[OpenAFS] getcwd() error for RHEL 7.4 kernel
Matt Vander Werf
mvanderw@nd.edu
Wed, 1 Nov 2017 13:19:05 -0400
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Thanks for the update!
Let us know if there's anything else you need from us. We're happy to test
out any potential fixes, if you'd like more testing done.
Thanks.
--
Matt Vander Werf
HPC System Administrator
University of Notre Dame
Center for Research Computing - Union Station
506 W. South Street
South Bend, IN 46601
Phone: (574) 631-0692
On Mon, Oct 30, 2017 at 11:15 AM, Mark Vitale <mvitale@sinenomine.net>
wrote:
> Matt,
>
> > On Oct 28, 2017, at 9:38 AM, Matt Vander Werf <mvanderw@nd.edu> wrote:
> >
> > Attached is the output from running the command 'lsof /afs' after
> running both 'echo 2 > /proc/sys/vm/drop_caches' and 'fs flushall' on the
> system we're testing with the updated kernel. Is this what you were looki=
ng
> for? Let me know if you were wanting something different at all.
> Thank you for the lsof output, it=E2=80=99s helpful.
>
> >
> > We do still have users actively using AFS on the system in question (wh=
o
> are not having any issues, as far as we know).
> >
> > Did the straces I provided help at all? Or did they not give any useful
> details?
> The straces provided confirmation of the getcwd() ENOENT symptom.
>
> > Let me know if there=E2=80=99s anything else we can try or any other in=
fo we can
> provide.
> I am now able to reproduce the problem at will on my test system, so I
> don=E2=80=99t expect I will need anything more from you for now. Thank y=
ou for all
> you provided, and we will keep you informed if there is any progress.
>
> Regards,
> =E2=80=94-
> Mark Vitale
> OpenAFS release team
>
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<div dir=3D"ltr"><div><div>Thanks for the update!<br><br></div>Let us know =
if there's anything else you need from us. We're happy to test out =
any potential fixes, if you'd like more testing done.<br></div><div><br=
></div>Thanks.<br></div><div class=3D"gmail_extra"><br clear=3D"all"><div><=
div class=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir=
=3D"ltr"><div>--<br></div><div>Matt Vander Werf<br>HPC System Administrator=
<br>University of Notre Dame<br>Center for Research Computing - Union Stati=
on<br>506 W. South Street<br>South Bend, IN 46601<br></div>Phone: (574) 631=
-0692</div></div></div>
<br><div class=3D"gmail_quote">On Mon, Oct 30, 2017 at 11:15 AM, Mark Vital=
e <span dir=3D"ltr"><<a href=3D"mailto:mvitale@sinenomine.net" target=3D=
"_blank">mvitale@sinenomine.net</a>></span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">Matt,<br>
<span class=3D""><br>
> On Oct 28, 2017, at 9:38 AM, Matt Vander Werf <<a href=3D"mailto:mv=
anderw@nd.edu">mvanderw@nd.edu</a>> wrote:<br>
><br>
> Attached is the output from running the command 'lsof /afs' af=
ter running both 'echo 2 > /proc/sys/vm/drop_caches' and 'fs=
flushall' on the system we're testing with the updated kernel. Is =
this what you were looking for? Let me know if you were wanting something d=
ifferent at all.<br>
</span>Thank you for the lsof output, it=E2=80=99s helpful.<br>
<span class=3D""><br>
><br>
> We do still have users actively using AFS on the system in question (w=
ho are not having any issues, as far as we know).<br>
><br>
> Did the straces I provided help at all? Or did they not give any usefu=
l details?<br>
</span>The straces provided confirmation of the getcwd() ENOENT symptom.<br=
>
<span class=3D""><br>
> Let me know if there=E2=80=99s anything else we can try or any other i=
nfo we can provide.<br>
</span>I am now able to reproduce the problem at will on my test system, so=
I don=E2=80=99t expect I will need anything more from you for now.=C2=A0 T=
hank you for all you provided, and we will keep you informed if there is an=
y progress.<br>
<br>
Regards,<br>
=E2=80=94-<br>
<div class=3D"HOEnZb"><div class=3D"h5">Mark Vitale<br>
OpenAFS release team</div></div></blockquote></div><br></div>
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