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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2934.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2934.toml | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2934.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2934.toml new file mode 100644 index 00000000..76ac9ba8 --- /dev/null +++ b/gitlab/issues/target_missing/host_missing/accel_missing/2934.toml @@ -0,0 +1,72 @@ +id = 2934 +title = "RSS eBPF failed to load" +state = "opened" +created_at = "2025-04-26T09:58:46.917Z" +closed_at = "n/a" +labels = [] +url = "https://gitlab.com/qemu-project/qemu/-/issues/2934" +host-os = "Gentoo Linux" +host-arch = "x86_64" +qemu-version = "9.2.3" +guest-os = "Alpine Linux" +guest-arch = "x86_64" +description = """I am seeing a failure to load the eBPF program for rss steering.""" +reproduce = """1. Using libvirt, enable rss='on' for the vhost driver. +2. +3.""" +additional = """Libvirt log: +``` +libbpf: prog 'tun_rss_steering_prog': BPF program load failed: Invalid argument +libbpf: prog 'tun_rss_steering_prog': -- BEGIN PROG LOAD LOG -- +back-edge from insn 587 to 501 +processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0 +-- END PROG LOAD LOG -- +libbpf: prog 'tun_rss_steering_prog': failed to load: -22 +libbpf: failed to load object 'rss_bpf' +libbpf: failed to load BPF skeleton 'rss_bpf': -22 +2025-04-26T09:22:19.054471Z qemu-system-x86_64: -device {"driver":"virtio-net-pci","packed":true,"tx":"bh","ioeventfd":true,"event_idx":true,"host_ecn":true,"mrg_rxbuf":true,"guest_ecn":true,"mq":true,"vectors":14,"rx_queue_size":1024,"tx_queue_size":256,"rss":true,"netdev":"hostnet0","id":"net0","mac":"52:54:00:c3:6f:c2","bus":"pci.1","addr":"0x0"}: warning: Unable to load eBPF program +``` +[qemu-log.txt](/uploads/2d5e49a38a54297586a4b1f16423fc27/qemu-log.txt) + +XML: +```xml + <interface type='bridge'> + <mac address='52:54:00:be:49:ff'/> + <source bridge='inet'/> + <model type='virtio'/> + <driver name='vhost' txmode='iothread' ioeventfd='on' event_idx='on' queues='6' rx_queue_size='1024' tx_queue_size='256' rss='on' packed='on'> + <host ecn='on' mrg_rxbuf='on'/> + <guest ecn='on'/> + </driver> + <link state='up'/> + <address type='pci' domain='0x0000' bus='0x08' slot='0x00' function='0x0'/> + </interface> +``` + +Host kernel .config: +``` +❯ zcat /proc/config.gz |grep -i bpf +CONFIG_BPF=y +CONFIG_HAVE_EBPF_JIT=y +CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y +# BPF subsystem +CONFIG_BPF_SYSCALL=y +CONFIG_BPF_JIT=y +CONFIG_BPF_JIT_ALWAYS_ON=y +CONFIG_BPF_JIT_DEFAULT_ON=y +CONFIG_BPF_UNPRIV_DEFAULT_OFF=y +# CONFIG_BPF_PRELOAD is not set +# CONFIG_BPF_LSM is not set +# end of BPF subsystem +CONFIG_CGROUP_BPF=y +CONFIG_NETFILTER_BPF_LINK=y +CONFIG_NETFILTER_XT_MATCH_BPF=m +CONFIG_NET_CLS_BPF=m +CONFIG_NET_ACT_BPF=m +CONFIG_BPF_STREAM_PARSER=y +CONFIG_LWTUNNEL_BPF=y +# HID-BPF support +CONFIG_HID_BPF=y +# end of HID-BPF support +CONFIG_BPF_EVENTS=y +```""" |