When calling pfring_open_multichannel(), I sometimes get returned: 0 and when I
print out the reason, I get error no: 22 Invalid argument. This happens on an
interface that's clearly up and its IP can be pinged from another box.
When it gets in this state, it seems to be stuck for quite some time. I try
many different things like pointing to to other interfaces and then back, warm
reboots, cold reboots, etc. and then miraculously things sometimes start
working again.
Here's my general procedure after reboot:
rmmod ixgbe.ko
modprobe dca
insmod ./ixgbe.ko IntMode=3
tail /var/log/messages
ifconfig pci3p1 up
insmod pf_ring.ko transparent_mode=2 quick_mode=1
tail /var/log/messages
killall irqbalance
./set_irq_affinity.sh pci3p1
ethtool -S pci3p1
./pfcount_multichannel -i pci3p1 -w 5000 -b 99 -l 200 -n 16
Everything looks great on install, but then I just get invalid argument when I
call open on this pci3p1 interface.
This is running on:
* Dell R510
* OS: RHEL 6.0 (needed for 10G NIC driver)
* 2 x Intel E5620 2.4 GHz Quad Core CPU with Hyper-Threading
* 24 GB RAM (6 x 4GB DDR2 1333 MHz DIMs)
* PERC H700 Integrated RAID Controller, 1GB NV Cache
* Disks:
* 2 x 146 GB SAS disks mirrored for OS Volume
* 12 x 300 GB 15k RPM SAS disks in RAID10 for
Storage[1]<https://ats.verisign.com/sys_arch/wiki/index.php/Dell_R510_NR_Testing#_note-0>
* Dual Port Broadcom Corporation NetXtreme II BCM5716 Gigabit Ethernet (rev
20)
* Dual Port Intel Corporation 82599EB 10-Gigabit Network Connection (rev 01)
Any ideas why I may be having this frustrating and intermittent problem?
Thanks,
Karl
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