Bug#721316: more info
In case this is useful, I saw the same issue on debian squeeze with a custom 3.0.50 kernel:
Sep 24 07:55:00 averno2 kernel: ------------[ cut here ]------------
Sep 24 07:55:00 averno2 kernel: WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x254/0x260()
Sep 24 07:55:00 averno2 kernel: Hardware name: ProLiant DL380e Gen8
Sep 24 07:55:00 averno2 kernel: NETDEV WATCHDOG: eth3 (igb): transmit queue 5 timed out
Sep 24 07:55:00 averno2 kernel: Modules linked in: rmd160 crypto_null camellia lzo lzo_compress cast6 cast5 cts ctr gcm ccm serpent blowfish twofish_generic twofish_x86_64 twofish_common ecb xcbc sha512_generic xfrm_user af_key xt_length xt_IMQ sch_tbf act_police sch_ingress pppoe pppox ppp_generic slhc dahdi(F) crc_ccitt(F) quota_v2 quota_tree cls_u32 cls_fw sch_sfq sch_hfsc sch_prio nf_conntrack_netlink nfnetlink xt_conntrack xt_addrtype xt_mark xt_connmark bridge 8021q garp stp llc imq nf_nat_ftp nf_conntrack_tftp nf_conntrack_ftp evdev pcspkr psmouse serio_raw hpwdt acpi_power_meter processor button sha256_generic aesni_intel cryptd aes_x86_64 aes_generic dm_crypt dm_mod raid1 md_mod usbhid hid_monterey hid_microsoft hid_logitech hid_ezkey hid_cypress hid_chicony hid_cherry hid_belkin hid_apple hid_a4tech cmuuid sg sr_mod sd_mod cdrom uhci_hcd ahci libahci libata igb mpt2sas dca ehci_hcd scsi_transport_sas raid_class scsi_mod thermal thermal_sys [last unloaded: sdladrv]
Sep 24 07:55:00 averno2 kernel: Pid: 0, comm: swapper Tainted: GF 3.0.50 #1
Sep 24 07:55:00 averno2 kernel: Call Trace:
Sep 24 07:55:00 averno2 kernel: <IRQ> [<ffffffff8103d63b>] ? warn_slowpath_common+0x7b/0xc0
Sep 24 07:55:00 averno2 kernel: [<ffffffff8103d735>] ? warn_slowpath_fmt+0x45/0x50
Sep 24 07:55:00 averno2 kernel: [<ffffffff81310944>] ? dev_watchdog+0x254/0x260
Sep 24 07:55:00 averno2 kernel: [<ffffffff81049ae1>] ? run_timer_softirq+0x131/0x240
Sep 24 07:55:00 averno2 kernel: [<ffffffff813106f0>] ? __netdev_watchdog_up+0x70/0x70
Sep 24 07:55:00 averno2 kernel: [<ffffffff8101b8c8>] ? lapic_next_event+0x18/0x20
Sep 24 07:55:00 averno2 kernel: [<ffffffff81043441>] ? __do_softirq+0x91/0x120
Sep 24 07:55:00 averno2 kernel: [<ffffffff8105ce2c>] ? hrtimer_interrupt+0x17c/0x290
Sep 24 07:55:00 averno2 kernel: [<ffffffff813ac2cc>] ? call_softirq+0x1c/0x30
Sep 24 07:55:00 averno2 kernel: [<ffffffff81003f7d>] ? do_softirq+0x4d/0x80
Sep 24 07:55:00 averno2 kernel: [<ffffffff810431c5>] ? irq_exit+0x75/0x80
Sep 24 07:55:00 averno2 kernel: [<ffffffff8101c138>] ? smp_apic_timer_interrupt+0x68/0xa0
Sep 24 07:55:00 averno2 kernel: [<ffffffff813aba93>] ? apic_timer_interrupt+0x13/0x20
Sep 24 07:55:00 averno2 kernel: <EOI> [<ffffffffa02f9e94>] ? acpi_idle_enter_simple+0xd7/0x105 [processor]
Sep 24 07:55:00 averno2 kernel: [<ffffffffa02f9e8f>] ? acpi_idle_enter_simple+0xd2/0x105 [processor]
Sep 24 07:55:00 averno2 kernel: [<ffffffff812d7fd1>] ? cpuidle_idle_call+0x81/0xf0
Sep 24 07:55:00 averno2 kernel: [<ffffffff81001818>] ? cpu_idle+0x58/0xb0
Sep 24 07:55:00 averno2 kernel: [<ffffffff81591b84>] ? start_kernel+0x32a/0x335
Sep 24 07:55:00 averno2 kernel: [<ffffffff81591408>] ? x86_64_start_kernel+0xee/0xf2
Sep 24 07:55:00 averno2 kernel: ---[ end trace 25e86362d8441f7b ]---
Sep 24 07:55:00 averno2 kernel: igb 0000:02:00.3: eth3: Reset adapter
Thanks,
François.
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