Re: System hang (and other problems) with cdc_acm

From: Michelle Konzack
Date: Mon Jan 26 2009 - 07:08:55 EST

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In reply to: Oliver Neukum: "Re: System hang (and other problems) with cdc_acm"
Next in thread: Oliver Neukum: "Re: System hang (and other problems) with cdc_acm"
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Am 2009-01-26 09:45:52, schrieb Oliver Neukum:
> What makes you think that it is the same problem? It doesn't hang your
> system, does it? If so, can you please post "dmesg" of one of the incidents
> and "lsusb -v"?

It slows down and then after some minutes (15-30) it hang. The Nokia
show 3.5G and the "Connection Manager" an active connection but there is
ZERO traffic...

On the router I can not ping the Internet or do something else...

As you can see, it recoved the EXT3 since the kernel was crashed and I
had to reboot the router. But there is a weird thing with it: On my
Laptop and my Intranet Server the kernel write @crash a message into the
logs, but on the Router is nothing...

Here the last outputs:

----[ '/var/log/dmesg' ]------------------------------------------------
Linux version 2.6.18-6-686 (Debian 2.6.18.dfsg.1-23etch1) (dannf@xxxxxxxxxx) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-
21)) #1 SMP Fri Dec 12 16:48:28 UTC 2008
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 0000000007ff0000 (usable)
BIOS-e820: 0000000007ff0000 - 0000000007ff3000 (ACPI NVS)
BIOS-e820: 0000000007ff3000 - 0000000008000000 (ACPI data)
BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
127MB LOWMEM available.
On node 0 totalpages: 32752
DMA zone: 4096 pages, LIFO batch:0
Normal zone: 28656 pages, LIFO batch:7
DMI 2.1 present.
ACPI: RSDP (v000 MSISYS ) @ 0x000f5d80
ACPI: RSDT (v001 MSISYS MS-6147W 0x30302e31 MSFT 0x00000000) @ 0x07ff3000
ACPI: FADT (v001 MSISYS MS-6147W 0x30302e31 MSFT 0x00000000) @ 0x07ff3040
ACPI: DSDT (v001 MSISYS AWRDACPI 0x00001000 MSFT 0x01000007) @ 0x00000000
ACPI: PM-Timer IO Port: 0x4008
Allocating PCI resources starting at 10000000 (gap: 08000000:f7ff0000)
Detected 434.324 MHz processor.
Built 1 zonelists. Total pages: 32752
Kernel command line: auto BOOT_IMAGE=Linux ro root=301
Local APIC disabled by BIOS -- you can enable it with "lapic"
mapped APIC to ffffd000 (01109000)
Enabling fast FPU save and restore... done.
Initializing CPU#0
PID hash table entries: 512 (order: 9, 2048 bytes)
Console: colour VGA+ 80x25
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 122304k/131008k available (1543k kernel code, 8176k reserved, 578k data, 196k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 869.57 BogoMIPS (lpj=1739144)
Security Framework v1.0.0 initialized
SELinux: Disabled at boot.
Capability LSM initialized
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0183f9ff 00000000 00000000 00000000 00000000 00000000 00000000
CPU: After vendor identify, caps: 0183f9ff 00000000 00000000 00000000 00000000 00000000 00000000
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 128K
CPU: After all inits, caps: 0183f9ff 00000000 00000000 00000040 00000000 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
Compat vDSO mapped to ffffe000.
