On Tue, 13 Mar 2012, Konrad Rzeszutek Wilk wrote:

> On Tue, Mar 13, 2012 at 07:09:17PM +0000, Goncalo Gomes wrote:
> > On Tue, 13 Mar 2012, Goncalo Gomes wrote:
> >
> > > On Tue, 13 Mar 2012, Konrad Rzeszutek Wilk wrote:
> > >
> > > > > (XEN) mm.c:943:d0 Attempt to map superpage without allowsuperpage flag in hypervisor
> > > > > [    0.000000] ------------[ cut here ]------------
> > > > > [    0.000000] WARNING: at arch/x86/xen/multicalls.c:129 xen_mc_issue+0x34/0x62()
> > > > > [    0.000000] Hardware name: PowerEdge R310
> > > > > [    0.000000] Modules linked in:
> > > > > [    0.000000] Pid: 0, comm: swapper Not tainted 3.2.9 #9
> > > > > [    0.000000] Call Trace:
> > > > > [    0.000000]  [<c104236b>] ? warn_slowpath_common+0x6a/0x7b
> > > > > [    0.000000]  [<c1005442>] ? xen_mc_issue+0x34/0x62
> > > > > [    0.000000]  [<c1042389>] ? warn_slowpath_null+0xd/0x10
> > > > > [    0.000000]  [<c1005442>] ? xen_mc_issue+0x34/0x62
> > > > > [    0.000000]  [<c1005f3b>] ? xen_set_pmd_hyper+0x3c/0x42
> > > > > [    0.000000]  [<c102edbe>] ? set_pmd_pfn+0xde/0xf9
> > > > > [    0.000000]  [<c168b652>] ? init_alloc_remap+0x1b3/0x216
> > > > > [    0.000000]  [<c168aa48>] ? setup_node_data+0x4c/0x22f
> > > > > [    0.000000]  [<c168b203>] ? T.744+0x290/0x2c2
> > > > > [    0.000000]  [<c168b2ac>] ? T.743+0x77/0x1a1
> > > > > [    0.000000]  [<c1025290>] ? default_get_apic_id+0x14/0x33
> > > > > [    0.000000]  [<c168b3ed>] ? initmem_init+0x5/0xb7
> > > > > [    0.000000]  [<c167cef4>] ? setup_arch+0x5bf/0x694
> > > > > [    0.000000]  [<c100b840>] ? __spin_time_accum+0x26/0x36
> > > > > [    0.000000]  [<c167852c>] ? start_kernel+0x81/0x34d
> > > > > [    0.000000]  [<c167a258>] ? xen_start_kernel+0x554/0x55b
> > > > > [    0.000000] ---[ end trace 4eaa2a86a8e2da22 ]---
> > > >
> > > > So this is first time I am seeing this. It looks like something in 3.2 -> 3.2.9
> > > > is causing this. Can you do one more check - and just try booting the 3.2 virgin
> > > > and seeing how it works?
> > >
> > > Sure, I'll try it once I have a chance.
> >
> > With 3.2.0 + 4.1.2, all it took was booting domain0
> 
> I am really perplexed. I just booted 4.1.2 + 3.2.9 and 3.2.0 and I had no trouble.
> Can you send me your .config file please?

I can, see the attached config file1

> Oh wait, I am building 64-bit, you are doing 32-bit. Is your hypervisor 32-bit or
> 64-bit?

It is 32bit, as is the remaining setup. Is this not a valid 
configuration?

