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15.20.8746.031; Thu, 22 May 2025 04:34:57 +0000 Message-ID: Date: Thu, 22 May 2025 12:35:56 +0800 User-Agent: Mozilla Thunderbird Subject: Re: nfs mount failed with ipv6 addr To: NeilBrown Cc: chuck.lever@oracle.com, stable@vger.kernel.org, linux-kernel@vger.kernel.org References: <6bb8f01e-628d-4353-8ed5-f77939e99df9@windriver.com> <174787036205.62796.16633284882232555223@noble.neil.brown.name> Content-Language: en-US From: Haixiao Yan In-Reply-To: <174787036205.62796.16633284882232555223@noble.neil.brown.name> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: TYCP301CA0057.JPNP301.PROD.OUTLOOK.COM (2603:1096:400:384::8) To CH0PR11MB8189.namprd11.prod.outlook.com (2603:10b6:610:18d::13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH0PR11MB8189:EE_|PH0PR11MB7521:EE_ 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definitions=main-2505220043 On 2025/5/22 07:32, NeilBrown wrote: > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender and know the content is safe. > > On Thu, 22 May 2025, Yan, Haixiao (CN) wrote: >> On linux-5.10.y, my testcase run failed: >> >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# mount -t nfs [::1]:/mnt/nfs_root /mnt/v6 -o nfsvers=3 >> mount.nfs: requested NFS version or transport protocol is not supported >> >> The first bad commit is: >> >> commit 7229200f68662660bb4d55f19247eaf3c79a4217 >> Author: Chuck Lever >> Date: Mon Jun 3 10:35:02 2024 -0400 >> >> nfsd: don't allow nfsd threads to be signalled. >> >> [ Upstream commit 3903902401451b1cd9d797a8c79769eb26ac7fe5 ] >> >> >> Here is the test log: >> >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# dd if=/dev/zero of=/tmp/nfs.img bs=1M count=100 >> 100+0 records in >> 100+0 records out >> 104857600 bytes (105 MB, 100 MiB) copied, 0.0386658 s, 2.7 GB/s >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# mkfs /tmp/nfs.img >> mke2fs 1.46.1 (9-Feb-2021) >> Discarding device blocks: 1024/102400 done >> Creating filesystem with 102400 1k blocks and 25688 inodes >> Filesystem UUID: 77e3bc56-46bb-4e5c-9619-d9a0c0999958 >> Superblock backups stored on blocks: >> 8193, 24577, 40961, 57345, 73729 >> >> Allocating group tables: 0/13 done >> Writing inode tables: 0/13 done >> Writing superblocks and filesystem accounting information: 0/13 done >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# mount /tmp/nfs.img /mnt >> >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# mkdir /mnt/nfs_root >> >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# touch /etc/exports >> >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# echo '/mnt/nfs_root *(insecure,rw,async,no_root_squash)' >> /etc/exports >> >> root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# /opt/wr-test/bin/svcwp.sh nfsserver restart >> stopping mountd: done >> stopping nfsd: ..........failed >> using signal 9: >> ..........failed > What does your "nfsserver" script do to try to stop/restart the nfsd? > For a very long time the approved way to stop nfsd has been to run > "rpc.nfsd 0". My guess is that whatever script you are using still > trying to send a signal to nfsd. That no longer works. > > Unfortunately the various sysv-init scripts for starting/stopping nfsd > have never been part of nfs-utils so we were not able to update them. > nfs-utils *does* contain systemd unit files for sites which use systemd. > > If you have a non-systemd way of starting/stopping nfsd, we would be > happy to make the relevant scripts part of nfs-utils so that we can > ensure they stay up to date. Actually, we use  service nfsserver restart  => /etc/init.d/nfsserver => stop_nfsd(){     # WARNING: this kills any process with the executable     # name 'nfsd'.     echo -n 'stopping nfsd: '     start-stop-daemon --stop --quiet --signal 1 --name nfsd     if delay_nfsd || {         echo failed         echo ' using signal 9: '         start-stop-daemon --stop --quiet --signal 9 --name nfsd         delay_nfsd     }     then         echo done     else         echo failed     fi } Thanks, Haixiao > Thanks, > NeilBrown