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

lyt_yudi lyt_yudi at icloud.com
Tue Sep 23 07:02:05 CEST 2014


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> 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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