Goncalo


> > [    0.000000]  [<c1005442>] ? xen_mc_issue+0x34/0x62
> > [    0.000000]  [<c1042219>] ? warn_slowpath_null+0xd/0x10
> > [    0.000000]  [<c1005442>] ? xen_mc_issue+0x34/0x62
> > [    0.000000]  [<c1005f3b>] ? xen_set_pmd_hyper+0x3c/0x42
> > [    0.000000]  [<c102ec56>] ? set_pmd_pfn+0xde/0xf9
> > [    0.000000]  [<c16895c1>] ? init_alloc_remap+0x1b3/0x216
> > [    0.000000]  [<c16889b7>] ? setup_node_data+0x4c/0x22f
> > [    0.000000]  [<c1689172>] ? T.744+0x290/0x2c2
> > [    0.000000]  [<c168921b>] ? T.743+0x77/0x1a1
> > [    0.000000]  [<c10251bc>] ? default_get_apic_id+0x14/0x33
> > [    0.000000]  [<c168935c>] ? initmem_init+0x5/0xb7
> > [    0.000000]  [<c167aef4>] ? setup_arch+0x5bf/0x694
> > [    0.000000]  [<c100b842>] ? __spin_time_accum+0x26/0x36
> > [    0.000000]  [<c167652c>] ? start_kernel+0x81/0x34d
> > [    0.000000]  [<c1678258>] ? xen_start_kernel+0x554/0x55b
> > [    0.000000] ---[ end trace 4eaa2a86a8e2da2b ]---
> > (XEN) mm.c:943:d0 Attempt to map superpage without allowsuperpage flag in hypervisor
> > [    0.000000] ------------[ cut here ]------------
> > [    0.000000] WARNING: at arch/x86/xen/multicalls.c:129 xen_mc_issue+0x34/0x62()
> > [    0.000000] Hardware name: PowerEdge R310
> > [    0.000000] Modules linked in:
> > [    0.000000] Pid: 0, comm: swapper Tainted: G        W    3.2.0 #1
> > [    0.000000] Call Trace:
> > [    0.000000]  [<c10421fb>] ? warn_slowpath_common+0x6a/0x7b
> > [    0.000000]  [<c1005442>] ? xen_mc_issue+0x34/0x62
> > [    0.000000]  [<c1042219>] ? warn_slowpath_null+0xd/0x10
> > [    0.000000]  [<c1005442>] ? xen_mc_issue+0x34/0x62
> > [    0.000000]  [<c1005f3b>] ? xen_set_pmd_hyper+0x3c/0x42
> > [    0.000000]  [<c102ec56>] ? set_pmd_pfn+0xde/0xf9
> > [    0.000000]  [<c16895c1>] ? init_alloc_remap+0x1b3/0x216
> > [    0.000000]  [<c16889b7>] ? setup_node_data+0x4c/0x22f
> > [    0.000000]  [<c1689172>] ? T.744+0x290/0x2c2
> > [    0.000000]  [<c168921b>] ? T.743+0x77/0x1a1
> > [    0.000000]  [<c10251bc>] ? default_get_apic_id+0x14/0x33
> > [    0.000000]  [<c168935c>] ? initmem_init+0x5/0xb7
> > [    0.000000]  [<c167aef4>] ? setup_arch+0x5bf/0x694
> > [    0.000000]  [<c100b842>] ? __spin_time_accum+0x26/0x36
> > [    0.000000]  [<c1[    4.991674] Freeing initrd memory: 71600k freed
> > [    5.008319] audit: initializing netlink socket (disabled)
> > [    5.008597] type=2000 audit(1331664964.980:1): initialized
> > [    5.010609] highmem bounce pool size: 64 pages
> > [    5.016079] VFS: Disk quotas dquot_6.5.2
> > [    5.016507] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> > [    5.018142] NTFS driver 2.1.30 [Flags: R/W DEBUG].
> > [    5.018584] msgmni has been set to 1133
> > [    5.022247] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
> > [    5.022706] io scheduler noop registered
> > [    5.022949] io scheduler deadline registered
> > [    5.023205] io scheduler cfq registered (default)
> > (XEN) physdev.c:155: dom0: wrong map_pirq type 3
> > [    5.025093] pcieport 0000:00:03.0: Signaling PME through PCIe PME interrupt
> > [    5.025379] pcieport 0000:00:05.0: Signaling PME through PCIe PME interrupt
> > [    5.025689] pcieport 0000:00:1c.0: Signaling PME through PCIe PME interrupt
> > [    5.025941] pci 0000:03:00.0: Signaling PME through PCIe PME interrupt
> > [    5.026253] pcieport 0000:00:1c.4: Signaling PME through PCIe PME interrupt
> > [    5.026528] pci 0000:02:00.0: Signaling PME through PCIe PME interrupt
> > [    5.026784] pci 0000:02:00.1: Signaling PME through PCIe PME interrupt
> > [    5.027357] isapnp: Scanning for PnP cards...
