[Xen-users] Network problem in domU pcifront

Hi all,

my problem is that I have made in an Ubuntu 10.04 domU, pciback for a Ethernet card, and when I try to ifup eth1, the system crash.

All seems ok, in fact, when I execute "lspci" in domU, I get the pci id device:
00:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12)

The network card driver is loaded fine. This is the result of dmesg | grep -E "bnx2|eth" on domU:
[    2.052897] Initialising Xen virtual ethernet driver.
[    2.303866] Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.0.23b (Feb 01, 2011)
[    2.304003] bnx2 0000:00:00.0: enabling device (0000 -> 0002)
[    2.304237] bnx2 0000:00:00.0: Xen PCI enabling IRQ: 19
[    2.320865] eth1: Broadcom NetXtreme II BCM5708 1000Base-T (B2) PCI-X 64-bit 133MHz found at mem d2000000, IRQ 19, node addr 00:10:18:39:9a:f0
[   13.490065] eth0: no IPv6 routers present

When I execute "ifup eth1", the system hangs, and after force reboot, I get the next message:

[    2.690875] ------------[ cut here ]------------
[    2.690888] kernel BUG at /home/kernel-ppa/COD/linux/drivers/pci/msi.c:314!
[    2.690895] invalid opcode: 0000 [#1] SMP
[    2.690903] last sysfs file: /sys/devices/pci-0/pci0000:00/0000:00:00.0/device
[    2.690910] CPU 0
[    2.690914] Modules linked in: bnx2 lp xen_netfront parport xen_pcifront xen_blkfront
[    2.690932]
[    2.690937] Pid: 400, comm: ifconfig Not tainted 2.6.37-020637-generic #201101050908 /
[    2.690943] RIP: e030:[<ffffffff81300d7b>] [<ffffffff81300d7b>] free_msi_irqs+0x8b/0x130
[    2.690959] RSP: e02b:ffff880037d6bc58 EFLAGS: 00010286
[    2.690964] RAX: ffff88003a018000 RBX: 0000000000000000 RCX: ffff880039c00680
[    2.690971] RDX: 0000000000000000 RSI: 00000000000000ff RDI: ffff880039c00470
[    2.690977] RBP: ffff880037d6bc88 R08: 0000000000000000 R09: 0000000000000000
[    2.690983] R10: ffff88003ffe5a58 R11: 0000000000000000 R12: ffff88003839ba80
[    2.690990] R13: 0000000000000001 R14: ffff88003839ba90 R15: ffff88003644c000
[    2.690999] FS: 00007f4ee31d1700(0000) GS:ffff88003ffd2000(0000) knlGS:0000000000000000
[    2.691007] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[    2.691014] CR2: 00007f4ee2d7bbdc CR3: 0000000038795000 CR4: 0000000000002660
[    2.691021] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[    2.691028] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[    2.691035] Process ifconfig (pid: 400, threadinfo ffff880037d6a000, task ffff880038385b00)
[    2.691042] Stack:
[    2.691046] ffff88003644c8f8 ffff88003644c000 ffff8800375f86c0 0000000000000000
[    2.691059] ffff8800375f8700 ffffffffa00445f0 ffff880037d6bca8 ffffffff813015fd
[    2.691071] 0000000100000001 0000000000000001 ffff880037d6bcd8 ffffffffa0040442
[    2.691084] Call Trace:
[    2.691094] [<ffffffffa00445f0>] ? bnx2_poll_msix+0x0/0xd0 [bnx2]
[    2.691103] [<ffffffff813015fd>] pci_disable_msi+0x3d/0x50
[    2.691111] [<ffffffffa0040442>] bnx2_free_irq+0xc2/0xd0 [bnx2]
[    2.691120] [<ffffffffa00473ea>] bnx2_open+0x16a/0x42c [bnx2]
[    2.691129] [<ffffffff814b690e>] __dev_open+0x8e/0xe0
[    2.691137] [<ffffffff814b5a56>] __dev_change_flags+0x96/0x170
[    2.691144] [<ffffffff814b62e8>] dev_change_flags+0x28/0x70
[    2.691153] [<ffffffff8151b5e7>] devinet_ioctl+0x5c7/0x710
[    2.691161] [<ffffffff8151c863>] inet_ioctl+0x63/0x80
[    2.691168] [<ffffffff814a27b2>] sock_do_ioctl+0x32/0x60
[    2.691175] [<ffffffff814a2d17>] sock_ioctl+0x107/0x280
[    2.691184] [<ffffffff8116eafd>] vfs_ioctl+0x1d/0x50
[    2.691190] [<ffffffff8116f5cd>] do_vfs_ioctl+0x6d/0x1f0
[    2.691198] [<ffffffff8115d2d1>] ? sys_faccessat+0x171/0x1b0
[    2.691206] [<ffffffff8116f7d7>] sys_ioctl+0x87/0xa0
[    2.691214] [<ffffffff8100c0c2>] system_call_fastpath+0x16/0x1b
[    2.691220] Code: ed 7e 22 31 db 89 df 41 03 7c 24 0c e8 9f fd dc ff 48 83 78 48 00 75 13 83 c3 01 44 39 eb 75 e5 49 8b 44 24 10 4c 8d 60 f0 eb a4 <0f> 0b eb fe 90 4c 89 ff ff 15 07 cf 70 00 4d 8b a7 f8 08 00 00
[    2.691318] RIP [<ffffffff81300d7b>] free_msi_irqs+0x8b/0x130
[    2.691326] RSP <ffff880037d6bc58>
[    2.691332] ---[ end trace a66562e0bfc96760 ]---

The curious thing, is that the two IP address configured, are able to respond to ping requests, but not at the ssh request.

Please, any help are wellcome.
Thanks in advance.

--

    Francisco Barrera

    francisco.barrera@xxxxxxxxx
    http://www.empelt.es

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[Xen-users] Network problem in domU pcifront