[OpenAFS] Re: byte-range lock errors

chas williams - CONTRACTOR chas@cmf.nrl.navy.mil
Mon, 20 May 2013 07:57:11 -0400


Ignoring the actual byte-range locking issue, this is actually a
separate issue.  OpenAFS does try to rate limit these messages but only
when they come from the same process/pid consistently.  Unfortunately,
firefox appears to be threaded (in some fashion) and the multiple
writers keep tripping over each other with regard to rate limiting of
the messages.

[5441467.772951] afs: byte-range locks only enforced for processes on this =
machine (pid 29952 (firefox), user 1025).
[5441467.786400] afs: byte-range locks only enforced for processes on this =
machine (pid 30011 (mozStorage #8), user 1025).
[5441469.561118] afs: byte-range locks only enforced for processes on this =
machine (pid 29985 (mozStorage #5), user 1025).
[5441470.819584] afs: byte-range locks only enforced for processes on this =
machine (pid 30009 (mozStorage #7), user 1025).
[5441471.092442] afs: byte-range locks only enforced for processes on this =
machine (pid 29970 (mozStorage #3), user 1025).
[5441471.246810] afs: byte-range locks only enforced for processes on this =
machine (pid 29985 (mozStorage #5), user 1025).
[5441471.286815] afs: byte-range locks only enforced for processes on this =
machine (pid 30011 (mozStorage #8), user 1025).
[5441471.666821] afs: byte-range locks only enforced for processes on this =
machine (pid 29985 (mozStorage #5), user 1025).


On Sat, 18 May 2013 12:32:38 -0700 (PDT)
Tom Mukunnemkeril <torrent_tech@yahoo.com> wrote:

> You are correct.=A0 There were multiple pids involved.=A0 I just included=
 the one for the firefox pid.=A0 There were others for mozStorage #2, mozSt=
orage#5 all happening the same time.
>=20
> Sorry for excluding those.
>=20
> Tom Mukunnemkeril
>=20
>=20
>=20
>=20
> ________________________________
>  From: Andrew Deason <adeason@sinenomine.net>
> To: openafs-info@openafs.org=20
> Sent: Saturday, May 18, 2013 1:55 PM
> Subject: [OpenAFS] Re: byte-range lock errors
> =20
>=20
> On Fri, 17 May 2013 19:08:44 -0700 (PDT)
> Tom Mukunnemkeril <torrent_tech@yahoo.com> wrote:
>=20
> > I'm also seeing this every couple of seconds..perhaps even several
> > times a second.=A0 It seems to be triggered right when I'm changing the
> > URL and I guess firefox is auto-guessing the URL.=A0 This is on linux
> > 3.7.10 running Openafs 1.6.2 on Slackware64 14.0 machine.
> >=20
> > May 17 21:58:12 mariposa kernel: afs: byte-range locks only enforced
> > for process es on this machine (pid 1799 (firefox), user 1001).
>=20
> You only see these messages for one pid? Or are there are others you
> didn't include?
>=20