> > [    5.381669] isapnp: No Plug & Play device found
> > [    5.382025] Event-channel device installed.
> > [    5.382518] xen-pciback: backend is vpci
> > [    5.383566] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 4 to guest. In use by 'ns16550'.
> > (XEN) irq.c:1200:d0 Cannot bind IRQ 2 to guest. In use by 'cascade'.
> > [    5.723699] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
> > [    5.972246] 00:06: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
> > [    6.783904] hpet_acpi_add: no address or irqs in _CRS
> > [    6.784282] Non-volatile memory driver v1.3
> > [    6.785060] telclk_interrup = 0xf non-mcpbl0010 hw.
> > [    6.785310] Linux agpgart interface v0.103
> > [    6.787839] usbcore: registered new interface driver hwa-rc
> > [    6.788090] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> > [    6.788425] ehci_hcd 0000:00:1a.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
> > [    6.788703] ehci_hcd 0000:00:1a.0: EHCI Host Controller
> > [    6.788959] ehci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 1
> > [    6.789475] ehci_hcd 0000:00:1a.0: debug port 2
> > [    6.793696] ehci_hcd 0000:00:1a.0: irq 22, io mem 0xdf0fc000
> > [    6.807535] ehci_hcd 0000:00:1a.0: USB 2.0 started, EHCI 1.00
> > [    6.807838] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
> > [    6.808090] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> > [    6.808545] usb usb1: Product: EHCI Host Controller
> > [    6.808794] usb usb1: Manufacturer: Linux 3.2.0 ehci_hcd
> > [    6.809068] usb usb1: SerialNumber: 0000:00:1a.0
> > [    6.809575] hub 1-0:1.0: USB hub found
> > [    6.809829] hub 1-0:1.0: 2 ports detected
> > [    6.810341] xen_map_pirq_gsi: returning irq 22 for gsi 22
> > [    6.810598] Already setup the GSI :22
> > [    6.810844] ehci_hcd 0000:00:1d.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
> > [    6.811123] ehci_hcd 0000:00:1d.0: EHCI Host Controller
> > [    6.811384] ehci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2
> > [    6.811918] ehci_hcd 0000:00:1d.0: debug port 2
> > [    6.816066] ehci_hcd 0000:00:1d.0: irq 22, io mem 0xdf0fe000
> > [    6.831542] ehci_hcd 0000:00:1d.0: USB 2.0 started, EHCI 1.00
> > [    6.831853] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
> > [    6.832103] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> > [    6.832555] usb usb2: Product: EHCI Host Controller
> > [    6.832825] usb usb2: Manufacturer: Linux 3.2.0 ehci_hcd
> > [    6.833075] usb usb2: SerialNumber: 0000:00:1d.0
> > [    6.833563] hub 2-0:1.0: USB hub found
> > [    6.833815] hub 2-0:1.0: 2 ports detected
> > [    6.834353] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> > [    6.834647] uhci_hcd: USB Universal Host Controller Interface driver
> > [    6.834950] r8a66597_hcd: driver r8a66597_hcd, 2009-05-26
> > [    6.835373] i8042: PNP: No PS/2 controller found. Probing ports directly.
> > [    6.836527] i8042: No controller found
> > [    6.836869] mousedev: PS/2 mouse device common for all mice
> > [    6.837581] rtc_cmos 00:04: RTC can wake from S4
> > [    6.838042] rtc_cmos 00:04: rtc core: registered rtc_cmos as rtc0
> > [    6.843434] rtc0: alarms up to one day, y3k, 242 bytes nvram
> > [    6.843793] sc520_wdt: WDT driver for SC520 initialised. timeout=30 sec (nowayout=0)
> > [    6.844260] wdt: Xen WatchDog Timer Driver v0.01
> > [    6.844571] wdt: cannot register miscdev on minor=130 (-16)
> > [    6.844823] wdt: probe of wdt failed with error -16
> > [    6.845072] SoftDog: cannot register miscdev on minor=130 (err=-16)
> > [    6.845460] dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2)
> > [    6.846745] TCP cubic registered
> > [    6.847299] NET: Registered protocol family 10
> > [    6.849386] Mobile IPv6
> > [    6.849630] NET: Registered protocol family 17
> > [    6.850535] sctp: Hash tables configured (established 65536 bind 65536)
> > [    6.851272] Registering the dns_resolver key type
> > [    6.851552] Using IPI No-Shortcut mode
> > [    6.852053] registered taskstats version 1
> > [    6.853100] console [netcon0] enabled
> > [    6.853344] netconsole: network logging started
> > [    6.853690] rtc_cmos 00:04: setting system clock to 2012-03-13 18:56:06 UTC (1331664966)
> > [    6.854236] Initializing network drop monitor service
> > [    6.854866] Freeing unused kernel memory: 436k freed
> > [    6.856484] Write protecting the kernel text: 3912k
> > [    6.857532] Write protecting the kernel read-only data: 2456k
> > [    6.857798] NX-protecting the kernel data: 4280k
> > Loading, please wait...
