[CRIU] Error (proc_parse.c:1716): Unknown file lock: 31: OFDLCK ADVISORY

Adrian Reber adrian at lisas.de
Tue Jul 14 06:38:46 PDT 2015


On Tue, Jul 14, 2015 at 04:35:03PM +0300, Pavel Emelyanov wrote:
> On 07/14/2015 04:11 PM, Adrian Reber wrote:
> > With today's git checkout (and also criu 1.6) I get
> > 
> > Error (proc_parse.c:1716): Unknown file lock: 31: OFDLCK ADVISORY  WRITE 2239 fd:02:9447627 0 0
> > 
> > OFDLCK seems to have been introduced with 3.15
> > 
> > https://git.kernel.org/linus/0d3f7a2dd2f5cf9642982515e020c1aee2cf7af6
> > 
> > My kernel version: Fedora 4.0.6-300.fc22.x86_64
> 
> Yes, we don't have support for this type of locks. In order not to break the dump
> when some other (not being dumped) processes use them, we introduced the per-pid
> locks info in the kernel with the 6c8c90319 commit in 4.1.
> in 4.1.

Thanks for that information. Good to know.

		Adrian


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