Hi, Is it possible that you can provide more info about this isuee. I mean: qemu cmdline/libvirt xml, ovs cmdline, guest driver version and etc… Or it’s hard to reproduce the issue.
Thanks, Chenbo From: Bendror, Eran (Nokia - US) <eran.bend...@nokia.com> Sent: Wednesday, November 17, 2021 10:42 PM To: ktray...@redhat.com Cc: a...@cisco.com; Xia, Chenbo <chenbo....@intel.com>; dev@dpdk.org; Stokes, Ian <ian.sto...@intel.com>; maxime.coque...@redhat.com; y...@cisco.com Subject: Re: [dpdk-dev] [ovs-dev] ovs-vswitchd with DPDK crashed when guest VM restarts network service Hello, I am wondering if there was any progress in this topic, we are seeing a very similar issue, where a VM level application restart triggers segmentation fault and failed to allocate MBuf on the host level CentOS Linux release 7.8.2003 (Core) dpdk-18.11.5-1.el7_8.x86_64 openvswitch-2.11.0-4.el7.x86_64 libvirt 4.5.0 QEMU 4.5.0 (API) QEMU 2.12.0 3.10.0-1127.13.1.el7.x86_64 And we get the same crash #0 0x00007f96cb72e7ee in rte_memcpy_generic () from /lib64/librte_vhost.so.4 #1 0x00007f96cb7350f2 in rte_vhost_dequeue_burst () from /lib64/librte_vhost.so.4 #2 0x00007f96caf97f03 in netdev_dpdk_vhost_rxq_recv () from /lib64/libopenvswitch-2.11.so.0 #3 0x00007f96caed21e6 in netdev_rxq_recv () from /lib64/libopenvswitch-2.11.so.0 #4 0x00007f96caea07ca in dp_netdev_process_rxq_port () from /lib64/libopenvswitch-2.11.so.0 #5 0x00007f96caea0ca5 in pmd_thread_main () from /lib64/libopenvswitch-2.11.so.0 #6 0x00007f96caf2da3f in ovsthread_wrapper () from /lib64/libopenvswitch-2.11.so.0 #7 0x00007f96c9ef3ea5 in start_thread () from /lib64/libpthread.so.0 #8 0x00007f96c94118dd in clone () from /lib64/libc.so.6 We have tried upgrading host level artifacts: dpdk-20.11.3-1.el7.x86_64 openvswitch-2.16.1-1.el7.x86_64 With backtrace: #0 0x00007f6b8b49748c in virtio_dev_tx_split_legacy () from /lib64/librte_vhost.so.21 #1 0x00007f6b8b4c0fdb in rte_vhost_dequeue_burst () from /lib64/librte_vhost.so.21 #2 0x000055bd714c2802 in netdev_dpdk_vhost_rxq_recv () #3 0x000055bd713f8e51 in netdev_rxq_recv () #4 0x000055bd713c9d2a in dp_netdev_process_rxq_port () #5 0x000055bd713ca1f9 in pmd_thread_main () #6 0x000055bd71455cdf in ovsthread_wrapper () #7 0x00007f6b8a6a9ea5 in start_thread () from /lib64/libpthread.so.0 #8 0x00007f6b89bc78dd in clone () from /lib64/libc.so.6 Regards, Eran
