Comment 49 for bug 76489

Ubuntu 8.10 x64

$ uname -a
Linux pc3 2.6.27-11-generic #1 SMP Thu Jan 29 19:28:32 UTC 2009 x86_64 GNU/Linux

Mar 25 15:21:27 pc3 kernel: [ 1091.804030] ------------[ cut here ]------------
Mar 25 15:21:27 pc3 kernel: [ 1091.804042] WARNING: at /build/buildd/linux-2.6.27/net/sched/sch_generic.c:219 dev_watchdog+0x272/0x280()
Mar 25 15:21:27 pc3 kernel: [ 1091.804048] NETDEV WATCHDOG: eth0 (r8169): transmit timed out
Mar 25 15:21:27 pc3 kernel: [ 1091.804053] Modules linked in: binfmt_misc ppdev powernow_k8 cpufreq_powersave cpufreq_ondemand cpufreq_stats freq_table cpufreq_userspace cpufreq_conservative sbs pci_slot container sbshc video output battery nfs ip6table_filter ip6_tables iptable_raw xt_comment xt_policy ipt_ULOG ipt_TTL ipt_ttl ipt_REJECT ipt_REDIRECT ipt_recent ipt_NETMAP ipt_MASQUERADE ipt_LOG ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah ipt_addrtype nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG xt_multiport xt_MARK xt_mark xt_mac xt_limit xt_length xt_iprange xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_CONNMARK xt_connmark xt_CLASSIFY xt_tcpudp
Mar 25 15:21:27 pc3 kernel: xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack iptable_mangle nfnetlink ipv6 af_packet iptable_filter ip_tables x_tables reiserfs ac sbp2 lp loop nfsd lockd nfs_acl auth_rpcgss sunrpc exportfs pcspkr k8temp i2c_piix4 evdev i2c_core usblp snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer parport_pc snd_seq_device parport snd soundcore snd_page_alloc fglrx(P) wmi button shpchp pci_hotplug ext3 jbd mbcache usb_storage libusual usbhid hid sr_mod cdrom pata_acpi sd_mod crc_t10dif sg 8139too pata_atiixp ohci1394 ieee1394 8139cp ehci_hcd ohci_hcd ata_generic ahci usbcore libata scsi_mod r8169 mii dock raid10 raid456 async_xor async_memcpy async_tx xor raid1 raid0 multipath linear md_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse
Mar 25 15:21:27 pc3 kernel: [ 1091.804335] Pid: 0, comm: swapper Tainted: P 2.6.27-11-generic #1
Mar 25 15:21:27 pc3 kernel: [ 1091.804340]
Mar 25 15:21:27 pc3 kernel: [ 1091.804341] Call Trace:
Mar 25 15:21:27 pc3 kernel: [ 1091.804346] <IRQ> [<ffffffff8024e92c>] warn_slowpath+0xbc/0xf0
Mar 25 15:21:27 pc3 kernel: [ 1091.804364] [<ffffffff8023e833>] ? __enqueue_entity+0x93/0xa0
Mar 25 15:21:27 pc3 kernel: [ 1091.804371] [<ffffffff8023fd19>] ? enqueue_entity+0xd9/0x260
Mar 25 15:21:27 pc3 kernel: [ 1091.804380] [<ffffffff802463a7>] ? enqueue_task_fair+0x57/0x60
Mar 25 15:21:27 pc3 kernel: [ 1091.804386] [<ffffffff8023c3a0>] ? enqueue_task+0x50/0x60
Mar 25 15:21:27 pc3 kernel: [ 1091.804393] [<ffffffff80245e5d>] ? resched_task+0x2d/0x90
Mar 25 15:21:27 pc3 kernel: [ 1091.804400] [<ffffffff802473fe>] ? try_to_wake_up+0x11e/0x2e0
Mar 25 15:21:27 pc3 kernel: [ 1091.804409] [<ffffffff80274004>] ? timer_stats_update_stats+0x24/0x370
Mar 25 15:21:27 pc3 kernel: [ 1091.804417] [<ffffffff8022be19>] ? read_hpet+0x9/0x20
Mar 25 15:21:27 pc3 kernel: [ 1091.804424] [<ffffffff8026e561>] ? getnstimeofday+0x51/0xd0
Mar 25 15:21:27 pc3 kernel: [ 1091.804430] [<ffffffff803a936a>] ? strlcpy+0x4a/0x60
Mar 25 15:21:27 pc3 kernel: [ 1091.804438] [<ffffffff80253e89>] ? set_normalized_timespec+0x9/0x90
Mar 25 15:21:27 pc3 kernel: [ 1091.804444] [<ffffffff8047c952>] dev_watchdog+0x272/0x280
Mar 25 15:21:27 pc3 kernel: [ 1091.804450] [<ffffffff8026cf6c>] ? sched_clock_cpu+0xcc/0x160
Mar 25 15:21:27 pc3 kernel: [ 1091.804456] [<ffffffff8047c6e0>] ? dev_watchdog+0x0/0x280
Mar 25 15:21:27 pc3 kernel: [ 1091.804463] [<ffffffff8025a029>] run_timer_softirq+0x179/0x260
Mar 25 15:21:27 pc3 kernel: [ 1091.804478] [<ffffffff802717c4>] ? clockevents_program_event+0x54/0xa0
Mar 25 15:21:27 pc3 kernel: [ 1091.804486] [<ffffffff80254d9c>] __do_softirq+0x8c/0x100
Mar 25 15:21:27 pc3 kernel: [ 1091.804494] [<ffffffff8021417c>] call_softirq+0x1c/0x30
Mar 25 15:21:27 pc3 kernel: [ 1091.804501] [<ffffffff80215875>] do_softirq+0x65/0xa0
Mar 25 15:21:27 pc3 kernel: [ 1091.804507] [<ffffffff80254b05>] irq_exit+0x95/0xa0
Mar 25 15:21:27 pc3 kernel: [ 1091.804515] [<ffffffff80226929>] smp_apic_timer_interrupt+0x89/0xc0
Mar 25 15:21:27 pc3 kernel: [ 1091.804522] [<ffffffff80213983>] apic_timer_interrupt+0x83/0x90
Mar 25 15:21:27 pc3 kernel: [ 1091.804526] <EOI> [<ffffffff8022d236>] ? native_safe_halt+0x6/0x10
Mar 25 15:21:27 pc3 kernel: [ 1091.804539] [<ffffffff8021ac35>] ? default_idle+0x55/0x60
Mar 25 15:21:27 pc3 kernel: [ 1091.804545] [<ffffffff8021ac96>] ? c1e_idle+0x56/0x130
Mar 25 15:21:27 pc3 kernel: [ 1091.804553] [<ffffffff805068ca>] ? atomic_notifier_call_chain+0x1a/0x20
Mar 25 15:21:27 pc3 kernel: [ 1091.804562] [<ffffffff80210e95>] ? cpu_idle+0x75/0x110
Mar 25 15:21:27 pc3 kernel: [ 1091.804569] [<ffffffff804fe845>] ? start_secondary+0x97/0xc2
Mar 25 15:21:27 pc3 kernel: [ 1091.804573]
Mar 25 15:21:27 pc3 kernel: [ 1091.804577] ---[ end trace 8dfd2ae82593cc2c ]---
Mar 25 15:21:27 pc3 kernel: [ 1091.825255] r8169: eth0: link up
Mar 25 19:57:33 pc3 kernel: [17657.824949] r8169: eth0: link up
Mar 25 20:17:39 pc3 kernel: [18863.824236] r8169: eth0: link up
Mar 25 20:50:33 pc3 kernel: [20837.824417] r8169: eth0: link up
Mar 25 21:23:03 pc3 kernel: [22787.824155] r8169: eth0: link up
Mar 25 21:24:57 pc3 kernel: [22901.823862] r8169: eth0: link up
Mar 25 21:33:57 pc3 kernel: [23441.830145] r8169: eth0: link up
Mar 25 21:45:03 pc3 kernel: [24107.825266] r8169: eth0: link up
Mar 25 21:49:09 pc3 kernel: [24353.824300] r8169: eth0: link up

