[Xen-users] (XEN) (file=traps.c, line=1009) Domain attempted WRMSR

[Andy Cooper <Andrew.Cooper@xxxxxxxxxxxxxxx>]

Hi,

I am having problems with my Sony Vaio TX2XP laptop and the stock FC5 xen0 
kernel (2.6.16-1.2080_FC5xen0). The X server repeatedly crashes and
the following error appears in the terminal (no errors in Xorg.log)

(XEN) (file=traps.c, line=1009) Domain attempted WRMSR 00000199 from 
00000000:00000c0e to 00000000:0000080a.
I can run without X, but the above error appears many times and I 
periodically get kernel oops (I haven't been able to grab the kdebug 
output of this I'm
afraid). I am not sure if it is related, but the following also appears 
during the xen0 kernel boot
irq.c line 226 cannot bind irq 2 to guest. in use by cascade

Does anyone have any ideas how I can go about debugging this problem? I 
have printed some info below, please let me know if anything else would be
useful. There is nothing in the xen log files related to this issue.

*********************

lspci output

00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express 
Processor to DRAM Controller (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 
915GM/GMS/910GML Express Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML 
Express Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) High Definition Audio Controller (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #3 (rev 03)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB UHCI #4 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) USB2 EHCI Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d3)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface 
Bridge (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
Family) IDE Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus 
Controller (rev 03)
06:05.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
06:05.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394 
Host Controller
06:05.3 Mass storage controller: Texas Instruments PCIxx21 Integrated 
FlashMedia Controller
06:08.0 Ethernet controller: Intel Corporation 82562EM/EX/GX - PRO/100 VM 
(LOM) Ethernet Controller Mobile (rev 03)
06:0b.0 Network controller: Intel Corporation PRO/Wireless 2200BG (rev 05)

