Date: Wed, 25 Nov 2020 22:24:39 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 251347] NFS hangs on client side when mounted from outside in Jail Tree (BROKEN NFS SERVER OR MIDDLEWARE) Message-ID: <bug-251347-227-rd3GgnqPLV@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-251347-227@https.bugs.freebsd.org/bugzilla/> References: <bug-251347-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D251347 Konstantin Belousov <kib@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kib@FreeBSD.org --- Comment #5 from Konstantin Belousov <kib@FreeBSD.org> --- First, switch to 12.2. There were fixes for some NFS client issues that mi= ght be relevant (could be not). I am sure that NFS client is not VNET-aware, i.e. it does not switch context to the proper VNET as needed. Esp. when offloading async io to nfsiod daem= ons. In other words, I do not expect the scenario 3 to work. For the second scenario, nullfs remount of NFS mount, VNET jail should be irrelevant. When the hang occurs, gather the procstat -kk -a output (on the host). Also it might worth a try to '-o nocache' for nullfs mounts, I reme= mber there were some problems with nullfs+nfs+caching. --=20 You are receiving this mail because: You are the assignee for the bug.=
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