[Xen-API] XCP 1.5Beta1 constant warnings

[Tadas <retrry@xxxxxxxxx>]

I get this in dmesg every 10 or 15 minutes.
I have 2 VM's working in XCP. One is Debian 6 and other is Windows 2008R2 with GPLPV drivers.

------------[ cut here ]------------
WARNING: at net/core/dev.c:1594 skb_gso_segment+0x1a1/0x250()

Hardware name: IBM System x3400 M3 Server -[7379K4G]-
netbk: caps=(0x50801, 0x0) len=2960 data_len=2836 ip_summed=0
Modules linked in: tun iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi lockd sunrpc 8021q openvswitch_mod llc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_tcpudp iptable_filter ip_tables x_tables binfmt_misc dm_mirror video output sbs sbshc fan container battery ac parport_pc lp parport nvram sr_mod cdrom thermal evdev cdc_ether sg usb_storage usbnet rtc_cmos 8250_pnp mii rtc_core tpm_tis pata_acpi 8250 tpm processor usb_libusual usbhid button thermal_sys bnx2 serio_raw serial_core rtc_lib tpm_bios ata_piix ata_generic libata i2c_i801 i2c_core pcspkr dm_region_hash dm_log dm_mod megaraid_sas sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd usbcore fbcon font tileblit bitblit softcursor [last unloaded: microcode]

Pid: 1274, comm: netback/0 Tainted: GÂÂÂÂÂÂÂ WÂ 2.6.32.12-0.7.1.xs1.4.90.530.170661xen #1
Call Trace:
Â[<c0307a01>] ? skb_gso_segment+0x1a1/0x250
Â[<c0307a01>] ? skb_gso_segment+0x1a1/0x250
Â[<c012e0ac>] warn_slowpath_common+0x7c/0xa0

Â[<c0307a01>] ? skb_gso_segment+0x1a1/0x250
Â[<c012e116>] warn_slowpath_fmt+0x26/0x30
Â[<c0307a01>] skb_gso_segment+0x1a1/0x250
Â[<c0307bf5>] dev_hard_start_xmit+0x145/0x3c0
Â[<c031941d>] sch_direct_xmit+0x16d/0x1f0

Â[<c030ae81>] dev_queue_xmit+0x291/0x4b0
Â[<f02f37e3>] netdev_send+0xe3/0x2e0 [openvswitch_mod]
Â[<f02f193b>] vport_send+0x4b/0x110 [openvswitch_mod]
Â[<f02e9164>] do_output+0x14/0x30 [openvswitch_mod]

Â[<f02e9644>] execute_actions+0x4c4/0x650 [openvswitch_mod]
Â[<c02ff624>] ? __kfree_skb+0x34/0x80
Â[<c02ff6d0>] ? kfree_skb+0x20/0x40
Â[<c0384fe6>] ? _spin_lock_bh+0x16/0x100
Â[<c0384e53>] ? _spin_unlock_bh+0x23/0x30

Â[<f02eda4d>] ? flow_used+0x5d/0x90 [openvswitch_mod]
Â[<f02eb471>] dp_process_received_packet+0x91/0x200 [openvswitch_mod]
Â[<f02f189b>] vport_receive+0x4b/0xa0 [openvswitch_mod]
Â[<f02f3436>] netdev_frame_hook+0x46/0x90 [openvswitch_mod]

Â[<c0306dcf>] netif_receive_skb+0x1af/0x660
Â[<c0122150>] ? __wake_up+0x40/0x50
Â[<c030a2a2>] process_backlog+0x92/0xe0
Â[<c030a019>] net_rx_action+0x159/0x230
Â[<c013358a>] __do_softirq+0xba/0x180

Â[<c01336c5>] do_softirq+0x75/0x80
Â[<c030781a>] netif_rx_ni+0x1a/0x20
Â[<c02afb2f>] net_tx_action+0xf5f/0x15c0
Â[<c0120287>] ? sched_avg_update+0x17/0xd0
Â[<c0382a29>] ? schedule+0x2e9/0x970

Â[<c02b0dbe>] netbk_action_thread+0x9e/0x1e0
Â[<c0142b10>] ? autoremove_wake_function+0x0/0x50
Â[<c02b0d20>] ? netbk_action_thread+0x0/0x1e0
Â[<c0142854>] kthread+0x74/0x80
Â[<c01427e0>] ? kthread+0x0/0x80

Â[<c010483b>] kernel_thread_helper+0x7/0x10
---[ end trace efe0b44f65c8c65d ]---

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