*********************
dmesg

Linux version 2.6.16-1.2080_FC5xen0 
(bhcompile@xxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.0 20060304 (Red 
Hat 4.1.0-3)) #1 SMP Tue Mar 28
04:13:51 EST 2006
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 000000003a294000 (usable)
106MB HIGHMEM available.
831MB LOWMEM available.
Using x86 segment limits to approximate NX protection
On node 0 totalpages: 240276
  DMA zone: 212990 pages, LIFO batch:31
  DMA32 zone: 0 pages, LIFO batch:0
  Normal zone: 0 pages, LIFO batch:0
  HighMem zone: 27286 pages, LIFO batch:7
DMI 2.3 present.
ACPI: RSDP (v000 PTLTD                                 ) @ 0x000f6790
ACPI: RSDT (v001   Sony       V1 0x20051201 PTL  0x00000000) @ 0x3f697e7c
ACPI: FADT (v002   Sony       V1 0x20051201 PTL  0x00000050) @ 0x3f69ce78
ACPI: MADT (v001   Sony       V1 0x20051201 PTL  0x00000050) @ 0x3f69cefc
ACPI: BOOT (v001   Sony       V1 0x20051201 PTL  0x00000001) @ 0x3f69cfd8
ACPI: MCFG (v001   Sony       V1 0x20051201 PTL  0x0000005f) @ 0x3f69cf9c
ACPI: SSDT (v001   Sony       V1 0x20051201 PTL  0x20030224) @ 0x3f69873d
ACPI: SSDT (v001   Sony       V1 0x20051201 PTL  0x20030224) @ 0x3f6982f8
ACPI: SSDT (v001   Sony       V1 0x20051201 PTL  0x20030224) @ 0x3f6980d9
ACPI: SSDT (v001   Sony       V1 0x20051201 PTL  0x20030224) @ 0x3f697ec0
ACPI: DSDT (v001   Sony       V1 0x20051201 PTL  0x0100000e) @ 0x00000000
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] disabled)
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Enabling APIC mode:  Flat.  Using 1 I/O APICs
Using ACPI (MADT) for SMP configuration information
IRQ lockup detection disabled
Allocating PCI resources starting at 40000000 (gap: 40000000:a0000000)
Built 1 zonelists
Kernel command line: ro root=/dev/vg0/fc5host rhgb quiet
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 65536 bytes)
Xen reported: 1197.026 MHz processor.
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Software IO TLB enabled:
 Aperture:     2 megabytes
 Bus range:    0x0000000023a00000 - 0x0000000023c00000
 Kernel range: 0x00000000c09c3000 - 0x00000000c0bc3000
vmalloc area: f4800000-fb3fe000, maxmem 33ffe000
Memory: 931776k/961104k available (2008k kernel code, 20388k reserved, 
822k data, 164k init, 109144k highmem)
Checking if this processor honours the WP bit even in supervisor mode... 
Ok.
Calibrating delay using timer specific routine.. 2994.52 BogoMIPS 
(lpj=5989049)
Security Framework v1.0.0 initialized
SELinux:  Initializing.
SELinux:  Starting in permissive mode
selinux_register_security:  Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 512
CPU: After generic identify, caps: afe9fbff 00100000 00000000 00000000 
00000180 00000000 00000000
CPU: After vendor identify, caps: afe9fbff 00100000 00000000 00000000 
00000180 00000000 00000000
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 2048K
CPU: After all inits, caps: afe9d3f1 00100000 00000000 00000040 00000180 
00000000 00000000
Checking 'hlt' instruction... disabled
ENABLING IO-APIC IRQs
Brought up 1 CPUs
0
checking if image is initramfs... it is
Freeing initrd memory: 3630k freed
Grant table initialized
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: Using MMCONFIG
ACPI: Subsystem revision 20060127
ACPI: Interpreter enabled
ACPI: Using IOAPIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Probing PCI hardware (bus 00)
Boot video device is 0000:00:02.0
PCI quirk: region 1000-107f claimed by ICH6 ACPI/GPIO/TCO
PCI quirk: region 1180-11bf claimed by ICH6 GPIO
PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
PCI: Transparent bridge - 0000:00:1e.0
PCI: Bus #07 (-#0a) may be hidden behind transparent bridge #06 (-#07) 
(try 'pci=assign-busses')
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCIB._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs *10)
ACPI: PCI Interrupt Link [LNKB] (IRQs *10)
ACPI: PCI Interrupt Link [LNKC] (IRQs 10) *0, disabled.
ACPI: PCI Interrupt Link [LNKD] (IRQs *10)
ACPI: PCI Interrupt Link [LNKE] (IRQs *10)
ACPI: PCI Interrupt Link [LNKF] (IRQs 10) *3
ACPI: PCI Interrupt Link [LNKG] (IRQs *10)
ACPI: PCI Interrupt Link [LNKH] (IRQs *10)
ACPI: Embedded Controller [EC0] (gpe 23) interrupt mode.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 10 devices
xen_mem: Initialising balloon driver.
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq".  If it helps, post a 
report
PCI: Ignore bogus resource 6 [0:0] of 0000:00:02.0
PCI: Bus 7, cardbus bridge: 0000:06:05.0
  IO window: 00002400-000024ff
  IO window: 00002800-000028ff
  PREFETCH window: 40000000-41ffffff
  MEM window: 44000000-45ffffff
PCI: Bridge: 0000:00:1e.0
  IO window: 2000-2fff
  MEM window: b0100000-b01fffff
  PREFETCH window: 40000000-41ffffff
PCI: Setting latency timer of device 0000:00:1e.0 to 64
ACPI: PCI Interrupt 0000:06:05.0[A] -> GSI 21 (level, low) -> IRQ 16
Simple Boot Flag at 0x49 set to 0x1
IA-32 Microcode Update Driver: v1.14-xen <tigran@xxxxxxxxxxx>
audit: initializing netlink socket (disabled)
