[PVE-User] about Intel 82576 nic multiple queue issue.

lyt_yudi lyt_yudi at icloud.com
Thu May 7 04:41:50 CEST 2015


hi, all

Intel Ethernet driver has a lot of updates

igb - 5.2.18 (current: 5.2.15)
i40e - 1.2.38 (current: 1.2.37)
ixgbe - 4.0.3 (current: 3.23.2)

the latest igb driver can solve intel 82576 multi queue issue?

current, use pve-kernel-3.10.0-3-pve 

and do this:
# cat /etc/modprobe.d/igb.conf
options igb IntMode=3,3,3,3,3,3 RSS=8,8,8,8,8,8

# update-initramfs -u

it’s work fine. 

but use other pve kernel can’t work!

somebody have try it?

thanks a lot!


> 在 2014年9月23日,下午1:02,lyt_yudi <lyt_yudi at icloud.com> 写道:
> 
> hi, Dhaussy
> 
> Thanks your reply. very much!
> 
> 在 2014年9月23日,上午1:44,Dhaussy Alexandre <ADhaussy at voyages-sncf.com <mailto:ADhaussy at voyages-sncf.com>> 写道:
> 
>> And beware of link down/ups when changing the channel numbers... :(
> 
> 
> yes, but when change it, it’s Hang.
> 
> # ethtool -l eth2
> Channel parameters for eth2:
> Pre-set maximums:
> RX:             16
> TX:             16
> Other:          1
> Combined:       16
> Current hardware settings:
> RX:             0
> TX:             0
> Other:          1
> Combined:       1
> 
> # ethtool -L eth2 combined 8
> Then after a while, constantly appeared the following information, and link down!
> 
> igb 0000:06:00.0  Detected Tx Unit Hang
> 	Tx Queue			<6>
> 	TDH				<c>
> 	TDT				<c>
> 	next_to_use		<c>
> 	next_to_clean		<0>
> buffer_info[next_to_clean]
> 	time_stamp		<100181dd9>
> 	next_to_waitch	<ffff88082a63d000>
> 	jiffies			<100182671>
> 	desc.status		<f0000>
> 
> 

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