> > [    6.901109] udev[133]: starting version 164
> > [    6.998543] bnx2: Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.1.11 (July 20, 2011)
> > [    6.999083] xen_map_pirq_gsi: returning irq 16 for gsi 16
> > [    6.999361] Already setup the GSI :16
> > [    6.999625] bnx2 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
> > [    7.003132] SCSI subsystem initialized
> > [    7.008819] bnx2 0000:02:00.0: eth0: Broadcom NetXtreme II BCM5716 1000Base-T (C0) PCI Express found at mem da000000, IRQ 16, node addr 84:2b:2b:52:88:2a
> > [    7.009413] bnx2 0000:02:00.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17
> > [    7.009804] Fusion MPT base driver 3.04.20
> > [    7.010100] Copyright (c) 1999-2008 LSI Corporation
> > [    7.013277] Fusion MPT SAS Host driver 3.04.20
> > [    7.013638] xen_map_pirq_gsi: returning irq 16 for gsi 16
> > [    7.013644] bnx2 0000:02:00.1: eth1: Broadcom NetXtreme II BCM5716 1000Base-T (C0) PCI Express found at mem dc000000, IRQ 17, node addr 84:2b:2b:52:88:2b
> > [    7.014399] Already setup the GSI :16
> > [    7.014663] mptsas 0000:03:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
> > [    7.015118] mptbase: ioc0: Initiating bringup
> > [    7.119559] usb 1-1: new high-speed USB device number 2 using ehci_hcd
> > [    7.252020] usb 1-1: New USB device found, idVendor=8087, idProduct=0020
> > [    7.252296] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> > [    7.252977] hub 1-1:1.0: USB hub found
> > [    7.253415] hub 1-1:1.0: 6 ports detected
> > [    7.363572] usb 2-1: new high-speed USB device number 2 using ehci_hcd
> > [    7.495891] usb 2-1: New USB device found, idVendor=8087, idProduct=0020
> > [    7.496186] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> > [    7.496834] hub 2-1:1.0: USB hub found
> > [    7.497307] hub 2-1:1.0: 8 ports detected
> > [    7.571612] usb 1-1.1: new high-speed USB device number 3 using ehci_hcd
> > [    7.663901] usb 1-1.1: New USB device found, idVendor=0424, idProduct=2514
> > [    7.664200] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> > [    7.664957] hub 1-1.1:1.0: USB hub found
> > [    7.665380] hub 1-1.1:1.0: 4 ports detected
> > [    7.715557] ioc0: LSISAS1068E B3: Capabilities={Initiator}
> > [   24.278976] scsi0 : ioc0: LSISAS1068E B3, FwRev=00192f00h, Ports=1, MaxQ=266, IRQ=16
> > [   24.316004] mptsas: ioc0: attaching sata device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x1221000000000000
> > [   24.328504] scsi 0:0:0:0: Direct-Access     ATA      SAMSUNG HE253GJ  0001 PQ: 0 ANSI: 5
> > [   24.343216] sd 0:0:0:0: [sda] 488281250 512-byte logical blocks: (250 GB/232 GiB)
> > [   24.456939] sd 0:0:0:0: [sda] Write Protect is off
> > [   24.468646] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> > [   24.596708]  sda: sda1 sda2 < sda5 >
> > [   24.708503] sd 0:0:0:0: [sda] Attached SCSI disk
> > Begin: Loading essential drivers ... done.
