Date: Thu, 9 Jan 2020 11:14:24 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: Richard P Mackerras <mack63richard@gmail.com>, Adam McDougall <mcdouga9@egr.msu.edu>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: nfs lockd errors after NetApp software upgrade. Message-ID: <3199124E-C054-4B6D-A69D-30A031581122@cs.huji.ac.il> In-Reply-To: <YQBPR0101MB1427FF31676F6C4C641CA933DD390@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> References: <EBC4AD74-EC62-4C67-AB93-1AA91F662AAC@cs.huji.ac.il> <YQBPR0101MB1427411AFE335E869B9CF022DD530@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <0121E289-D2AE-44BA-ADAC-4814CAEE676F@cs.huji.ac.il> <CAGfybS-3Rvs57=oGFEfii_9a=aWxPr6dEq1Y1LqHbLXK1ZKmXA@mail.gmail.com> <YQBPR0101MB1427F9BE658B9A46C7E08335DD520@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <854B6E5A-C6BC-44B3-A656-FC9B8EF19881@cs.huji.ac.il> <YQBPR0101MB1427F445F1F1EAF382E5131ADD520@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <8770BD0D-4B72-431A-B4F5-A29D4DBA03B1@cs.huji.ac.il> <b1182bbf-fd0b-a23d-1cc4-ddf9513bcb2e@egr.msu.edu> <YQBPR0101MB1427CE52BBA32A888443BFB4DD2D0@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <8A78F67B-C244-45CF-B9BF-D7062669B33B@cs.huji.ac.il> <YQBPR0101MB1427C9D4CF8918F10B6FD400DD2C0@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <AE8F5D6B-E7DA-4AB9-B909-7D362A6A406B@cs.huji.ac.il> <YQBPR0101MB14276E7F9C127374C3E36952DD2F0@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <a33ad299-9ec6-0dc9-0926-32f20cb130c5@egr.msu.edu> <CAGfybS-a6n=Pkz8iBPj7BQ3=DbFoZRFENmy2wK3B=HzHm5dVWg@mail.gmail.com> <YQBPR0101MB142781B3EF4F85A1A6ED2AE5DD290@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM> <EE3DA2CA-9567-49F1-A71E-ABC706AA568E@cs.huji.ac.il> <YQBPR0101MB1427FF31676F6C4C641CA933DD390@YQBPR0101MB1427.CANPRD01.PROD.OUTLOOK.COM>
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> On 9 Jan 2020, at 05:24, Rick Macklem <rmacklem@uoguelph.ca> wrote: >=20 > The attached patch changes the xid to be a global for all = "connections" for > the krpc UDP client. >=20 > You could try it if you'd like. It passed a trivial test, but I don't = know why > there is that "misfeature" comment means, so I don't know if this = breaks that. >=20 > I can't think of why "xid" would have been per-connection (especially = since a > connection is a questionable concept for UDP), except that this might = have > originated in a userland library and carried into the kernel during = porting. >=20 > rick I will try it ASAP, in the meantime the new behavior of the NetAPP has = been disabled, and since I still don=E2=80=99t know what is causing the unexplained = huge number of unlock requests, it=E2=80=99s going to be a long debug process. also, I will see how to switch to TCP for the NLM protocol with minor = disruption. thanks, danny [=E2=80=A6]=20=
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