Hi Dumitru, I have been facing segmantation fault everytime when I trigger lr-nat-add with dnat_and_snat. It is distro from centros and it is on rocky 9.1.
> # ovn-nbctl --no-leader-only lr-nat-add > a_4a3e9209_8826_4561_9c58_4a852bd61c45_lr_3a735720_c52f_4e6c_856c_4a0dac424a1e > dnat_and_snat 91.106.223.172 10.100.140.137 > Segmentation fault (core dumped) > [root@ovn ~]# cat /etc/os-release > NAME="Rocky Linux" > VERSION="9.1 (Blue Onyx)" > ID="rocky" > ID_LIKE="rhel centos fedora" > VERSION_ID="9.1" > PLATFORM_ID="platform:el9" > PRETTY_NAME="Rocky Linux 9.1 (Blue Onyx)" > ANSI_COLOR="0;32" > LOGO="fedora-logo-icon" > CPE_NAME="cpe:/o:rocky:rocky:9::baseos" > HOME_URL="https://rockylinux.org/"; > BUG_REPORT_URL="https://bugs.rockylinux.org/"; > ROCKY_SUPPORT_PRODUCT="Rocky-Linux-9" > ROCKY_SUPPORT_PRODUCT_VERSION="9.1" > REDHAT_SUPPORT_PRODUCT="Rocky Linux" > REDHAT_SUPPORT_PRODUCT_VERSION="9.1" thanks Srini On Mon, Feb 19, 2024 at 6:25 AM Dumitru Ceara <dce...@redhat.com> wrote: > On 2/13/24 00:10, Sri kor via discuss wrote: > > Hi Team, > > When I am trying to add the nat entry for LR, ovn-nbctl cored. here is > > back trace. > > Hi, > > > > > [root@ovnkube-db-0 ~]# ovn-nbctl --no-leader-only lr-nat-add > > > a_4a3e9209_8826_4561_9c58_4a852bd61c45_lr_a2b89a8a_530a_446f_bf6c_ecf223a7af22 > dnat_and_snat 91.106.221.145 10.10.10.10 > > */Segmentation fault (core dumped)/* > > [root@ovnkube-db-0 ~]# ovn-nbctl --version > > ovn-nbctl 23.09.1 > > Open vSwitch Library 3.2.2 > > DB Schema 7.1.0 > > [root@ovnkube-db-0 ~]# > > > > > > (gdb) core-file core.ovn-nbctl.60392.1707778809 > > [New LWP 60392] > > [Thread debugging using libthread_db enabled] > > Using host libthread_db library "/lib64/libthread_db.so.1". > > Core was generated by `ovn-nbctl --no-leader-only lr-nat-add > > a_4a3e9209_8826_4561_9c58_4a852bd61c45_lr'. > > Program terminated with signal SIGSEGV, Segmentation fault. > > #0 0x000079ebeb4d958b in __strcmp_avx2 () from /lib64/libc.so.6 > > (gdb) bt > > #0 0x000079ebeb4d958b in __strcmp_avx2 () from /lib64/libc.so.6 > > #1 0x000055f5ecdb1d39 in nbctl_lr_nat_add.lto_priv () > > #2 0x000055f5ecd9d39a in main_loop.lto_priv () > > #3 0x000055f5ecd998a2 in main () > > (gdb) > > > > I tried this in a sandbox built from v23.09.1: > > $ ovn-nbctl lr-add > > a_4a3e9209_8826_4561_9c58_4a852bd61c45_lr_a2b89a8a_530a_446f_bf6c_ecf223a7af22 > $ ovn-nbctl --no-leader-only lr-nat-add > > a_4a3e9209_8826_4561_9c58_4a852bd61c45_lr_a2b89a8a_530a_446f_bf6c_ecf223a7af22 > dnat_and_snat 91.106.221.145 10.10.10.10 > $ > > And it doesn't seem to crash. Is OVN built from source in your case? > If so, can you please share the first part of config.log, e.g.: > > $ head -10 config.log > > If this is a distro provided package, can you please share the distro > and version? > > Thanks, > Dumitru > >
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