Hi,

I'm seeing the same problem when transfering large files. The network works until it crashes. I'm using Intrepid Ibex with the latest updates:

$ dmesg
[ ... ]
[ 1159.988394] ------------[ cut here ]------------
[ 1159.988402] WARNING: at /build/buildd/linux-2.6.27/net/sched/sch_generic.c:219 dev_watchdog+0x21a/0x230()
[ 1159.988405] NETDEV WATCHDOG: eth0 (r8169): transmit timed out
[ 1159.988408] Modules linked in: r8169 af_packet i915 binfmt_misc drm rfcomm bridge stp bnep sco l2cap bluetooth ppdev cpufreq_ondemand cpufreq_powersave cpufreq_userspace cpufreq_stats freq_table cpufreq_conservative container video output wmi pci_slot sbs sbshc battery iptable_filter ip_tables x_tables ac sbp2 parport_pc lp parport loop ipv6 lnbp21 snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm sr_mod stv0299 cdrom serio_raw snd_seq_dummy psmouse budget_ci pcspkr budget_core dvb_core evdev saa7146 ttpci_eeprom snd_seq_oss ir_common iTCO_wdt iTCO_vendor_support snd_seq_midi i2c_core snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device button intel_agp shpchp agpgart snd pci_hotplug soundcore snd_page_alloc ext3 jbd mbcache sd_mod crc_t10dif pata_acpi sg usb_storage libusual ata_piix ohci1394 ata_generic ieee1394 ehci_hcd libata scsi_mod dock uhci_hcd usbcore thermal processor fan fbcon tileblit font bitblit softcursor fuse [last unloaded: r8169]
[ 1159.988510] Pid: 7, comm: ksoftirqd/1 Not tainted 2.6.27-7-generic #1
[ 1159.988514]  [<c0131d65>] warn_slowpath+0x65/0x90
[ 1159.988520]  [<c024d1d5>] ? __next_cpu+0x15/0x30
[ 1159.988525]  [<c012989d>] ? find_busiest_group+0x15d/0x7c0
[ 1159.988529]  [<c012b6ab>] ? default_wake_function+0xb/0x10
[ 1159.988534]  [<c037dfae>] ? account_scheduler_latency+0xe/0x220
[ 1159.988539]  [<c0154387>] ? timer_stats_update_stats+0x17/0x250
[ 1159.988545]  [<c0254299>] ? strlen+0x9/0x20
[ 1159.988550]  [<c025231d>] ? strlcpy+0x1d/0x60
[ 1159.988554]  [<c02f0967>] ? netdev_drivername+0x37/0x40
[ 1159.988558]  [<c0305b6a>] dev_watchdog+0x21a/0x230
[ 1159.988562]  [<c01284cb>] ? finish_task_switch+0x2b/0xe0
[ 1159.988567]  [<c037c999>] ? schedule+0x429/0x790
[ 1159.988572]  [<c013bf88>] run_timer_softirq+0x138/0x210
[ 1159.988576]  [<c0305950>] ? dev_watchdog+0x0/0x230
[ 1159.988580]  [<c0305950>] ? dev_watchdog+0x0/0x230
[ 1159.988584]  [<c0137682>] __do_softirq+0x92/0x120
[ 1159.988588]  [<c013776d>] do_softirq+0x5d/0x60
[ 1159.988591]  [<c0137802>] ksoftirqd+0x92/0x120
[ 1159.988594]  [<c0137770>] ? ksoftirqd+0x0/0x120
[ 1159.988598]  [<c0147141>] kthread+0x41/0x80
[ 1159.988603]  [<c0147100>] ? kthread+0x0/0x80
[ 1159.988607]  [<c0105297>] kernel_thread_helper+0x7/0x10
[ 1159.988611]  =======================
[ 1159.988614] ---[ end trace 31e5c06b077946fd ]---
[ 1160.804089] r8169: eth0: link up
[ 1214.816047] r8169: eth0: link up
[ 1280.812554] r8169: eth0: link up
[ 1364.804541] r8169: eth0: link up
[ 1436.804241] r8169: eth0: link up

[ ... I have more there after a while ... ]


$ uname -r
2.6.27-7-generic

$ lspci -vvv (only showing the eth device)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
	Subsystem: ASUSTeK Computer Inc. Device 81aa
	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: 32 bytes
	Interrupt: pin A routed to IRQ 222
	Region 0: I/O ports at e800 [size=256]
	Region 2: Memory at dffff000 (64-bit, non-prefetchable) [size=4K]
	Region 4: Memory at deff0000 (64-bit, prefetchable) [size=64K]
	Expansion ROM at dffc0000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: r8169
	Kernel modules: r8169


Please let me know if you need any more details.

Regards,
Alex