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Subjectintermittent problem with skge driver/hardware
Date
I've been getting a strange issue, where traffic over one of the built in skge
nics in my server will just die. No traffic can make it over, but it'll claim
the device is up:

dmesg:
[85007.362349] skge 0000:05:06.0: PCI error cmd=0x7 status=0x22b0
[85007.362735] skge 0000:05:06.0: unable to clear error (so ignoring them)
[85076.960083] ------------[ cut here ]------------
[85076.960963] WARNING: at net/sched/sch_generic.c:258 dev_watchdog+0xfc/0x19b()
[85076.961799] Hardware name: GA-MA790FXT-UD5P
[85076.962654] NETDEV WATCHDOG: eth2 (skge): transmit queue 0 timed out
[85076.963520] Modules linked in: tun ip6table_filter ip6_tables iptable_filter ip_tables x_tables powernow_k8 mperf cpufreq_conservative cpufreq_stats cpufreq_userspace cpufreq_$
[85076.970411] Pid: 0, comm: kworker/0:1 Not tainted 2.6.36.1+ #5
[85076.971401] Call Trace:
[85076.971406] <IRQ> [<ffffffff8103687e>] ? warn_slowpath_common+0x78/0x8c
[85076.971426] [<ffffffff81036931>] ? warn_slowpath_fmt+0x45/0x4a
[85076.971434] [<ffffffff8122b866>] ? netif_tx_lock+0x3d/0x64
[85076.971442] [<ffffffff8122b989>] ? dev_watchdog+0xfc/0x19b
[85076.971450] [<ffffffff8104097a>] ? cascade+0x60/0x7a
[85076.971458] [<ffffffff81026bda>] ? check_preempt_curr+0x1a/0x31
[85076.971466] [<ffffffff8104232e>] ? run_timer_softirq+0x1c2/0x284
[85076.971475] [<ffffffff8109cece>] ? perf_event_task_tick+0x6a/0x185
[85076.971483] [<ffffffff8122b88d>] ? dev_watchdog+0x0/0x19b
[85076.971493] [<ffffffff8103bec4>] ? __do_softirq+0xde/0x19e
[85076.971501] [<ffffffff81059f8a>] ? tick_dev_program_event+0x33/0xf0
[85076.971510] [<ffffffff8100384c>] ? call_softirq+0x1c/0x28
[85076.971517] [<ffffffff81004c01>] ? do_softirq+0x31/0x63
[85076.971525] [<ffffffff8103bd4b>] ? irq_exit+0x36/0x79
[85076.971534] [<ffffffff81017b4b>] ? smp_apic_timer_interrupt+0x87/0x95
[85076.971541] [<ffffffff81003313>] ? apic_timer_interrupt+0x13/0x20
[85076.971545] <EOI> [<ffffffff8100942c>] ? default_idle+0x36/0x4c
[85076.971557] [<ffffffff8100940c>] ? default_idle+0x16/0x4c
[85076.971563] [<ffffffff81001a73>] ? cpu_idle+0xa9/0x11b
[85076.971572] [<ffffffff81290cc0>] ? _raw_spin_unlock_irqrestore+0x4/0x5
[85076.971580] [<ffffffff8128a265>] ? start_secondary+0x1db/0x1e1
[85076.971586] ---[ end trace b7c537207c4cd873 ]---
[88574.943219] skge 0000:05:06.0: eth2: Link is down
[88574.983011] wan_bridge: port 1(eth2) entering forwarding state
[88579.652590] skge 0000:05:06.0: eth2: Link is up at 100 Mbps, full duplex, flow control both
[88579.656363] wan_bridge: port 1(eth2) entering forwarding state
[88579.657347] wan_bridge: port 1(eth2) entering forwarding state

lspci:
05:06.0 Ethernet controller: D-Link System Inc DGE-530T Gigabit Ethernet Adapter (rev 11) (rev 11)

I'm wondering if this is a hardware issue, and I'll just have to use a
different nic, or maybe some kind of driver issue? I don't know.

I've tried rmmoding the driver and reloading, but it never seems to get
me my networking back, maybe due to the bridging+kvm setup I have.

--
Thomas Fjellstrom
thomas@fjellstrom.ca


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