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 12k freed
ACPI: Core revision 20060707
ACPI: setting ELCR to 0200 (from 1c00)
CPU0: Intel Celeron (Mendocino) stepping 00
SMP motherboard not detected.
Local APIC not detected. Using dummy APIC emulation.
Brought up 1 CPUs
migration_cost=0
checking if image is initramfs... it is
Freeing initrd memory: 4371k freed
NET: Registered protocol family 16
ACPI: bus type pci registered
PCI: PCI BIOS revision 2.10 entry at 0xfbc30, last bus=1
PCI: Using configuration type 1
Setting up standard PCI resources
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (0000:00)
PCI: Probing PCI hardware (bus 00)
ACPI: Assume root bridge [\_SB_.PCI0] bus is 0
* Found PM-Timer Bug on the chipset. Due to workarounds for a bug,
* this clock source is slow. Consider trying other clock sources
PCI quirk: region 4000-403f claimed by PIIX4 ACPI
PCI quirk: region 5000-500f claimed by PIIX4 SMB
PCI: Firmware left 0000:00:10.0 e100 interrupts enabled, disabling
Boot video device is 0000:01:00.0
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 10 *11 12 14 15)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 10 11 *12 14 15)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled.
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 *10 11 12 14 15)
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI init
pnp: PnP ACPI: found 8 devices
PnPBIOS: Disabled by ACPI PNP
PCI: Using ACPI for IRQ routing
PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report
PCI: Bridge: 0000:00:01.0
IO window: d000-dfff
MEM window: e0000000-e3ffffff
PREFETCH window: 14000000-140fffff
PCI: Bus 2, cardbus bridge: 0000:00:0e.0
IO window: 00001000-000010ff
IO window: 00001400-000014ff
PREFETCH window: 10000000-11ffffff
MEM window: 12000000-13ffffff
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
PCI: setting IRQ 11 as level-triggered
ACPI: PCI Interrupt 0000:00:0e.0[A] -> Link [LNKA] -> GSI 11 (level, low) -> IRQ 11
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 2048 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 4096 bind 2048)
TCP reno registered
audit: initializing netlink socket (disabled)
audit(1232751592.476:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Limiting direct PCI/PCI transfers.
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1
PNP: PS/2 controller doesn't have AUX irq; using default 12
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
mice: PS/2 mouse device common for all mice
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 8
NET: Registered protocol family 20
Using IPI No-Shortcut mode
Time: tsc clocksource has been installed.
ACPI: (supports S0 S1 S4 S5)
Freeing unused kernel memory: 196k freed
ACPI: Fan [FAN0] (on)
ACPI: CPU0 (power states: C1[C1] C2[C2])
ACPI: Processor [CPU0] (supports 8 throttling states)
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller at PCI slot 0000:00:07.1
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
Probing IDE interface ide0...
usbcore: registered new driver usbfs
usbcore: registered new driver hub
e100: Intel(R) PRO/100 Network Driver, 3.5.10-k2-NAPI
e100: Copyright(c) 1999-2005 Intel Corporation
USB Universal Host Controller Interface driver v3.0
hda: QUANTUM FIREBALL CR6.4A, ATA DISK drive
