock+0x40/0x72 >>> [35481.686090] [<ffffffff8129437a>] ? dev_watchdog+0xe9/0x148 >>> [35481.686136] [<ffffffff81051e58>] ? run_timer_softirq+0x19a/0x261 >>> [35481.686176] [<ffffffff81294291>] ? netif_tx_unlock+0x46/0x46 >>> [35481.686215] [<ffffffff810659bb>] ? timekeeping_get_ns+0xd/0x2a >>> [35481.686286] [<ffffffff8104bdd4>] ? __do_softirq+0xb9/0x177 >>> [35481.686365] [<ffffffff81341d6c>] ? call_softirq+0x1c/0x30 >>> [35481.686530] [<ffffffff8100f841>] ? do_softirq+0x3c/0x7b >>> [35481.686580] [<ffffffff8104c03c>] ? irq_exit+0x3c/0x9a >>> [35481.686742] [<ffffffff81023e58>] ? >> smp_apic_timer_interrupt+0x74/0x82 >>> [35481.686820] [<ffffffff813405de>] ? apic_timer_interrupt+0x6e/0x80 >>> [35481.686826]<EOI> [<ffffffff811ddf49>] ? intel_idle+0xea/0x119 >>> [35481.686991] [<ffffffff811ddf28>] ? intel_idle+0xc9/0x119 >>> [35481.687051] [<ffffffff8125dce3>] ? cpuidle_idle_call+0xec/0x179 >>> [35481.687089] [<ffffffff8100d255>] ? cpu_idle+0xa1/0xe8 >>> [35481.687143] [<ffffffff810706ee>] ? arch_local_irq_restore+0x2/0x8 >>> [35481.687189] [<ffffffff8132d191>] ? start_secondary+0x1d5/0x1db >>> [35481.687234] ---[ end trace 01e9907674757948 ]--- >>> [35481.687817] e1000e 0000:05:00.0: eth2: Reset adapter >>> >>> To try to regain connectivity I bring down the bond and the interface >> (eth2), then unload e1000e. Upon loading the module again: >>> >>> [36021.888962] e1000e: Intel(R) PRO/1000 Network Driver - 1.5.1-k >>> [36021.900258] e1000e: Copyright(c) 1999 - 2011 Intel Corporation. >>> [36021.911446] e1000e 0000:00:19.0: PCI INT A -> GSI 20 (level, low) - >>> IRQ 20 >>> [36021.923204] e1000e 0000:00:19.0: setting latency timer to 64 >>> [36021.923372] e1000e 0000:00:19.0: irq 45 for MSI/MSI-X >>> [36022.202737] e1000e 0000:00:19.0: eth2: (PCI Express:2.5GT/s:Width >> x1) 00:25:90:56:ac:75 >>> [36022.214480] e1000e 0000:00:19.0: eth3: Intel(R) PRO/1000 Network >> Connection >>> [36022.227506] e1000e 0000:00:19.0: eth3: MAC: 10, PHY: 11, PBA No: >> FFFFFF-0FF >>> [36022.239789] e1000e 0000:05:00.0: Disabling ASPM L0s >>> [36022.239805] e1000e 0000:05:00.0: enabling device (0000 -> 0002) >>> [36022.239829] e1000e 0000:05:00.0: PCI INT A -> GSI 16 (level, low) - >>> IRQ 16 >>> [36022.239921] e1000e 0000:05:00.0: setting latency timer to 64 >>> [36022.240963] e1000e 0000:05:00.0: irq 64 for MSI/MSI-X >>> [36022.240995] e1000e 0000:05:00.0: irq 65 for MSI/MSI-X >>> [36022.241028] e1000e 0000:05:00.0: irq 66 for MSI/MSI-X >>> [36022.241596] e1000e 0000:05:00.0: PCI INT A disabled >>> [36022.241606] e1000e: probe of 0000:05:00.0 failed with error -2 >>> [36022.304706] udevd[3634]: renamed network interface eth2 to eth3 >>> >>> I then don't get an eth2 interface. Only a reboot brings the interface >> back. This has happened twice so far on this server in the past week, >> both times using v3.2-rc7-3-g4962516. >>> >>> lspci -vnn shows: >>> >>> 05:00.0 Ethernet controller [0200]: Intel Corporation 82574L Gigabit >> Network Connection [8086:10d3] >>> Subsystem: Super Micro Computer Inc Device [15d9:0000] >>> Flags: bus master, fast devsel, latency 0, IRQ 16 >>> Memory at fbd00000 (32-bit, non-prefetchable) [size=128K] >>> I/O ports at e000 [size=32] >>> Memory at fbd20000 (32-bit, non-prefetchable) [size=16K] >>> Capabilities: [c8] Power Management version 2 >>> Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+ >>> Capabilities: [e0] Express Endpoint, MSI 00 >>> Capabilities: [a0] MSI-X: Enable+ Count=5 Masked- >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [140] Device Serial Number 00-25-90-ff-ff-56-ac- >> 74 >>> Kernel driver in use: e1000e >> >> I've just had this happen on my other (identical) server with a nearly >> identical trace. Is there anything I can do do avoid this at all or at >> least help narrow down the problem? >> >> Cheers, >> Chris >> >> -- >> Chris Boot >> bootc@...tc.net >> >> -- >> 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 > > Hello, > > Sorry for the delay in responding. We have seen some hang issues using MSI-X on 82574 parts. Can you try reloading the driver the IntMode module parameter. IntMode=1 (you'll need a setting for each device in the system so two adapters would be IntMode=1,1) See if that changes the symptom you are seeing with this part. That setting will make sure the adapter uses MSI interrupts instead of MSI-X. Carolyn, I'll give this a go next time I reproduce it. I built a new kernel with more debugging and so far it hasn't yet triggered again... Chris -- Chris Boot bootc@...tc.net -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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