On Thu, 28 Aug 2003, Roe Peterson wrote:
> ...
> Aug 20 16:54:00 tbolt kernel: usb-storage: Transport:
Control/Bulk/Interrupt
> Aug 20 16:54:00 tbolt kernel: usb-storage: Protocol: 8070i
> ...
> Aug 20 16:54:00 tbolt kernel: usb-storage: Command INQUIRY (6 bytes)
> Aug 20 16:54:00 tbolt kernel: usb-storage: 12 00 00 00 ff 00 1c f6 2b db
1a c0
> Aug 20 16:54:00 tbolt kernel: usb-storage: Call to usb_stor_control_msg()
returned 12
> Aug 20 16:54:00 tbolt kernel: usb-storage: PT1: xlen is 255
> Aug 20 16:54:00 tbolt kernel: usb-storage: usb_stor_transfer_partial():
xfer 255 bytes
> Aug 20 16:54:00 tbolt kernel: usb-storage: USB IRQ received for device on
host 1
> Aug 20 16:54:00 tbolt kernel: usb-storage: -- IRQ data length is 2
> Aug 20 16:54:00 tbolt kernel: usb-storage: -- IRQ state is 0
> Aug 20 16:54:00 tbolt kernel: usb-storage: -- Interrupt Status (0x28, 0x0)
> Aug 20 16:54:00 tbolt kernel: usb-storage: -- Current value of ip_waitq
is: 0
> Aug 20 16:54:00 tbolt kernel: usb-storage: usb_stor_bulk_msg() returned 0
xferred 56/255
> Aug 20 16:54:00 tbolt kernel: usb-storage: CBI data stage result is 0x1
> Aug 20 16:54:00 tbolt kernel: usb-storage: Current value of ip_waitq is: 1
> Aug 20 16:54:00 tbolt kernel: usb-storage: Got interrupt data (0x28, 0x0)
> Aug 20 16:54:00 tbolt kernel: usb-storage: CBI IRQ data showed reserved
bType 40

Looks to me like the device is returning a UFI-style CBI interrupt, even
though the device says its protocol (command set) is 8070i.  (UFI 0x28 0x00
= Media change.)  See CBI 3.4.3.1 Interrupt Data Blocks

There was a similar report about a month ago on linux-usb-users list:
http://marc.theaimsgroup.com/?l=linux-usb-users&m=105960560606625&w=2
http://marc.theaimsgroup.com/?l=linux-usb-users&m=105960747508334&w=4
http://marc.theaimsgroup.com/?l=linux-usb-users&m=105966987700517&w=4

Hope this helps,
jim.



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