Messages in this thread | | | Date | Mon, 30 May 2011 21:32:54 +0200 | From | Riccardo Magliocchetti <> | Subject | Re: [2.6.39] crash in acm_ctrl_msg+0x16/0x59 |
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Il 30/05/2011 11:19, Riccardo Magliocchetti ha scritto: > Hi, > > Il 30/05/2011 07:54, Oliver Neukum ha scritto: >> Am Sonntag, 29. Mai 2011, 16:04:02 schrieb Riccardo Magliocchetti: >> >>> mtp-probe: bus: 6, device: 4 was not an MTP device >>> [20462.901834] cdc_acm 6-1:1.0: ttyACM0: USB ACM device >>> [20462.904417] usbcore: registered new interface driver cdc_acm >>> [20462.904420] cdc_acm: v0.26:USB Abstract Control Model driver for USB >>> modems and ISDN adapters >>> [20463.624142] usb 6-1: USB disconnect, device number 4 >>> [20463.641859] CPU 0 >>> >>> This is the stracktrace: >>> >>> acm_ctrl_msg+0x16/0x59 >>> mutex_lock+0x13/0x2a >>> acm_port_down+0x4c/0xcb >>> acm_tty_close+0x75/0x93 >>> tty_release+0x1b5/0x47c >>> ? compat_do_readv_write+0x199/0x1ae >>> fput+0xf8/0x1ad >>> filp_close+0x69/0x75 >>> sys_close+0x8a/0xea >>> sysenter_dispatch+0x07/0x32 >> >> So we are trying to talk to a device that is already gone. >> Is there anything unusual about your device? Could you >> post "lsusb -v"? > > Yes, the unusual thing is that is very prone to freezing when booting, > in fact it freezed when i got the crash in the laptop. Will post lsusb > output later in the day.
Here's the lsusb -v
Bus 006 Device 003: ID 1457:5122 First International Computer, Inc. OpenMoko Neo1973 / Neo Freerunner kernel cdc_ether USB network Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 2 Communications bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x1457 First International Computer, Inc. idProduct 0x5122 OpenMoko Neo1973 / Neo Freerunner kernel cdc_ether USB network bcdDevice 3.12 iManufacturer 1 Linux 2.6.29-20100313.git973a41fc with s3c2410_ud iProduct 2 RNDIS/Ethernet Gadget iSerial 0 bNumConfigurations 2 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 67 bNumInterfaces 2 bConfigurationValue 2 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 500mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 2 Communications bInterfaceSubClass 2 Abstract (modem) bInterfaceProtocol 255 Vendor Specific (MSFT RNDIS?) iInterface 3 RNDIS Communications Control CDC Header: bcdCDC 1.10 CDC Call Management: bmCapabilities 0x00 bDataInterface 1 CDC ACM: bmCapabilities 0x00 CDC Union: bMasterInterface 0 bSlaveInterface 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 32 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 Unused bInterfaceProtocol 0 iInterface 4 RNDIS Ethernet Data Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 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 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 80 bNumInterfaces 2 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 500mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 2 Communications bInterfaceSubClass 6 Ethernet Networking bInterfaceProtocol 0 iInterface 5 CDC Ethernet Control Model (ECM) CDC Header: bcdCDC 1.10 CDC Union: bMasterInterface 0 bSlaveInterface 1 CDC Ethernet: iMacAddress 7 DA51BC59708F bmEthernetStatistics 0x00000000 wMaxSegmentSize 1514 wNumberMCFilters 0x0000 bNumberPowerFilters 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 32 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 Unused bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 Unused bInterfaceProtocol 0 iInterface 6 CDC Ethernet Data Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 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 Device Status: 0x0001 Self Powered
thanks, riccardo
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