audit(1145554614.572:1): initialized
highmem bounce pool size: 64 pages
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
SELinux:  Registering netfilter hooks
Initializing Cryptographic API
ksign: Installing public key data
Loading keyring
- Added public key 8227E1D7AAD49D08
- User ID: Red Hat, Inc. (Kernel Module GPG key)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
ACPI: CPU0 (power states: C1[C1] C2[C2])
ACPI: Processor [CPU0] (supports 8 throttling states)
ACPI: Thermal Zone [ATF0] (66 C)
Real Time Clock Driver v1.12ac
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 915GM Chipset.
agpgart: Detected 7932K stolen memory.
agpgart: AGP aperture is 256M @ 0xc0000000
PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
Xen virtual console successfully installed as ttyS0
Event-channel device installed.
blkif_init: reqs=64, pages=704, mmap_vstart=0xf3800000
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with 
idebus=xx
ICH6: IDE controller at PCI slot 0000:00:1f.1
ACPI: PCI Interrupt 0000:00:1f.1[B] -> GSI 18 (level, low) -> IRQ 17
ICH6: chipset revision 3
ICH6: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0x1810-0x1817, BIOS settings: hda:DMA, hdb:DMA
Probing IDE interface ide0...
hda: TOSHIBA MK8007GAH, ATA DISK drive
hdb: MATSHITAUJ-832D, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
hda: max request size: 512KiB
hda: 156301488 sectors (80026 MB), CHS=16383/255/63, UDMA(100)
hda: cache flushes supported
 hda: hda1 hda2 hda3 < hda5 hda6 hda7 >
hdb: ATAPI 24X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.20
ide-floppy driver 0.99.newide
ACPI: PCI Interrupt 0000:06:05.0[A] -> GSI 21 (level, low) -> IRQ 16
Yenta: CardBus bridge found at 0000:06:05.0 [104d:81e2]
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:06:05.0, mfunc 0x01af1b22, devctl 0x64
Yenta: ISA IRQ mask 0x0cf8, PCI irq 16
Socket status: 30000006
pcmcia: parent PCI bridge I/O window: 0x2000 - 0x2fff
pcmcia: parent PCI bridge Memory window: 0xb0100000 - 0xb01fffff
pcmcia: parent PCI bridge Memory window: 0x40000000 - 0x41ffffff
usbcore: registered new driver libusual
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
mice: PS/2 mouse device common for all mice
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
TCP established hash table entries: 131072 (order: 9, 2621440 bytes)
TCP bind hash table entries: 65536 (order: 8, 1310720 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
TCP bic registered
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode
input: AT Translated Set 2 keyboard as /class/input/input0
Freeing unused kernel memory: 164k freed
input: PS/2 Mouse as /class/input/input1
input: AlpsPS/2 ALPS GlidePoint as /class/input/input2
device-mapper: 4.5.0-ioctl (2005-10-04) initialised: dm-devel@xxxxxxxxxx
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
SELinux:  Disabled at runtime.
SELinux:  Unregistering netfilter hooks
hw_random hardware driver 1.0.0 loaded
ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 19 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1b.0 to 64
e100: Intel(R) PRO/100 Network Driver, 3.5.10-k2-NAPI
e100: Copyright(c) 1999-2005 Intel Corporation
ieee80211_crypt: registered algorithm 'NULL'
ieee80211: 802.11 data/management/control stack, git-1.1.7
ieee80211: Copyright (C) 2004-2005 Intel Corporation 
<jketreno@xxxxxxxxxxxxxxx>
ACPI: PCI Interrupt 0000:06:08.0[A] -> GSI 20 (level, low) -> IRQ 19
e100: eth0: e100_probe: addr 0xb0107000, irq 19, MAC addr 
00:01:4A:F6:73:8E
ipw2200: Intel(R) PRO/Wireless 2200/2915 Network Driver, git-1.0.8
ipw2200: Copyright(c) 2003-2005 Intel Corporation
ACPI: PCI Interrupt 0000:06:0b.0[A] -> GSI 22 (level, low) -> IRQ 20
ipw2200: Detected Intel PRO/Wireless 2200BG Network Connection
USB Universal Host Controller Interface driver v2.3
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 17 (level, low) -> IRQ 21
PCI: Setting latency timer of device 0000:00:1d.0 to 64
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:1d.0: irq 21, io base 0x00001820
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 18
PCI: Setting latency timer of device 0000:00:1d.1 to 64
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2
uhci_hcd 0000:00:1d.1: irq 18, io base 0x00001840
usb usb2: configuration #1 chosen from 1 choice
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 21 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:00:1d.2 to 64
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3
uhci_hcd 0000:00:1d.2: irq 16, io base 0x00001860
usb usb3: configuration #1 chosen from 1 choice
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
ACPI: PCI Interrupt 0000:00:1d.3[A] -> GSI 17 (level, low) -> IRQ 21
PCI: Setting latency timer of device 0000:00:1d.3 to 64
uhci_hcd 0000:00:1d.3: UHCI Host Controller
uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4
uhci_hcd 0000:00:1d.3: irq 21, io base 0x00001880
usb usb4: configuration #1 chosen from 1 choice
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 2 ports detected
