Date: Sat, 3 Nov 2012 15:40:16 -0500 (CDT) From: Bryan Venteicher <bryanv@daemoninthecloset.org> To: bane ivosev <bane.ivosev@pmf.uns.ac.rs> Cc: freebsd-stable@freebsd.org Subject: Re: kvm vlan virtio problem Message-ID: <1542441515.1609.1351975216870.JavaMail.root@daemoninthecloset.org> In-Reply-To: <50956C99.9060708@pmf.uns.ac.rs>
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Hi, ----- Original Message ----- > From: "Bane Ivosev" <bane.ivosev@pmf.uns.ac.rs> > To: freebsd-stable@freebsd.org > Sent: Saturday, November 3, 2012 2:12:25 PM > Subject: kvm vlan virtio problem > > hi, i have several kvm ubuntu 12.04 and centos 6 hosts with standard > bridged network setup. same problem on each server with freebsd 9 > amd64 > guest and virtio nic: soon after guest start host syslog is filling > with > this message at very high rate. guest is working without any problem. > with e1000 guest driver eveything is ok. > > does enyone have/had same problem? > > thanks. > I have a vague recollection of looking at something similar last year... Do you have VLAN configured in the guest as well? What is the ifconfig output? Does disabling TSO on the vtnetX device make these messages go away? Bryan > > kernel: [2337728.094141] ------------[ cut here ]------------ > kernel: [2337728.094144] WARNING: at > /build/buildd/linux-3.2.0/net/core/dev.c:1955 > skb_gso_segment+0x341/0x3b0() > kernel: [2337728.094146] Hardware name: System x3550 M3 -[7944K3G]- > kernel: [2337728.094148] 802.1Q VLAN Support: caps=(0x30195833, > 0x0) > len=3196 data_len=0 ip_summed=0 > kernel: [2337728.094149] Modules linked in: dm_snapshot > ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE > iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state > nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp > iptable_filter ip_tables x_tables kvm_intel kvm dm_crypt nfsd nfs > lockd > fscache auth_rpcgss nfs_acl sunrpc nls_iso8859_1 nls_cp437 vfat fat > 8021q garp bridge stp serio_raw cdc_ether usbnet vhost_net macvtap > i7core_edac macvlan shpchp ioatdma edac_core dca tpm_tis lp parport > mac_hid btrfs zlib_deflate libcrc32c usbhid hid megaraid_sas bnx2 > kernel: [2337728.094177] Pid: 8685, comm: vhost-8683 Tainted: G > W 3.2.0-31-generic #50-Ubuntu > kernel: [2337728.094179] Call Trace: > kernel: [2337728.094180] <IRQ> [<ffffffff81066d7f>] > warn_slowpath_common+0x7f/0xc0 > kernel: [2337728.094185] [<ffffffff81066e76>] > warn_slowpath_fmt+0x46/0x50 > kernel: [2337728.094188] [<ffffffff8153f581>] > skb_gso_segment+0x341/0x3b0 > kernel: [2337728.094191] [<ffffffff81542ee1>] > dev_hard_start_xmit+0xc1/0x540 > kernel: [2337728.094196] [<ffffffffa01c0150>] ? br_flood+0xc0/0xc0 > [bridge] > kernel: [2337728.094199] [<ffffffff8154360a>] > dev_queue_xmit+0x2aa/0x420 > kernel: [2337728.094203] [<ffffffffa01c01e2>] > br_dev_queue_push_xmit+0x92/0xd0 [bridge] > kernel: [2337728.094208] [<ffffffffa01c0278>] > br_forward_finish+0x58/0x60 [bridge] > kernel: [2337728.094212] [<ffffffffa01c042b>] > __br_forward+0xab/0xd0 > [bridge] > kernel: [2337728.094217] [<ffffffffa01c04ed>] br_forward+0x5d/0x70 > [bridge] > kernel: [2337728.094221] [<ffffffffa01c11c2>] > br_handle_frame_finish+0x182/0x2a0 [bridge] > kernel: [2337728.094226] [<ffffffffa01c14a8>] > br_handle_frame+0x1c8/0x270 [bridge] > kernel: [2337728.094231] [<ffffffffa01c12e0>] ? > br_handle_frame_finish+0x2a0/0x2a0 [bridge] > kernel: [2337728.094234] [<ffffffff81540892>] > __netif_receive_skb+0x1e2/0x520 > kernel: [2337728.094237] [<ffffffff81540ff1>] > process_backlog+0xb1/0x190 > kernel: [2337728.094240] [<ffffffff815422e4>] > net_rx_action+0x134/0x290 > kernel: [2337728.094242] [<ffffffff8165a4fe>] ? > _raw_spin_lock+0xe/0x20 > kernel: [2337728.094245] [<ffffffff8106e528>] > __do_softirq+0xa8/0x210 > kernel: [2337728.094248] [<ffffffff81664d6c>] > call_softirq+0x1c/0x30 > kernel: [2337728.094249] <EOI> [<ffffffff81015305>] > do_softirq+0x65/0xa0 > kernel: [2337728.094254] [<ffffffff815427c8>] > netif_rx_ni+0x28/0x30 > kernel: [2337728.094258] [<ffffffff81478ec6>] > tun_get_user+0x306/0x4a0 > kernel: [2337728.094261] [<ffffffff81479085>] > tun_sendmsg+0x25/0x30 > kernel: [2337728.094265] [<ffffffffa01b09b6>] > handle_tx+0x296/0x530 > [vhost_net] > kernel: [2337728.094269] [<ffffffffa01b0c85>] > handle_tx_kick+0x15/0x20 [vhost_net] > kernel: [2337728.094273] [<ffffffffa01ade3d>] > vhost_worker+0xdd/0x170 > [vhost_net] > kernel: [2337728.094276] [<ffffffffa01add60>] ? > vhost_set_memory+0x130/0x130 [vhost_net] > kernel: [2337728.094279] [<ffffffff8108a03c>] kthread+0x8c/0xa0 > kernel: [2337728.094282] [<ffffffff81664c74>] > kernel_thread_helper+0x4/0x10 > kernel: [2337728.094285] [<ffffffff81089fb0>] ? > flush_kthread_worker+0xa0/0xa0 > kernel: [2337728.094287] [<ffffffff81664c70>] ? > gs_change+0x13/0x13 > kernel: [2337728.094289] ---[ end trace a38cf088269411b3 ]--- > kernel: [2337728.094731] ------------[ cut here ]------------ > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to > "freebsd-stable-unsubscribe@freebsd.org" >
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