Re: Google Chrome cause locks held in system (kernel 4.15 rc2)

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mikhail wrote:
> > > netconsole works only within local network? destination ip may be from
> > > another network?
> > 
> > netconsole can work with another network.
> > 
> > (step 1) Verify that UDP packets are reachable. You can test with
> > 
> >          # echo test > /dev/udp/213.136.82.171/6666
> > 
> >          if you are using bash.
> 
> After this on remote machine was created folder with name of router
> external ip address.
> Inside this folder was places one file with name of current day. This
> file has size 0 of bytes and not contain "test" message inside.
> That is how it should be?

The message should be written to the log file. If not written, UDP packets
are dropped somewhere. You need to solve this problem first.

> 
> > 
> > (step 2) Verify that you specified gateway's MAC address rather than
> >          target host's MAC address. "ff:ff:ff:ff:ff:ff" suggests that
> >          netconsole is unable to resolve correct MAC address.
> > 
> 
> I am not was specified MAC address when launch netconsole. The address
> "ff:ff:ff:ff:ff:ff" was settled by default.
> Anyway does it matter for remote machine placed behind router?
> Ok, I also setted right MAC address for remote machine. But nothing is
> changed.

If remote machine is in a different network segment, you need to specify
gateway's MAC address rather than remote machine's MAC address. For more
information about netconsole, please see
https://www.kernel.org/doc/Documentation/networking/netconsole.txt .
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