netdev - eth4 received packet on queue 4, but number of RX queues is 4

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Date:	Wed, 22 Jun 2011 10:34:25 -0500
From:	Shawn Bohrer <sbohrer@...advisors.com>
To:	Divy Le Ray <divy@...lsio.com>
Cc:	netdev@...r.kernel.org
Subject: eth4 received packet on queue 4, but number of RX queues is 4

I just booted up 3.0.0-rc4+ and got the following trace in the logs:

cxgb3 0000:04:00.0: found old FW minor version(7.4), driver compiled for version 7.10
cxgb3 0000:04:00.0: successful upgrade to firmware 7.10.0
cxgb3 0000:04:00.0: FW upgrade to 7.10.0 succeeded
eth4: link up, 10Gbps, full-duplex
eth4: link down
------------[ cut here ]------------
WARNING: at net/core/dev.c:2656 get_rps_cpu+0x1d1/0x350()
Hardware name: PowerEdge R610
eth4 received packet on queue 4, but number of RX queues is 4
Modules linked in: fuse ext3 jbd mbcache dm_mirror dm_multipath scsi_dh video sbs sbshc acpi_pad acpi_ipmi ipmi_msghandler parport_pc lp parport sg ses enclosure joydev cxgb3 mdio bnx2 iTCO_wdt iTCO_vendor_support serio_raw snd_pcm snd_timer snd soundcore snd_page_alloc dcdbas pcspkr dm_region_hash dm_log dm_mod shpchp megaraid_sas sd_mod scsi_mod crc_t10dif xfs exportfs uhci_hcd ohci_hcd ssb mmc_core ehci_hcd [last unloaded: microcode]
Pid: 0, comm: swapper Not tainted 3.0.0-rc4+ #25
Call Trace:
 <IRQ>  [<ffffffff8104e94f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff811da090>] ? timerqueue_add+0x60/0xb0
 [<ffffffff8104ea46>] warn_slowpath_fmt+0x46/0x50
 [<ffffffff813499e1>] get_rps_cpu+0x1d1/0x350
 [<ffffffff81073c8b>] ? hrtimer_interrupt+0x13b/0x230
 [<ffffffff81349b95>] netif_receive_skb+0x35/0x90
 [<ffffffffa026c6af>] process_responses+0x62f/0x1580 [cxgb3]
 [<ffffffff81075d55>] ? sched_clock_cpu+0xc5/0x100
 [<ffffffffa026d63c>] napi_rx_handler+0x3c/0x90 [cxgb3]
 [<ffffffff8134a3b7>] net_rx_action+0xe7/0x230
 [<ffffffff81055182>] __do_softirq+0xb2/0x1f0
 [<ffffffff81408cac>] call_softirq+0x1c/0x30
 [<ffffffff81004295>] do_softirq+0x55/0x90
 [<ffffffff81054fa5>] irq_exit+0x65/0x70
 [<ffffffff81409236>] do_IRQ+0x66/0xe0
 [<ffffffff81400513>] common_interrupt+0x13/0x13
 <EOI>  [<ffffffff8122c69b>] ? intel_idle+0xbb/0x110
 [<ffffffff8122c67e>] ? intel_idle+0x9e/0x110
 [<ffffffff813147fc>] cpuidle_idle_call+0xbc/0x240
 [<ffffffff81001ee9>] cpu_idle+0xa9/0xf0
 [<ffffffff813e85e2>] rest_init+0x72/0x80
 [<ffffffff81942cf4>] start_kernel+0x3a1/0x3ac
 [<ffffffff81942321>] x86_64_start_reservations+0x131/0x135
 [<ffffffff81942412>] x86_64_start_kernel+0xed/0xf4
---[ end trace 741fa1dbbcf6aa7b ]---
eth4: link up, 10Gbps, full-duplex
802.1Q VLAN Support v1.8


$ sudo /usr/sbin/ethtool -i eth4
driver: cxgb3
version: 1.1.4-ko
firmware-version: T 7.10.0 TP 1.1.0
bus-info: 0000:04:00.0


$ /sbin/lspci | grep 04:00.0
04:00.0 Ethernet controller: Chelsio Communications Inc S320-LP-CR 10GbE Dual Port Adapter


Thanks,
Shawn


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