Date: Tue, 24 Mar 2020 00:29:05 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 245022] Problem with FreeBSD NLM interoperating with Netapp Filer after software upgrade Message-ID: <bug-245022-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D245022 Bug ID: 245022 Summary: Problem with FreeBSD NLM interoperating with Netapp Filer after software upgrade Product: Base System Version: 11.2-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: rmacklem@FreeBSD.org Created attachment 212663 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D212663&action= =3Dedit create a tunable to set the NLM client to use TCP After upgrading the software on a Netapp Filer, serious interoperability problems were observed between the FreeBSD NLM client and Netapp server. (The NLM protocol is a separate protocol from NFSv3 that provides file locking. Also known as rpc.lockd.) Reported via email by Daniel Braniss (danny@cs.huji.ac.il). Although the problem(s) were not completely diagnosed, it appeared to be related to reuse of the xid in the RPC over UDP header. Adam McDougall (mcdouga9@egr.msu.edu) mentioned resolving a similar issue with the FreeBSD NLM->Netapp Filer by switching the NLM to use TCP instead of UDP. I have created this bug report to track this and have two simple patches that might resolve (or make it easier to deal with) attached here. --=20 You are receiving this mail because: You are the assignee for the bug.=
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