Time: acpi_pm clocksource has been installed.
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
hdc: CRD-8322B, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 12
PCI: setting IRQ 12 as level-triggered
ACPI: PCI Interrupt 0000:00:10.0[A] -> Link [LNKB] -> GSI 12 (level, low) -> IRQ 12
e100: eth0: e100_probe: addr 0xe6502000, irq 12, MAC addr 00:90:27:92:78:7E
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
PCI: setting IRQ 10 as level-triggered
ACPI: PCI Interrupt 0000:00:07.2[D] -> Link [LNKD] -> GSI 10 (level, low) -> IRQ 10
uhci_hcd 0000:00:07.2: UHCI Host Controller
uhci_hcd 0000:00:07.2: new USB bus registered, assigned bus number 1
uhci_hcd 0000:00:07.2: irq 10, io base 0x0000e000
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
hdc: ATAPI 32X CD-ROM drive, 128kB Cache, DMA
Uniform CD-ROM driver Revision: 3.20
hda: max request size: 128KiB
hda: 12594960 sectors (6448 MB) w/418KiB Cache, CHS=13328/15/63, UDMA(33)
hda: cache flushes not supported
hda: hda1 hda2 hda3 hda4 < hda5 hda6 >
usb 1-1: new full speed USB device using uhci_hcd and address 2
usb 1-1: configuration #1 chosen from 1 choice
Attempting manual resume
EXT3-fs: INFO: recovery required on readonly filesystem.
EXT3-fs: write access will be enabled during recovery.
kjournald starting. Commit interval 5 seconds
EXT3-fs: recovery complete.
EXT3-fs: INFO: recovery required on readonly filesystem.
EXT3-fs: write access will be enabled during recovery.
kjournald starting. Commit interval 5 seconds
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
Linux agpgart interface v0.101 (c) Dave Jones
agpgart: Detected an Intel 440BX Chipset.
agpgart: AGP aperture is 4M @ 0xe6000000
Yenta: CardBus bridge found at 0000:00:0e.0 [0000:0000]
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
Yenta: ISA IRQ mask 0x0000, PCI irq 11
Socket status: 30000006
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
piix4_smbus 0000:00:07.3: Found 0000:00:07.3 device
input: PC Speaker as /class/input/input0
Real Time Clock Driver v1.12ac
cdc_acm 1-1:1.8: ttyACM0: USB ACM device
usbcore: registered new driver cdc_acm
drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for USB modems and ISDN adapters
cs: IO port probe 0x100-0x3af: clean.
cs: IO port probe 0x3e0-0x4ff: excluding 0x4d0-0x4d7
cs: IO port probe 0x820-0x8ff: clean.
cs: IO port probe 0xc00-0xcf7: clean.
cs: IO port probe 0xa00-0xaff: clean.
Adding 240964k swap on /dev/hda2. Priority:-1 extents:1 across:240964k
EXT3 FS on hda1, internal journal
Floppy drive(s): fd0 is 1.44M
floppy0: no floppy controllers found
loop: loaded (max 8 devices)
device-mapper: ioctl: 4.7.0-ioctl (2006-06-24) initialised: dm-devel@xxxxxxxxxx
kjournald starting. Commit interval 5 seconds
EXT3 FS on hda3, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on hda5, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on hda6, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
e100: eth0: e100_watchdog: link up, 100Mbps, half-duplex
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
CSLIP: code copyright 1989 Regents of the University of California
PPP generic driver version 2.4.2
------------------------------------------------------------------------

