On Wed, Sep 22, 2010 at 7:00 PM, Bill Longman <bill.long...@gmail.com> wrote: > I have a new workstation running 64 bits 2.6.34 gentoo sources. It's an > HP p6520y (AthlonIIX4) with 6GB and lsusb reports an Alcor Micro 21-in-1 > Flash Card Reader. > > I have no usb storage devices plugged in and I see in my dmesg many of > the following messages: > > usb-storage: queuecommand called > usb-storage: *** thread awakened. > usb-storage: Command TEST_UNIT_READY (6 bytes) > usb-storage: 00 00 00 00 00 00 > usb-storage: Bulk Command S 0x43425355 T 0x5473 L 0 F 0 Trg 0 LUN 1 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: Status code 0; transferred 13/13 > usb-storage: -- transfer complete > usb-storage: Bulk status result = 0 > usb-storage: Bulk Status S 0x53425355 T 0x5473 R 0 Stat 0x1 > usb-storage: -- transport indicates command failure > usb-storage: Issuing auto-REQUEST_SENSE > usb-storage: Bulk Command S 0x43425355 T 0x5474 L 18 F 128 Trg 0 LUN 1 CL 6 > usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes > usb-storage: Status code 0; transferred 31/31 > usb-storage: -- transfer complete > usb-storage: Bulk command transfer result=0 > usb-storage: usb_stor_bulk_transfer_sglist: xfer 18 bytes, 1 entries > usb-storage: Status code 0; transferred 18/18 > usb-storage: -- transfer complete > usb-storage: Bulk data transfer result 0x0 > usb-storage: Attempting to get CSW... > usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes > usb-storage: Status code 0; transferred 13/13 > usb-storage: -- transfer complete > usb-storage: Bulk status result = 0 > usb-storage: Bulk Status S 0x53425355 T 0x5474 R 0 Stat 0x0 > usb-storage: -- Result from auto-sense is 0 > usb-storage: -- code: 0xf0, key: 0x2, ASC: 0x3a, ASCQ: 0x0 > usb-storage: Not Ready: Medium not present > usb-storage: scsi cmd done, result=0x2 > usb-storage: *** thread sleeping. > > Any ideas who/what is doing this? How to debug? > > Bill > > -- > Bill Longman > Εν αρχη ην ο λογος >
I'd guess, at a glance, that you have CONFIG_USB_STORAGE_DEBUG set in your kernel config. To check if that's it (assuming you have /proc/config.gz enabled) run: # zgrep CONFIG_USB_STORAGE_DEBUG /proc/config.gz -- Poison [BLX] Joshua M. Murphy
