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SubjectRe: e1000e interface hang on 82574L
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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@bootc.net



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