[lxc-users] Help with lxc-checkpoint and SECCOMP_MODE_FILTER

[Tycho Andersen]

Hi Marcelo,

On Mon, Oct 26, 2015 at 06:34:38PM -0200, Gter Marcelo wrote:
> Hi,
> 
> i am running testing with new version the LXC 1.1.4 in enviroment ubuntu
> 15.10 .
> 
> But i received some errors when i try to use lxc-checkpoint.
> 
> I ran the command :
> lxc-checkpoint -v -D /tmp -n test-container -v
> 
> I received de Log error :
> 
> (00.000620) cg: Set 1 is criu one
> (00.000739) Error (proc_parse.c:827): SECCOMP_MODE_FILTER not currently
> supported

Kernel support for dumping seccomp mode filter was just merged into
net-next yesterday, so I'll send my CRIU patches out shortly to that
list. For now, you have to disable seccomp filtering:

lxc.seccomp =

(with the blank line after the equals.) This will be sorted by 16.04,
though.

Tycho

> (00.000743) Error (proc_parse.c:840): Error parsing proc status file
> (00.000772) Unfreezing tasks into 1
> (00.000786) Unseizing 522 into 1
> (00.000793) Error (ptrace.c:43): Unable to detach from 522: No such process
> (00.000797) Unlock network
> (00.000801) Unfreezing tasks into 1
> (00.000803) Unseizing 522 into 1
> (00.000806) Error (ptrace.c:43): Unable to detach from 522: No such process
> (00.000832) Error (cr-dump.c:1617): Dumping FAILED.
> 
> Can someone help me ?
> 
> Thanks a Lot
> Marcelo

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