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Diffstat (limited to 'results/scraper/launchpad-without-comments/1863096')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1863096 | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1863096 b/results/scraper/launchpad-without-comments/1863096 new file mode 100644 index 000000000..abe1b0b1f --- /dev/null +++ b/results/scraper/launchpad-without-comments/1863096 @@ -0,0 +1,66 @@ +vhost-user multi-queues interrupt failed when Qemu reconnection happens + +After upgrade qemu to v4.2.0, vhost-user multi-queues interrupt failed with event idx interrupt mode when reconnection happens. + +Test Environment: +DPDK version: DPDK v19.11 +Other software versions: qemu 4.2.0. +OS: Linux 4.15.0-20-generic +Compiler: gcc (Ubuntu 7.3.0-16ubuntu3) 7.3.0 +Hardware platform: Purley. + +The reproduce step is: +1. Launch l3fwd-power example app with client mode:: + + ./l3fwd-power -l 1-16 \ + -n 4 --socket-mem 1024,1024 --legacy-mem --no-pci\ + --log-level=9 \ + --vdev 'eth_vhost0,iface=/vhost-net0,queues=16,client=1' \ + -- -p 0x1 \ + --parse-ptype 1 \ + --config "(0,0,1),(0,1,2),(0,2,3),(0,3,4),(0,4,5),(0,5,6),(0,6,7),(0,7,8),(0,8,9),(0,9,10),(0,10,11),(0,11,12),(0,12,13),(0,13,14),(0,14,15),(0,15,16)" + +2. Launch VM1 with server mode: + +3. Relauch l3fwd-power sample to for reconnection: + + ./l3fwd-power -l 1-16 \ + -n 4 --socket-mem 1024,1024 --legacy-mem --no-pci\ + --log-level=9 \ + --vdev 'eth_vhost0,iface=/vhost-net0,queues=16,client=1' \ + -- -p 0x1 \ + --parse-ptype 1 \ + --config "(0,0,1),(0,1,2),(0,2,3),(0,3,4),(0,4,5),(0,5,6),(0,6,7),(0,7,8),(0,8,9),(0,9,10),(0,10,11),(0,11,12),(0,12,13),(0,13,14),(0,14,15),(0,15,16)" + +4. Set vitio-net with 16 quques and give vitio-net ip address: + + ethtool -L [ens3] combined 16 # [ens3] is the name of virtio-net + ifconfig [ens3] 1.1.1.1 + +5. Send packets with different IPs from virtio-net, notice to bind each vcpu to different send packets process:: + + taskset -c 0 ping 1.1.1.2 + taskset -c 1 ping 1.1.1.3 + taskset -c 2 ping 1.1.1.4 + taskset -c 3 ping 1.1.1.5 + taskset -c 4 ping 1.1.1.6 + taskset -c 5 ping 1.1.1.7 + taskset -c 6 ping 1.1.1.8 + taskset -c 7 ping 1.1.1.9 + taskset -c 8 ping 1.1.1.2 + taskset -c 9 ping 1.1.1.2 + taskset -c 10 ping 1.1.1.2 + taskset -c 11 ping 1.1.1.2 + taskset -c 12 ping 1.1.1.2 + taskset -c 13 ping 1.1.1.2 + taskset -c 14 ping 1.1.1.2 + taskset -c 15 ping 1.1.1.2 + +If everything ok, then we can see the result such as following: + + L3FWD_POWER: lcore 0 is waked up from rx interrupt on port 0 queue 0 + ... + ... + L3FWD_POWER: lcore 15 is waked up from rx interrupt on port 0 queue 15 + +But we can't see the log above because of the bug. \ No newline at end of file |