On Tue, Jan 29 2008 at 15:54 +0200, Jens Axboe <jens.axboe@xxxxxxxxxx> wrote: > On Tue, Jan 29 2008, Boaz Harrosh wrote: >> Greg KH wrote: >>> On Mon, Jan 28, 2008 at 09:49:35PM +0100, Jens Axboe wrote: >>>> Hi, >>>> >>>> Running latest -git (head 91525300baf162e83e923b09ca286f9205e21522) and >>>> connecting my cf usb storage device yields and endless stream of: >>>> >>>> Initializing USB Mass Storage driver... >>>> scsi6 : SCSI emulation for USB Mass Storage devices >>>> usb-storage: device found at 2 >>>> usb-storage: waiting for device to settle before scanning >>>> usbcore: registered new interface driver usb-storage >>>> USB Mass Storage support registered. >>>> scsi 6:0:0:0: Direct-Access Generic STORAGE DEVICE 0125 PQ: 0 >>>> ANSI: 0 >>>> sd 6:0:0:0: [sdb] 4001760 512-byte hardware sectors (2049 MB) >>>> sd 6:0:0:0: [sdb] Write Protect is off >>>> sd 6:0:0:0: [sdb] Mode Sense: 02 00 00 00 >>>> sd 6:0:0:0: [sdb] Assuming drive cache: write through >>>> sd 6:0:0:0: [sdb] 4001760 512-byte hardware sectors (2049 MB) >>>> sd 6:0:0:0: [sdb] Write Protect is off >>>> sd 6:0:0:0: [sdb] Mode Sense: 02 00 00 00 >>>> sd 6:0:0:0: [sdb] Assuming drive cache: write through >>>> sdb: sdb1 >>>> sd 6:0:0:0: [sdb] Attached SCSI removable disk >>>> sd 6:0:0:0: Attached scsi generic sg1 type 0 >>>> scsi 6:0:0:1: Direct-Access Generic STORAGE DEVICE 0125 PQ: 0 >>>> ANSI: 0 >>>> usb 5-1: reset high speed USB device using ehci_hcd and address 2 >>>> usb 5-1: reset high speed USB device using ehci_hcd and address 2 >>>> usb 5-1: reset high speed USB device using ehci_hcd and address 2 >>>> usb 5-1: reset high speed USB device using ehci_hcd and address 2 >>>> usb 5-1: reset high speed USB device using ehci_hcd and address 2 >>>> usb 5-1: reset high speed USB device using ehci_hcd and address 2 >>>> usb 5-1: reset high speed USB device using ehci_hcd and address 2 >>>> [...] >>>> >>>> until I disconnect it. The device doesn't work. Worked fine in 2.6.24. >>>> I'm attaching boot messages and my .config. >>> That's a bit wierd, as we haven't added any USB patches to the -git tree >>> yet after 2.6.24 :) >>> >>> Could this be caused by some scsi changes perhaps? >>> >>> thanks, >>> >>> greg k-h >>> - >> Yes it is ;) >> >> Jens could you test the patch below? if it works I'll submit a proper >> patch. Please forgive me for the bug. > > No difference, still just a lot of resets. > Where you able to figure out which usb storage transport is used? in drivers/usb/storage/usb.c you have get_protocol() and get_transport() functions. I'm not sure if these get stored in sysfs perhaps. This will pinpoint better where to look. Let me research a bit. Thanks for testing Boaz - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