> > Begin: Running /scripts/init-premount ... done.
> > Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
> > Begin: Running /scripts/local-premount ... [   25.000780] PM: Starting manual resume from disk
> > done.
> > [   25.027113] kjournald starting.  Commit interval 5 seconds
> > [   25.027187] EXT3-fs (sda1): mounted filesystem with ordered data mode
> > Begin: Running /scripts/local-bottom ... done.
> > done.
> > Begin: Running /scripts/init-bottom ... done.
> >
> INIT: version 2.88 booting
> 
> > Using makefile-style concurrent boot in runlevel S.
> > Starting the hotplug events dispatcher: udevd[   25.989886] udev[352]: starting version 164
> > .
> > Synthesizing the initial hotplug events...done.
> > Waiting for /dev to be fully populated...[   26.364902] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
> > [   26.365747] ACPI: Power Button [PWRF]
> > done.
> > Activating swap...[   26.973701] Adding 6066172k swap on /dev/sda5.  Priority:-1 extents:1 across:6066172k
> > done.
> > Checking root file system...fsck from util-linux-ng 2.17.2
> > /: clean, 429888/14884864 files, 4781808/59517952 blocks (check in 3 mounts)
> > done.
> > [   27.107722] EXT3-fs (sda1): using internal journal
> > Cleaning up ifupdown....
> > [   27.238878] loop: module loaded
> > Loading kernel modules...done.
> > Setting up networking....
> > Activating lvm and md swap...done.
> > Checking file systems...fsck from util-linux-ng 2.17.2
> > done.
> > Mounting local filesystems...done.
> > Activating swapfile swap...done.
> > Cleaning up temporary files....
> > Configuring network interfaces...Internet Systems Consortium DHCP Client 4.1.1-P1
> > Copyright 2004-2010 Internet Systems Consortium.
> > All rights reserved.
> > For info, please visit https://www.isc.org/software/dhcp/
> >
> > [   28.189095] bnx2 0000:02:00.0: eth0: using MSIX
> > [   28.189494] ADDRCONF(NETDEV_UP): eth0: link is not ready
> > Listening on LPF/eth0/84:2b:2b:52:88:2a
> > Sending on   LPF/eth0/84:2b:2b:52:88:2a
> > Sending on   Socket/fallback
> > Setting kernel variables ...done.
> > DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
> > [   31.403226] bnx2 0000:02:00.0: eth0: NIC Copper Link is Up, 1000 Mbps full duplex
> > [   31.403909] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> > DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
> > DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
> > DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 14
> > DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 19
> > DHCPOFFER from 10.80.224.1
> > DHCPREQUEST on eth0 to 255.255.255.255 port 67
> > DHCPACK from 10.80.224.1
> > bound to 10.80.227.196 -- renewal in 20979 seconds.
> > done.
> > Starting portmap daemon....
> > Starting NFS common utilities: statd.
> > Cleaning up temporary files....
> > Setting console screen modes and fonts.
> > cannot (un)set powersave mode
> > [9;30][14;30]Loading the saved-state of the serial devices...
> > [   74.067406] ttyS0: LSR safety check engaged!
> > [   74.069153] ttyS0: LSR safety check engaged!
> > /dev/ttyS0 at 0x03f8 (irq = 4) is a 16550A
> > /dev/ttyS1 at 0x02f8 (irq = 3) is a 16550A
> >
> INIT: Entering runlevel: 2
> 
> > Using makefile-style concurrent boot in runlevel 2.
> > Starting portmap daemon...Already running..
> > Starting NFS common utilities: statd.
> > Starting enhanced syslogd: rsyslogd.
> > Enabling additional executable binary formats: binfmt-support.
