On Tuesday 05 October 2004 16:56, David Brownell wrote: > > Date: Tue, 5 Oct 2004 11:25:04 +0200 > > From: Dominik Karall <[EMAIL PROTECTED]> > > To: Andrew Morton <[EMAIL PROTECTED]> > > Cc: [EMAIL PROTECTED] > > Subject: Re: 2.6.9-rc3-mm2 > > > > ... > > i get a lot of usb errors on boot. they appear since -rc2-mm1. > > below the relevant part of dmesg output. > > It's safe to ignore those particular messages. > > The "string descriptor 0 read error: -113" messages just mean > that the device is suspended, so usbcore won't even try to > talk to it. The USB "suspend" state means that devices are > in a low power mode; it takes at least 30 msec to return them > to full power, so that the host can talk to them. > > That's slightly odd for a root hub, since it actually COULD talk > to it (since in this case the host controller is still accessible > through PCI MMIO), but not odd enough for me to want to > spend time trying to add even more root hub special cases. > > > i'm not sure if the "Neighbour table > > overflow" messages are also relevant? > > Not to any USB issues. Though you're getting enough of > those messages to worry me, that's for sure. > > > ... > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > ... > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb3: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > usb usb1: string descriptor 0 read error: -113 > > I've no idea what was trying so hard to read strings, but maybe > those particular messages -- for suspended devices -- should > get filtered out. > > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > Neighbour table overflow. > > printk: 64315 messages suppressed. > > > > > > > > btw, no usb devices are connected. > > That wasn't actually what your boot messages said; it said > there was a usb-storage device. Maybe that's a built-in > card-reader on usb2? You'll notice that only usb1 and usb3 > devices reported the "-113" errors. > > - Dave
sorry, yes, you are right, there is a built-in card-reader on usb. here is the
lsusb -v output, maybe that could be useful to find out where the read error
messages come from.
Bus 004 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 1 Single TT
bMaxPacketSize0 8
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3
iProduct 2
iSerial 1
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
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 bytes 2 twice
bInterval 12
Bus 003 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3
iProduct 2
iSerial 1
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
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 bytes 2 twice
bInterval 255
Bus 002 Device 003: ID 0db0:6982 Micro Star International Medion Flash XL
V2.7A Card Reader
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0db0 Micro Star International
idProduct 0x6982 Medion Flash XL V2.7A Card Reader
bcdDevice 2.6d
iManufacturer 1
iProduct 2
iSerial 3
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 39
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 4
bmAttributes 0x80
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 8 Mass Storage
bInterfaceSubClass 6 SCSI
bInterfaceProtocol 80 Bulk (Zip)
iInterface 5
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 bytes 64 once
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 bytes 64 once
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 bytes 8 once
bInterval 10
Bus 002 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3
iProduct 2
iSerial 1
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
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 bytes 2 twice
bInterval 255
Bus 001 Device 001: ID 0000:0000
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0000
idProduct 0x0000
bcdDevice 2.06
iManufacturer 3
iProduct 2
iSerial 1
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 25
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 0mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 9 Hub
bInterfaceSubClass 0 Unused
bInterfaceProtocol 0
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 bytes 2 twice
bInterval 255
best regards,
dominik
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