Re: VNET jails not going away

[Mail Lists]

Hi,

I have the same/similar problem, it's quite annoying, with R10.1 and R10.2:
jail -r shuts down the (vnet-)jail, jls does not list them anymore, but with 
jls -d, they are still there - 
apparently in a 'dying state' ?

I cannot restart the jail as long as the old jail still appears in 'jls -d'.
Really annoying.

But they go away, eventually, sometimes after 5 minutes, sometimes after half 
an hour or so.

Kaj.

>Monday, February 22, 2016 1:41 PM UTC from "Bjoern A. Zeeb" 
>:
>
>Hi,
>
>has anyone else experienced VNET jails to not fully go away anymore on a 
>recent HEAD kernel (or possibly an older kernel)?
>
>I have test cases with which I can have them in DYING state (see jls -av) for 
>ever or at least more than half a day.   I am in the process of trying to find 
>the cause but would be good to know if anyone else is experiencing this?
>
>
>Thanks,
>Bjoern
>
>Example (after more than 12 hours of jail -r ..):
>
># jls -av
>   JID  Hostname  Path
>Name  State
>CPUSetID
>IP Address(es)
> 1  left.example.net  /
>lef827DYING
>18
> 2  center.example.net/
>mid827DYING
>19
> 3  right.example.net /
>right827  DYING
>20
> 6  right.example.net /
>right923  DYING
>23
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Best regards,
Mail Lists
mli...@mail.ru
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Re: (VNET) jails not going away

[Bjoern A. Zeeb]

Hi,

sorry for the cross-post, Reply-To: set.


> On 22 Feb 2016, at 13:41 , Bjoern A. Zeeb  
> wrote:
> 
> Hi,
> 
> has anyone else experienced VNET jails to not fully go away anymore on a 
> recent HEAD kernel (or possibly an older kernel)?
> 
> I have test cases with which I can have them in DYING state (see jls -av) for 
> ever or at least more than half a day.   I am in the process of trying to 
> find the cause but would be good to know if anyone else is experiencing this?

Ok, I found more funny behaviour that I can get rid of the previous jail by 
cleaning up the next one.

root@rabbit4:/home/test # jail -i -c -n test19 host.hostname=foo vnet persist
19
root@rabbit4:/home/test # jexec 19 /bin/csh
root@foo:/ # ifconfig lo0 inet 127.19/8
root@foo:/ # exit
root@rabbit4:/home/test # jail -r 19

Jail 19 is in DYING and hangs there forever;  If I repeat this upon exit from 
jail 20, jail 19 will go away.

If I’ll just do this

root@rabbit4:/home/test # jail -i -c -n test20 host.hostname=foo vnet persist
21
root@rabbit4:/home/test # jail -r 21

20 and 21 are going.


I’ll keep tracing this but if it ring a bell for anyone please let me know ;-)



> Thanks,
> Bjoern
> 
> Example (after more than 12 hours of jail -r ..):
> 
> # jls -av
>   JID  Hostname  Path
>Name  State
>CPUSetID
>IP Address(es)
> 1  left.example.net  /
>lef827DYING
>18
> 2  center.example.net/
>mid827DYING
>19
> 3  right.example.net /
>right827  DYING
>20
> 6  right.example.net /
>right923  DYING
>23



— 
Bjoern A. Zeeb  Charles Haddon Spurgeon:
"Friendship is one of the sweetest joys of life.  Many might have failed
 beneath the bitterness of their trial  had they not found a friend."

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VNET jails not going away

[Bjoern A. Zeeb]

Hi,

has anyone else experienced VNET jails to not fully go away anymore on a recent 
HEAD kernel (or possibly an older kernel)?

I have test cases with which I can have them in DYING state (see jls -av) for 
ever or at least more than half a day.   I am in the process of trying to find 
the cause but would be good to know if anyone else is experiencing this?


Thanks,
Bjoern

Example (after more than 12 hours of jail -r ..):

# jls -av
   JID  Hostname  Path
Name  State
CPUSetID
IP Address(es)
 1  left.example.net  /
lef827DYING
18
 2  center.example.net/
mid827DYING
19
 3  right.example.net /
right827  DYING
20
 6  right.example.net /
right923  DYING
23
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