> > [   74.660094] BUG: unable to handle kernel paging request at 000012b7
> > [   74.660475] IP: [<c1268fea>] is_xen_swiotlb_buffer+0x35/0x80
> > [   74.660763] *pdpt = 0000000004d92001 *pde = 0000000000000000
> > [   74.661083] Oops: 0000 [#1] SMP
> > [   74.661398] Modules linked in: binfmt_misc loop button processor thermal_sys hwmon sd_mod mptsas mptscsih mptbase scsi_transport_sas scsi_mod bnx2 [last unloaded: scsi_wait_scan]
> > [   74.662605]
> > [   74.662844] Pid: 0, comm: swapper/0 Tainted: G        W    3.2.0 #1 Dell Inc. PowerEdge R310/05XKKK
> > [   74.663430] EIP: 0061:[<c1268fea>] EFLAGS: 00010202 CPU: 0
> > [   74.663681] EIP is at is_xen_swiotlb_buffer+0x35/0x80
> > [   74.663932] EAX: 0000006d EBX: ffffffff ECX: c1777000 EDX: ffffffff
> > [   74.664186] ESI: 00000000 EDI: 00000002 EBP: 00000000 ESP: e3c0fec4
> > [   74.664463]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
> > [   74.664709] Process swapper/0 (pid: 0, ti=e3c0e000 task=c163f060 task.ti=c1638000)
> > [   74.665162] Stack:
> > [   74.665405]  00000000 00000000 c1269074 ffffffff e3e2a860 00000092 c5760480 efa3a3e0
> > [   74.666155]  c1269137 c5b2dec0 c1269146 00000092 00000002 00000000 ed62c57c 00000092
> > [   74.666882]  00000002 007d0000 e867d120 0000007c e3c02300 e3c0ff80 c10d5d1c 8080017c
> > [   74.667639] Call Trace:
> > [   74.667885]  [<c1269074>] ? xen_swiotlb_sync_single+0x3f/0x7b
> > [   74.668141]  [<c1269137>] ? xen_swiotlb_sync_single_for_device+0x13/0x13
> > [   74.668397]  [<c1269146>] ? xen_swiotlb_sync_single_for_cpu+0xf/0x13
> > [   74.668687]  [<ed62c57c>] ? bnx2_rx_int+0xf5/0x3de [bnx2]
> > [   74.668938]  [<c10d5d1c>] ? __slab_free+0xcb/0x1da
> > [   74.669189]  [<ed62c8b3>] ? bnx2_poll_work+0x4e/0x56 [bnx2]
> > [   74.669442]  [<ed62c9a3>] ? bnx2_poll+0x5f/0xe7 [bnx2]
> > [   74.669697]  [<c1047202>] ? irq_enter+0x49/0x49
> > [   74.669978]  [<c1307451>] ? net_rx_action+0xb8/0x1d6
> > [   74.670230]  [<c1047202>] ? irq_enter+0x49/0x49
> > [   74.670480]  [<c10472aa>] ? __do_softirq+0xa8/0x168
> > [   74.670732]  [<c1047202>] ? irq_enter+0x49/0x49
> > [   74.670982]  <IRQ>
> > [   74.671291]  [<c10470d8>] ? irq_exit+0x2f/0x91
> > [   74.671545]  [<c12615a2>] ? xen_evtchn_do_upcall+0x1d/0x26
> > [   74.671799]  [<c13d0647>] ? xen_do_upcall+0x7/0xc
> > [   74.672051]  [<c106007b>] ? update_wall_time+0x20c/0x3ef
> > [   74.672301]  [<c10023a7>] ? hypercall_page+0x3a7/0x1000
> > [   74.672555]  [<c1006772>] ? xen_safe_halt+0xf/0x1b
> > [   74.672834]  [<c10136da>] ? default_idle+0x65/0xb8
> > [   74.673089]  [<c100c220>] ? cpu_idle+0x61/0x7d
> > [   74.673347]  [<c16767f5>] ? start_kernel+0x34a/0x34d
> > [   74.673600]  [<c1678258>] ? xen_start_kernel+0x554/0x55b
