[lxc-users] lxd-client: frequent "Unable to connect to"

Tomasz Chmielewski mangoo at wpkg.org
Wed Jan 27 07:29:22 UTC 2016


Entropy seems fine.

It looks as if communication in the bridge stops working sometimes, 
probably when there is no traffic in it for longer periods of time.


Tomasz Chmielewski
http://wpkg.org

On 2016-01-26 20:57, Jäkel wrote:
> Dear Tomasz,
> 
> What's the output of
> 
> 	watch -n 1  cat /proc/sys/kernel/random/entropy_avail
> 
> around blocking or hanging times?
> 
>> -----Original Message-----
>> From: lxc-users [mailto:lxc-users-bounces at lists.linuxcontainers.org] 
>> On Behalf Of Tomasz Chmielewski
>> Sent: Tuesday, January 26, 2016 10:58 AM
>> To: LXC users mailing-list
>> Subject: [lxc-users] lxd-client: frequent "Unable to connect to"
>> 
>> I'm using lxd-client in a lxd container.
>> 
>> Unfortunately, very frequently I'm getting "Unable to connect to" 
>> (after
>> several seconds of "hanging"), for example:
>> 
>> # lxc list
>> error: Get https://10.0.3.1:8443/1.0/containers?recursion=1: Unable to
>> connect to: 10.0.3.1:8443
>> 
>> I've checked with tcpdump on the host, and the packets are going both
>> ways.
>> 
>> At the same time when it happens (lxc list hangs, or any lxc commands
>> hang), "curl -k -v https://10.0.3.1:8443" just works - i.e. returns:
>> 
>> {"type":"sync","status":"Success","status_code":200,"metadata":["/1.0"],"operation":""}
>> 
>> 
>> 
>> Do you have any ideas to debug this?
>> 
>> The same executed directly on the host always work fine.
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