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engine=8.12.0-2505160000 definitions=main-2505210147 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTIxMDE0NyBTYWx0ZWRfXyGwuLy4jtr8M UsNCL4/Pyk0w+Ku0ueA+KuywCdCwQgUz9wta695ITm6DzEf+rcMUvmxBhGppGZq+Gm/IcvIKHIz ev2AVsiT3Nw5sJjZ+arJ912K3hMOmSPy2CP8Vscrz5tbH378A9zvJ33HKZ9jGGSJ2+zLbn9r2lu LYNXf5v4BLquoED1Fi6rgMlmLYcMo0PYsRWQzwstG9SNBu2Y5oPg5Kdw6n3z6Ms0tfLof4vrbk7 aRPhcz1tIwscipTK5aY9N3804e5ORstHJXIgHlhKlzX1jyB8WXptCl4/6kMYYOcXBc4w5SLFwuH xlm3VEW8lse0P1J41cOjorU2+23ygA8MV0dVJZi5EgyF+zkxQzVVV5QRrJv6LUmk3b2TYu9oX1X IzTFZAKkpzIZNsALRedi77SVL78man28eE94jyJ0Z6OmeRXa11Z7FobnhWre9Pki2UXsA78D X-Proofpoint-GUID: zbsgPnNigrUHhk5NY9c7O45WQjcoG6cn X-Authority-Analysis: v=2.4 cv=QO9oRhLL c=1 sm=1 tr=0 ts=682deb4b b=1 cx=c_pps a=zPCbziy225d3KhSqZt3L1A==:117 a=zPCbziy225d3KhSqZt3L1A==:17 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=GoEa3M9JfhUA:10 a=yPCof4ZbAAAA:8 a=Xo-1OflTFCLLJV3nN9MA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 cc=ntf awl=host:13206 X-Proofpoint-ORIG-GUID: zbsgPnNigrUHhk5NY9c7O45WQjcoG6cn On 5/21/25 10:11 AM, 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 ] commit 3903902401451b1cd9d797a8c79769eb26ac7fe5 Author: NeilBrown AuthorDate: Tue Jul 18 16:38:08 2023 +1000 Commit: Chuck Lever CommitDate: Tue Aug 29 17:45:22 2023 -0400 nfsd: don't allow nfsd threads to be signalled. Adding Neil and the linux-nfs@ list ... > 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 > exportfs: /etc/exports [1]: Neither 'subtree_check' or > 'no_subtree_check' specified for export "*:/mnt/nfs_root". >   Assuming default behaviour ('no_subtree_check'). >   NOTE: this default has changed since nfs-utils version 1.0.x > > starting 8 nfsd kernel threads: done > starting mountd: done > exportfs: /etc/exports [1]: Neither 'subtree_check' or > 'no_subtree_check' specified for export "*:/mnt/nfs_root". >   Assuming default behaviour ('no_subtree_check'). >   NOTE: this default has changed since nfs-utils version 1.0.x > root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# echo > hello > /mnt/nfs_root/hello.txt > > root@intel-x86-64:/opt/wr-test/testcases/userspace/nfs-utils_v6# mkdir / > mnt/v6 > > 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 > > Thanks, > Haixiao > I am not able to reproduce this behavior: [root@pynfs-nfsd ~]# mount -v -o vers=3 [::1]:/export/pynfs-4.0 /mnt mount.nfs: timeout set for Wed May 21 10:55:59 2025 mount.nfs: trying text-based options 'vers=3,addr=::1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: trying ::1 prog 100003 vers 3 prot TCP port 2049 mount.nfs: prog 100005, trying vers=3, prot=17 mount.nfs: trying ::1 prog 100005 vers 3 prot UDP port 20048 [root@pynfs-nfsd ~]# nfsstat -m /mnt from [::1]:/export/pynfs-4.0 Flags: rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp6,timeo=600,retrans=2,sec=sys,mountaddr=::1,mountvers=3,mountport=20048,mountproto=udp6,local_lock=none,addr=::1 [root@pynfs-nfsd ~]# uname -r 5.10.237-g024a4a45fdf8 [root@pynfs-nfsd ~]# cat /etc/redhat-release Fedora release 33 (Thirty Three) [root@pynfs-nfsd ~]# Maybe I missed something. -- Chuck Lever