ieee1394: Initialized config rom entry `ip1394'
ipw2200: Radio Frequency Kill Switch is On:
Kill switch must be turned off for wireless networking to work.
ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ 22
PCI: Setting latency timer of device 0000:00:1d.7 to 64
ehci_hcd 0000:00:1d.7: EHCI Host Controller
ehci_hcd 0000:00:1d.7: debug port 1
PCI: cache line size of 32 is not supported by device 0000:00:1d.7
ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:1d.7: irq 22, io mem 0xb0004000
ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004
usb usb5: configuration #1 chosen from 1 choice
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 8 ports detected
ACPI: PCI Interrupt 0000:06:05.2[C] -> GSI 20 (level, low) -> IRQ 19
ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[19] 
MMIO=[b0106000-b01067ff]  Max Packet=[2048]  IR/IT contexts=[4/8]
Non-volatile memory driver v1.2
lp: driver loaded but no devices found
ieee1394: Host added: ID:BUS[0-00:1023]  GUID[08004603020556f4]
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
ACPI: AC Adapter [ACAD] (on-line)
ACPI: Battery Slot [BAT1] (battery present)
ACPI: Lid Switch [LID0]
ACPI: Power Button (CM) [PWRB]
ibm_acpi: ec object not found
ACPI: Video Device [NGFX] (multi-head: yes  rom: no  post: no)
ACPI: Video Device [GFX0] (multi-head: yes  rom: yes  post: no)
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT3 FS on dm-0, internal journal
kjournald starting.  Commit interval 5 seconds
EXT3 FS on hda5, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
Adding 1048568k swap on /dev/vg0/fc5host_swap.  Priority:-1 extents:1 
across:1048568k
ip_tables: (C) 2000-2006 Netfilter Core Team
Netfilter messages via NETLINK v0.30.
ip_conntrack version 2.4 (7508 buckets, 60064 max) - 232 bytes per 
conntrack
ADDRCONF(NETDEV_UP): eth0: link is not ready
ADDRCONF(NETDEV_UP): eth1: link is not ready
Bluetooth: Core ver 2.8
NET: Registered protocol family 31
Bluetooth: HCI device and connection manager initialized
Bluetooth: HCI socket layer initialized
Bluetooth: L2CAP ver 2.8
Bluetooth: L2CAP socket layer initialized
Bluetooth: RFCOMM socket layer initialized
Bluetooth: RFCOMM TTY layer initialized
Bluetooth: RFCOMM ver 1.7
Bluetooth: HIDP (Human Interface Emulation) ver 1.1
ppdev: user-space parallel port driver
ppdev0: claim the port first
ppdev1: claim the port first
ppdev2: claim the port first
ppdev3: claim the port first
Bridge firewalling registered
device vif0.0 entered promiscuous mode
xenbr0: port 1(vif0.0) entering learning state
xenbr0: topology change detected, propagating
xenbr0: port 1(vif0.0) entering forwarding state
ADDRCONF(NETDEV_UP): peth0: link is not ready
xenbr0: no IPv6 routers present
vif0.0: no IPv6 routers present
device peth0 entered promiscuous mode
[drm] Initialized drm 1.0.1 20051102
ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 16 (level, low) -> IRQ 23
[drm] Initialized i915 1.4.0 20060119 on minor 0
eth0: no IPv6 routers present
usb 5-1: new high speed USB device using ehci_hcd and address 2
usb 5-1: configuration #1 chosen from 1 choice
SCSI subsystem initialized
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
  Vendor: USB 2.0   Model: Flash Disk        Rev: 2.00
  Type:   Direct-Access                      ANSI SCSI revision: 02
usb-storage: device scan complete
 0:0:0:0: Attached scsi generic sg0 type 0
ready
SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
 sda: sda1
sd 0:0:0:0: Attached scsi removable disk sda
FAT: invalid media value (0x01)
VFS: Can't find a valid FAT filesystem on dev sda.
usb 5-1: USB disconnect, address 2
usb 5-1: new high speed USB device using ehci_hcd and address 3
usb 5-1: configuration #1 chosen from 1 choice
scsi1 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 3
usb-storage: waiting for device to settle before scanning
  Vendor: USB 2.0   Model: Flash Disk        Rev: 2.00
  Type:   Direct-Access                      ANSI SCSI revision: 02
ready
SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
 sda: sda1
sd 1:0:0:0: Attached scsi removable disk sda
sd 1:0:0:0: Attached scsi generic sg0 type 0
usb-storage: device scan complete
usb 5-1: USB disconnect, address 3
usb 5-1: new high speed USB device using ehci_hcd and address 4
usb 5-1: configuration #1 chosen from 1 choice
scsi2 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 4
usb-storage: waiting for device to settle before scanning
  Vendor: USB 2.0   Model: Flash Disk        Rev: 2.00
  Type:   Direct-Access                      ANSI SCSI revision: 02
ready
SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
SCSI device sda: 1024000 512-byte hdwr sectors (524 MB)
sda: Write Protect is off
sda: Mode Sense: 03 00 00 00
sda: assuming drive cache: write through
 sda: sda1
sd 2:0:0:0: Attached scsi removable disk sda
sd 2:0:0:0: Attached scsi generic sg0 type 0
usb-storage: device scan complete

*********************




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