I'm not so happy with the fact that the link is being reset many times an hour.

lcpci output:

02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
 Subsystem: Giga-byte Technology Device e000
 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 0, Cache Line Size: 64 bytes
 Interrupt: pin A routed to IRQ 2302
 Region 0: I/O ports at de00 [size=256]
 Region 2: Memory at fdaff000 (64-bit, prefetchable) [size=4K]
 Region 4: Memory at fdae0000 (64-bit, prefetchable) [size=64K]
 [virtual] Expansion ROM at fda00000 [disabled] [size=64K]
 Capabilities: [40] Power Management version 3
  Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
  Status: D0 PME-Enable- DSel=0 DScale=0 PME-
 Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable+
  Address: 00000000fee0300c Data: 4159
 Capabilities: [70] Express (v1) Endpoint, MSI 01
  DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns, L1 <8us
   ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
  DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
   RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
   MaxPayload 128 bytes, MaxReadReq 512 bytes
  DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend-
  LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <512ns, L1 <64us
   ClockPM+ Suprise- LLActRep- BwNot-
  LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
   ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
  LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
 Capabilities: [b0] MSI-X: Enable- Mask- TabSize=2
  Vector table: BAR=4 offset=00000000
  PBA: BAR=4 offset=00000800
 Capabilities: [d0] Vital Product Data <?>
 Capabilities: [100] Advanced Error Reporting <?>
 Capabilities: [140] Virtual Channel <?>
 Capabilities: [160] Device Serial Number 78-56-34-12-78-56-34-12
 Kernel driver in use: r8169
 Kernel modules: r8169