From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F5BD10E9 for ; Fri, 13 Jun 2025 12:32:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749817969; cv=none; b=JmCre8rD784v1VGuQDUUoL1TsRaDQyy0DmScMB9HY7KKI+pA8xjgUGXks2emVZDw+YH0QRNVNOkRD6vH+4r2q9n5l31hab1eoHm5irCGC6+2aCoqxne9AqDQwgGnzhRaSwWgec99DkUgoEwA5q0wP6ewOk2RaeIL63M6EFx9Ffs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749817969; c=relaxed/simple; bh=Y7stRnCMPkgguDzOdN652geU6LWdLukinjicF/QbR4Q=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=VsAy1BBXSul/ogda+CtN5sjrTr/YYEIinsmLRRsuZkPFEbiMQRZv/X3WeFBMmHy9hX4Mh5k3X9DXzskvv1tD/YB6Ld/E4HfSA4F1jplCWzOH/Is6CspqP5Za+xgT/bUxiOpiHOmi9FxAYBSvUtHsDxXZY6XpX9UARttLG6M2iY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SH+R4TPh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SH+R4TPh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D5ECC4CEE3; Fri, 13 Jun 2025 12:32:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749817968; bh=Y7stRnCMPkgguDzOdN652geU6LWdLukinjicF/QbR4Q=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=SH+R4TPhCVbMqH0cMoj1BCmYuHqpSfOGNFjaqNCWMb0N4Hgn7tBrqxnL49mCCHTBJ Rj0TdPySYIMi2lSTEoI3TVUgD7q3ONuPYqThRb5xhrofobaT4rL5k+cPAieRpjOkis sMU3fY1crONdXF6nSxWtG8K56XKOf3xXXcYvZ4D9D+pF0hjZ/YpVopzfzGhCFUpkA7 Qe+HUq9v4kXvehORXWbjzXaBM7vFF3tzKWj+mpC4grTQ0G9DN5+3MVtAvc0ZkLwsLo 8sfjwXfIplAEzsLtXDhpBeC4Am7nChASOfRzhi98kFkr5tGb/RZyeQZ5qXorHwmByf S/tLY45yFi7MQ== Message-ID: Subject: Re: unable to run NFSD in container if "options sunrpc pool_mode=pernode" From: Jeff Layton To: Mike Snitzer Cc: steved@redhat.com, Chuck Lever , NeilBrown , linux-nfs@vger.kernel.org Date: Fri, 13 Jun 2025 08:32:47 -0400 In-Reply-To: References: <6bb9e9cce27e2a222bf55e272d690aab8f0eef13.camel@kernel.org> <73c6caaa51804da9ae850ee65b6ab51640706d74.camel@kernel.org> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 0OX6MYPtv76hka8lW4mnRmZqqx3UtfHX/hF/zH24Gj7A6sYKYLCU3YrI2Ogiu7/ksKcl7goQjpvtV 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Snitzer wrote: > > > On Fri, May 23, 2025 at 07:09:27PM -0400, Mike Snitzer wrote: > > > > On Fri, May 23, 2025 at 06:40:45PM -0400, Jeff Layton wrote: > > > > > On Fri, 2025-05-23 at 18:19 -0400, Mike Snitzer wrote: > > > > > > On Fri, May 23, 2025 at 02:40:17PM -0400, Jeff Layton wrote: > > > > > > > On Fri, 2025-05-23 at 14:29 -0400, Mike Snitzer wrote: > > > > > > > > I don't know if $SUBJECT ever worked... but with latest 6.1= 5 or > > > > > > > > nfsd-testing if I just use pool_mode=3Dglobal then all is f= ine. > > > > > > > >=20 > > > > > > > > If pool_mode=3Dpernode then mounting the container's NFSv3 = export fails. > > > > > > > >=20 > > > > > > > > I haven't started to dig into code yet but pool_mode=3Dpern= ode works > > > > > > > > perfectly fine if NFSD isn't running in a container. > > > > > > > >=20 > > > > >=20 > > > > > Oops, I went and looked and nfsd isn't running in a container on = these > > > > > boxes. There are some other containerized apps running on the box= , but > > > > > nfsd isn't running in a container. > > > >=20 > > > > OK. > > > >=20 > > > > > > I'm using nfs-utils-2.8.2. I don't see any nfsd threads runnin= g if I > > > > > > use "options sunrpc pool_mode=3Dpernode". > > > > > >=20 > > > > >=20 > > > > > I'll have a look soon, but if you figure it out in the meantime, = let us > > > > > know. > > > >=20 > > > > Will do. > > > >=20 > > > > Just the latest info I have, with sunrpc's pool_mode=3Dpernode dd h= angs > > > > with this stack trace: > > >=20 > > > Turns out this pool_mode=3Dpernode issue is a regression caused by th= e > > > very recent nfs-utils 2.8.2 (I rebuilt EL10's nfs-utils package, > > > because why not upgrade to the latest!?). > > >=20 > > > If I use EL9.5's latest nfs-utils-2.5.4-37.el8.x86_64 then sunrpc's > > > pool_mode=3Dpernode works fine. > > >=20 > > > And this issue doesn't have anything to do with running in a containe= r > > > (it seemed to be container related purely because I happened to be > > > seeing the issue with an EL9.5 container that had the EL10-based > > > nfs-utils 2.8.2 installed). > > >=20 > > > Steved, unfortunately I'm not sure what the problem is with the newer > > > nfs-utils and setting "options sunrpc pool_mode=3Dpernode" > > >=20 > >=20 > > I tried to reproduce this using fedora-41 VMs (no f42 available for > > virt-builder yet), but everything worked. I don't have any actual NUMA > > hw here though, so maybe that matters? > >=20 > > Can you run this on the nfs server and send back the output? I'm > > wondering if this setting might not track the module option properly on > > that host for some reason: > >=20 > > # nfsdctl pool-mode >=20 > (from EL9.5 container with nfs-utils 2.8.2) > # nfsdctl pool-mode > pool-mode: pernode > npools: 2 >=20 > (on host) > # numactl -H > available: 2 nodes (0-1) > node 0 cpus: 0 1 2 3 4 5 6 7 > node 0 size: 11665 MB > node 0 free: 9892 MB > node 1 cpus: 8 9 10 11 12 13 14 15 > node 1 size: 6042 MB > node 1 free: 5127 MB > node distances: > node 0 1 > 0: 10 20 > 1: 20 10 >=20 > (and yeahh I was aware the newer nfs-utils uses the netlink interface, > will be interesting to pin down what the issue is with > pool-mode=3Dpernode) Hi Mike, I submitted a patch for this a couple of weeks ago: https://lore.kernel.org/linux-nfs/20250527-rpc-numa-v1-1-fa1d98e9a900@k= ernel.org/ Were you able to test it, and did it fix your issue? Thanks, --=20 Jeff Layton