> > [   74.673850] Code: ff ff ff 89 c3 e8 cd e3 d9 ff 39 f0 b8 ff ff ff ff 0f 45 d8 89 d8 c1 e8 0e 0f be 80 e0 24 67 c1 85 c0 78 4d 8b 14 85 c0 24 67 c1 <8b> 82 b8 12 00 00 03 82 b0 12 00 00 39 c3 73 36 a1 e8 88 76 c1
> > [   74.676839] EIP: [<c1268fea>] is_xen_swiotlb_buffer+0x35/0x80 SS:ESP 0069:e3c0fec4
> > [   74.677360] CR2: 00000000000012b7
> > [   74.677608] ---[ end trace 4eaa2a86a8e2da48 ]---
> > [   74.677856] Kernel panic - not syncing: Fatal exception in interrupt
> > [   74.678108] Pid: 0, comm: swapper/0 Tainted: G      D W    3.2.0 #1
> > [   74.678391] Call Trace:
> > [   74.678639]  [<c13cd2f6>] ? panic+0x4d/0x157
> > [   74.678889]  [<c100eeec>] ? oops_end+0xad/0xb8
> > [   74.679140]  [<c102a7c8>] ? bad_area_nosemaphore+0xa/0xc
> > [   74.679393]  [<c102abd5>] ? do_page_fault+0x167/0x31a
> > [   74.679676]  [<c1029a28>] ? pvclock_clocksource_read+0xec/0x11e
> > [   74.679931]  [<c1029a28>] ? pvclock_clocksource_read+0xec/0x11e
> > [   74.680185]  [<c100b842>] ? __spin_time_accum+0x26/0x36
> > [   74.680440]  [<c100ba73>] ? __xen_spin_lock+0xb4/0xc8
> > [   74.680693]  [<c100673c>] ? xen_force_evtchn_callback+0xc/0x10
> > [   74.680977]  [<c102aa6e>] ? vmalloc_sync_all+0xb6/0xb6
> > [   74.681229]  [<c13cfde6>] ? error_code+0x5a/0x60
> > [   74.681481]  [<c102aa6e>] ? vmalloc_sync_all+0xb6/0xb6
> > [   74.681729]  [<c1268fea>] ? is_xen_swiotlb_buffer+0x35/0x80
> > [   74.681979]  [<c1269074>] ? xen_swiotlb_sync_single+0x3f/0x7b
> > [   74.682232]  [<c1269137>] ? xen_swiotlb_sync_single_for_device+0x13/0x13
> > [   74.682519]  [<c1269146>] ? xen_swiotlb_sync_single_for_cpu+0xf/0x13
> > [   74.682775]  [<ed62c57c>] ? bnx2_rx_int+0xf5/0x3de [bnx2]
> > [   74.683027]  [<c10d5d1c>] ? __slab_free+0xcb/0x1da
> > [   74.683278]  [<ed62c8b3>] ? bnx2_poll_work+0x4e/0x56 [bnx2]
> > [   74.683536]  [<ed62c9a3>] ? bnx2_poll+0x5f/0xe7 [bnx2]
> > [   74.683816]  [<c1047202>] ? irq_enter+0x49/0x49
> > [   74.684067]  [<c1307451>] ? net_rx_action+0xb8/0x1d6
> > [   74.684317]  [<c1047202>] ? irq_enter+0x49/0x49
> > [   74.684569]  [<c10472aa>] ? __do_softirq+0xa8/0x168
> > [   74.684820]  [<c1047202>] ? irq_enter+0x49/0x49
> > [   74.685066]  <IRQ>  [<c10470d8>] ? irq_exit+0x2f/0x91
> > [   74.685384]  [<c12615a2>] ? xen_evtchn_do_upcall+0x1d/0x26
> > [   74.685638]  [<c13d0647>] ? xen_do_upcall+0x7/0xc
> > [   74.685888]  [<c106007b>] ? update_wall_time+0x20c/0x3ef
> > [   74.691270]  [<c10023a7>] ? hypercall_page+0x3a7/0x1000
> > [   74.691522]  [<c1006772>] ? xen_safe_halt+0xf/0x1b
> > [   74.691770]  [<c10136da>] ? default_idle+0x65/0xb8
> > [   74.692053]  [<c100c220>] ? cpu_idle+0x61/0x7d
> > [   74.692304]  [<c16767f5>] ? start_kernel+0x34a/0x34d
> > [   74.692557]  [<c1678258>] ? xen_start_kernel+0x554/0x55b
> > (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
> > [disconnect]
> > goncalog@eire:~$ xenuse -t dt29exit
> >
> > Script done on Tue 13 Mar 2012 19:06:30 GMT
>