Re: [Xen-users] [Xen-devel] [BUG] 16 vcpus + 2 vif bridge = issue ?

[Roman Shubovich <r.shubovich@xxxxxxxxx>]

test:~# echo 10 > /sys/module/xen_netfront/parameters/max_queues

does not effect

i've compiled 4.1.8 kernel

no changes occured

[ Â Â0.807089] xen_netfront: can't alloc rx grant refs

[ Â Â0.807111] net eth1: only created 15 queues

test:~# uname -a

Linux test 4.1.8 #1 SMP Fri Sep 25 14:23:38 MSK 2015 x86_64 x86_64 x86_64 GNU/Linux

2015-09-25 14:01 GMT+03:00 Wei Liu <wei.liu2@xxxxxxxxxx>:

On Fri, Sep 25, 2015 at 01:57:14PM +0300, Roman Shubovich wrote:
> i have already (by default) value of max_queues setted to 40 (system cores)
> xcalc:/# more /sys/module/xen_netback/parameters/max_queues
> 40
>
> domU netfront max_queues parameter has value equals to config vcpus
> paramater
> test:~# more /sys/module/xen_netfront/parameters/max_queues
> 16
>

Use a number less than 16?

>
> i've xen installed from git sources
> and problem still exist
>

This is not related to Xen. It's a bug in Linux kernel.

Wei.

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxx
http://lists.xen.org/xen-users