https://bugzilla.novell.com/show_bug.cgi?id=765946 https://bugzilla.novell.com/show_bug.cgi?id=765946#c0 Summary: Losing connectivity on dual port NIC PCI card Classification: openSUSE Product: openSUSE 11.4 Version: Factory Platform: x86-64 OS/Version: openSUSE 11.4 Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: Curt.Blank@curtronics.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20100101 Firefox/12.0 Out of the blue the last 3 days in a row connectivity is lost on two subnets. This worked fine for a long time until now. Why is swapper showing tainted? Reproducible: Always Steps to Reproduce: 1. Try to access NAS no subnet 2. 3. Actual Results: Lose connectivity on NIC card link lights turn off Expected Results: I expect connectivity Jun 7 02:06:57 router kernel: [54793.824013] ------------[ cut here ]------------ Jun 7 02:06:57 router kernel: [54793.824021] WARNING: at /usr/src/packages/BUILD/kernel-default-2.6.37.6/linux-2.6.37/net/sched/sch_generic.c:258 dev_watchdog+0x22b/0x240() Jun 7 02:06:57 router kernel: [54793.824024] Hardware name: MS-7640 Jun 7 02:06:57 router kernel: [54793.824025] NETDEV WATCHDOG: eth3 (e1000): transmit queue 0 timed out Jun 7 02:06:57 router kernel: [54793.824027] Modules linked in: ip6t_LOG ipt_MASQUERADE xt_pkttype xt_TCPMSS xt_limit snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device nfs lockd fscache nfs_acl auth_rpcgss sunrpc iptable_nat nf_nat ipt_LOG xt_tcpudp af_packet ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables microcode(+) mperf dm_mod ftdi_sio pl2303 snd_hda_codec_hdmi bttv v4l2_common videodev v4l1_compat ir_lirc_codec v4l2_compat_ioctl32 lirc_dev ir_sony_decoder sr_mod videobuf_dma_sg cdrom ir_jvc_decoder videobuf_core ir_rc6_decoder ir_rc5_decoder btcx_risc ir_common snd_hda_codec_realtek ir_nec_decoder ir_core sg firewire_ohci firewire_core tveeprom xhci_hcd crc_itu_t pata_jmicron r8169 nouveau ttm drm_kms_helper snd_hda_intel snd_hda_codec drm snd_hwdep snd_pcm snd_timer snd i2c_algo_bit video soundcore snd_pa Jun 7 02:06:57 router kernel: ge_alloc e1000 wmi shpchp usbserial usbhid pata_atiixp edac_core k10temp i2c_piix4 pcspkr serio_raw pci_hotplug button edac_mce_amd ext4 jbd2 crc16 ohci_hcd ehci_hcd ssb usbcore mmc_core pcmcia pcmcia_core edd reiserfs sata_nv fan processor ata_generic thermal thermal_sys arcmsr pata_amd Jun 7 02:06:57 router kernel: [54793.824081] Pid: 0, comm: swapper Tainted: G D 2.6.37.6-0.11-default #1 Jun 7 02:06:57 router kernel: [54793.824083] Call Trace: Jun 7 02:06:57 router kernel: [54793.824093] [<ffffffff81005819>] dump_trace+0x69/0x2e0 Jun 7 02:06:57 router kernel: [54793.824098] [<ffffffff814bb2a3>] dump_stack+0x69/0x6f Jun 7 02:06:57 router kernel: [54793.824103] [<ffffffff8105654b>] warn_slowpath_common+0x7b/0xc0 Jun 7 02:06:57 router kernel: [54793.824106] [<ffffffff81056645>] warn_slowpath_fmt+0x45/0x50 Jun 7 02:06:57 router kernel: [54793.824109] [<ffffffff813e012b>] dev_watchdog+0x22b/0x240 Jun 7 02:06:57 router kernel: [54793.824114] [<ffffffff810647be>] call_timer_fn+0x3e/0x130 Jun 7 02:06:57 router kernel: [54793.824118] [<ffffffff81065f30>] run_timer_softirq+0x120/0x240 Jun 7 02:06:57 router kernel: [54793.824121] [<ffffffff8105d795>] __do_softirq+0xc5/0x220 Jun 7 02:06:57 router kernel: [54793.824124] [<ffffffff81003d2c>] call_softirq+0x1c/0x30 Jun 7 02:06:57 router kernel: [54793.824127] [<ffffffff8100577d>] do_softirq+0x4d/0x80 Jun 7 02:06:57 router kernel: [54793.824130] [<ffffffff8105d9dd>] irq_exit+0x8d/0xa0 Jun 7 02:06:57 router kernel: [54793.824133] [<ffffffff81005397>] do_IRQ+0x67/0xe0 Jun 7 02:06:57 router kernel: [54793.824136] [<ffffffff814be293>] ret_from_intr+0x0/0xa Jun 7 02:06:57 router kernel: [54793.824140] [<ffffffff8100b2f4>] default_idle+0x44/0x170 Jun 7 02:06:57 router kernel: [54793.824144] [<ffffffff8100b472>] c1e_idle+0x52/0x100 Jun 7 02:06:57 router kernel: [54793.824147] [<ffffffff8100125c>] cpu_idle+0x4c/0x90 Jun 7 02:06:57 router kernel: [54793.824150] [<ffffffff81b32be9>] start_kernel+0x38b/0x396 Jun 7 02:06:57 router kernel: [54793.824154] [<ffffffff81b32414>] x86_64_start_kernel+0xf9/0xff Jun 7 02:06:57 router kernel: [54793.824156] ---[ end trace be59220c4a2a4413 ]--- The PCI NIC involved 03:06.0 Ethernet controller: Intel Corporation 82546EB Gigabit Ethernet Controller (Copper) (rev 03) Subsystem: Intel Corporation PRO/1000 MT Dual Port Server Adapter Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 22 Memory at fc9c0000 (64-bit, non-prefetchable) [size=128K] Memory at fc900000 (64-bit, non-prefetchable) [size=256K] I/O ports at a400 [size=64] Expansion ROM at fc8c0000 [disabled] [size=256K] Capabilities: [dc] Power Management version 2 Capabilities: [e4] PCI-X non-bridge device Capabilities: [f0] MSI: Enable- Count=1/1 Maskable- 64bit+ Kernel driver in use: e1000 03:06.1 Ethernet controller: Intel Corporation 82546EB Gigabit Ethernet Controller (Copper) (rev 03) Subsystem: Intel Corporation PRO/1000 MT Dual Port Server Adapter Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 23 Memory at fc9e0000 (64-bit, non-prefetchable) [size=128K] Memory at fc980000 (64-bit, non-prefetchable) [size=256K] I/O ports at a800 [size=64] Expansion ROM at fc940000 [disabled] [size=256K] Capabilities: [dc] Power Management version 2 Capabilities: [e4] PCI-X non-bridge device Capabilities: [f0] MSI: Enable- Count=1/1 Maskable- 64bit+ Kernel driver in use: e1000 -- Configure bugmail: 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