F15 intermittent kernel dump with skge network driver for D-Link DGE-530T card

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I have a PCI network card that intermittently stops transmitting
traffic under Fedora 15, perhaps once every couple days.  The network
traffic is not necessarily high when this randomly occurs, and usually
the machine is relatively idle.

  Kernel: 2.6.38.8-32.fc15.x86_64
  Driver: skge
  Network card: D-Link DGE-530T gigabit PCI card, firmware rev 11
  Motherboard: Gigabyte GA-880GM-UD2H Rev 1.3

I do have multiple network cards, but all the others use the r8169
driver, and are seemingly unaffected.

To get the network working again, I either have to reboot, or if I can
unload (rmmod) and reload (modprobe) the skge driver then it will
resume operating again.

The kernel trace dump message is included below.  I have tried to
research this and found a couple other reports over the past 6 months
or so of almost identical problems with this skge driver/D-Link card
combination - but unfortunately I could find no responses.

Does anybody have any idea what may be wrong (a driver bug, or just
bad hardware)? Or if there is anything more I can do to provide
information to anybody willing to look into this issue.  Thanks.

At time 01:01:31
kernel: [263718.926261] skge 0000:03:06.0: PCI error cmd=0x7 status=0x22b0
kernel: [263718.926278] skge 0000:03:06.0: unable to clear error (so
ignoring them)

At time 01:02:18
kernel: [263765.712081] ------------[ cut here ]------------
kernel: [263765.712103] WARNING: at net/sched/sch_generic.c:256
dev_watchdog+0x108/0x17c()
kernel: [263765.712111] Hardware name: GA-880GM-UD2H
kernel: [263765.712117] NETDEV WATCHDOG: eth0 (skge): transmit queue 0 timed out

kernel: [263765.712122] Modules linked in: vfat fat tun md4 nls_utf8
cifs fscache tcp_lp sco bnep l2cap bluetooth rfk\
ill fuse ebtable_nat ebtables ipt_MASQUERADE xt_CHECKSUM
iptable_mangle bridge stp llc cpufreq_ondemand sunrpc powern\
ow_k8 freq_table mperf ipt_LOG xt_physdev xt_owner ip6t_REJECT
xt_multiport nf_conntrack_ipv6 nf_defrag_ipv6 iptable_\
nat nf_nat ip6table_filter ip6_tables sha256_generic xts gf128mul
dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek s\
nd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm
joydev wacom snd_timer snd soundcore snd_page_all\
oc sp5100_tco i2c_piix4 edac_core edac_mce_amd r8169 skge serio_raw
mii wmi shpchp k10temp microcode virtio_net kvm_a\
md kvm ipv6 pata_acpi ata_generic firewire_ohci pata_atiixp
firewire_core crc_itu_t uas usb_storage radeon ttm drm_km\
s_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]

kernel: [263765.712269] Pid: 0, comm: kworker/0:1 Not tainted
2.6.38.8-32.fc15.x86_64 #1
kernel: [263765.712275] Call Trace:
kernel: [263765.712280]  <IRQ>  [<ffffffff8105511a>]
warn_slowpath_common+0x83/0x9b
kernel: [263765.712301]  [<ffffffff810551d5>] warn_slowpath_fmt+0x46/0x48
kernel: [263765.712311]  [<ffffffff813db469>] ? netif_tx_lock+0x4a/0x7c
kernel: [263765.712321]  [<ffffffff813db5f7>] dev_watchdog+0x108/0x17c
kernel: [263765.712331]  [<ffffffff8100fd1b>] ? read_tsc+0x9/0x19
kernel: [263765.712341]  [<ffffffff81076a8c>] ? timekeeping_get_ns+0x18/0x3a
kernel: [263765.712351]  [<ffffffff81028801>] ? hpet_legacy_next_event+0x10/0x12
kernel: [263765.712361]  [<ffffffff8107a42b>] ?
clockevents_program_event+0x8e/0x90
kernel: [263765.712371]  [<ffffffff81061378>] run_timer_softirq+0x1a4/0x266
kernel: [263765.712379]  [<ffffffff81010150>] ? sched_clock+0x9/0xd
kernel: [263765.712387]  [<ffffffff813db4ef>] ? dev_watchdog+0x0/0x17c
kernel: [263765.712398]  [<ffffffff8105ae4c>] __do_softirq+0xd2/0x19d
kernel: [263765.712407]  [<ffffffff8100fc99>] ? paravirt_read_tsc+0x9/0xd
kernel: [263765.712414]  [<ffffffff81010150>] ? sched_clock+0x9/0xd
kernel: [263765.712423]  [<ffffffff8100aadc>] call_softirq+0x1c/0x30
kernel: [263765.712431]  [<ffffffff8100c101>] do_softirq+0x46/0x81
kernel: [263765.712440]  [<ffffffff8105afd0>] irq_exit+0x49/0x8b
kernel: [263765.712450]  [<ffffffff8147c006>] do_IRQ+0x8e/0xa5
kernel: [263765.712459]  [<ffffffff81475f13>] ret_from_intr+0x0/0x15
kernel: [263765.712465]  <EOI>  [<ffffffff8102a145>] ? native_safe_halt+0xb/0xd
kernel: [263765.712480]  [<ffffffff81010d36>] default_idle+0x4e/0x86
kernel: [263765.712488]  [<ffffffff81010e31>] c1e_idle+0xc3/0xe4
kernel: [263765.712497]  [<ffffffff81008321>] cpu_idle+0xa5/0xdf
kernel: [263765.712507]  [<ffffffff81464dba>] start_secondary+0x20c/0x20e
kernel: [263765.712514] ---[ end trace cb39d09abd048c62 ]---



-- 
Deron Meranda
http://deron.meranda.us/
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