----[ command 'lsusb -v' ]----------------------------------------------

Bus 001 Device 005: ID 0421:002f Nokia Mobile Phones
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 2 Communications
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x0421 Nokia Mobile Phones
idProduct 0x002f
bcdDevice 1.00
iManufacturer 1 Nokia
iProduct 2 Nokia 6120 classic
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 408
bNumInterfaces 14
bConfigurationValue 1
iConfiguration 4 Bulk transfer method configuration
bmAttributes 0xc0
Self Powered
MaxPower 20mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 2 Communications
bInterfaceSubClass 8 Wireless Handset Control
bInterfaceProtocol 0
iInterface 0
CDC Header:
bcdCDC 1.10
CDC WHCM:
bcdVersion 1.00
CDC Union:
bMasterInterface 0
bSlaveInterface 1 2 3 4 5 6 7 8 9 10 11 12 13
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 2 Communications
bInterfaceSubClass 8 Wireless Handset Control
bInterfaceProtocol 1
iInterface 0
CDC Header:
bcdCDC 1.10
INVALID CDC (Telephone Operations): 05 24 08 00 01
CDC Union:
bMasterInterface 1
bSlaveInterface 2 3
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 2 Communications
bInterfaceSubClass 254
bInterfaceProtocol 0
iInterface 0
CDC Header:
bcdCDC 1.10
UNRECOGNIZED CDC: 05 24 ab 05 15
CDC Union:
bMasterInterface 2
bSlaveInterface 3
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Class specific interface descriptor for class 10 is unsupported
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 4
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 2 Communications
bInterfaceSubClass 11 OBEX
bInterfaceProtocol 0
iInterface 6 SYNCML-SYNC
CDC Header:
bcdCDC 1.10
CDC OBEX:
bcdVersion 1.00
CDC Union:
bMasterInterface 4
bSlaveInterface 5
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 5
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 5
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 6
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 2 Communications
bInterfaceSubClass 11 OBEX
bInterfaceProtocol 0
iInterface 7 PC Suite Services
CDC Header:
bcdCDC 1.10
CDC OBEX:
bcdVersion 1.00
CDC Union:
bMasterInterface 6
bSlaveInterface 7
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 7
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 7
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x86 EP 6 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 8
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 2 Communications
bInterfaceSubClass 2 Abstract (modem)
bInterfaceProtocol 1 AT-commands (v.25ter)
iInterface 8 CDC Comms Interface
CDC Header:
bcdCDC 1.00
CDC ACM:
bmCapabilities 0x0f
connection notifications
sends break
line coding and serial state
get/set/clear comm features
CDC Union:
bMasterInterface 8
bSlaveInterface 9
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 128
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 9
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 9 CDC Data Interface
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x87 EP 7 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 10
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 2 Communications
bInterfaceSubClass 2 Abstract (modem)
bInterfaceProtocol 255 Vendor Specific (MSFT RNDIS?)
iInterface 10 CDC Comms Interface
CDC Header:
bcdCDC 1.00
CDC ACM:
bmCapabilities 0x0f
connection notifications
sends break
line coding and serial state
get/set/clear comm features
CDC Union:
bMasterInterface 10
bSlaveInterface 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 128
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 11
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 11 CDC Data Interface
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x88 EP 8 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x05 EP 5 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 12
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 2 Communications
bInterfaceSubClass 253
bInterfaceProtocol 0
iInterface 12 LCIF_Alt0
CDC Header:
bcdCDC 1.10
UNRECOGNIZED CDC: 05 24 fc 00 01
CDC Union:
bMasterInterface 12
bSlaveInterface 13
UNRECOGNIZED CDC: 04 24 fd 00
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 13
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 13
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 10 CDC Data
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 32
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x06 EP 6 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 32
Device Status: 0x0001
Self Powered

Bus 001 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0 Full speed hub
bMaxPacketSize0 64
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3 Linux 2.6.18-6-686 uhci_hcd
iProduct 2 UHCI Host Controller
iSerial 1 0000:00:07.2
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0 Full speed hub
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0002 1x 2 bytes
bInterval 255
Hub Descriptor:
bLength 9
bDescriptorType 41
nNbrPorts 2
wHubCharacteristic 0x000a
No power switching (usb 1.0)
Per-port overcurrent protection
bPwrOn2PwrGood 1 * 2 milli seconds
bHubContrCurrent 0 milli Ampere
DeviceRemovable 0x00
PortPwrCtrlMask 0xff
Hub Port Status:
Port 1: 0000.0103 power enable connect
Port 2: 0000.0100 power
Device Status: 0x0003
Self Powered
Remote Wakeup Enabled
------------------------------------------------------------------------

Thanks, Greetings and nice Day/Evening
Michelle Konzack
Systemadministrator
24V Electronic Engineer
Tamay Dogan Network
Debian GNU/Linux Consultant

--
Linux-User #280138 with the Linux Counter, http://counter.li.org/
##################### Debian GNU/Linux Consultant #####################
<http://www.tamay-dogan.net/> <http://www.can4linux.org/>
Michelle Konzack Apt. 917 ICQ #328449886
+49/177/9351947 50, rue de Soultz MSN LinuxMichi
+33/6/61925193 67100 Strasbourg/France IRC #Debian (irc.icq.com)

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Next message: Justin Piszcz: "Re: WD IDNF error"
Previous message: Alan Cox: "Re: [Rocks-Discuss] hdb: status error: error=0x40 <3>{UncorrectableError }"
In reply to: Oliver Neukum: "Re: System hang (and other problems) with cdc_acm"
Next in thread: Oliver Neukum: "Re: System hang (and other problems) with cdc_acm"
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