On Mon, Mar 28, 2016 at 06:25:40PM -0300, Paulo Dias wrote: > hi/2 all > > i never had a problem with my external usb 3.0 hd, but with 4.6.0 rc1 > it stopped working. > > with all kernels (at least 4.2 to 4.5) im able to use it just fine: > > Mar 27 21:43:41 hydra kernel: usb 3-1: new SuperSpeed USB device > number 2 using xhci_hcd > Mar 27 21:43:41 hydra kernel: usb 3-1: New USB device found, > idVendor=0bc2, idProduct=2312 > Mar 27 21:43:41 hydra kernel: usb 3-1: New USB device strings: Mfr=1, > Product=2, SerialNumber=3 > Mar 27 21:43:41 hydra kernel: usb 3-1: Product: Expansion > Mar 27 21:43:41 hydra kernel: usb 3-1: Manufacturer: Seagate > Mar 27 21:43:41 hydra kernel: usb 3-1: SerialNumber: 2HC015KJ > Mar 27 21:43:41 hydra mtp-probe[1987]: checking bus 3, device 2: > "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-1" > Mar 27 21:43:41 hydra mtp-probe[1987]: bus: 3, device: 2 was not an MTP device > Mar 27 21:43:41 hydra kernel: usbcore: registered new interface driver > usb-storage > Mar 27 21:43:41 hydra kernel: scsi host3: uas > Mar 27 21:43:41 hydra kernel: usbcore: registered new interface driver uas > Mar 27 21:43:41 hydra kernel: scsi 3:0:0:0: Direct-Access Seagate > Expansion 0636 PQ: 0 ANSI: 6 > Mar 27 21:43:41 hydra kernel: sd 3:0:0:0: Attached scsi generic sg2 type 0 > Mar 27 21:43:41 hydra kernel: sd 3:0:0:0: [sdb] Spinning up disk... > Mar 27 21:43:45 hydra kernel: .ready > Mar 27 21:43:45 hydra kernel: sd 3:0:0:0: [sdb] 1465149167 512-byte > logical blocks: (750 GB/699 GiB) > Mar 27 21:43:45 hydra kernel: sd 3:0:0:0: [sdb] Write Protect is off > Mar 27 21:43:45 hydra kernel: sd 3:0:0:0: [sdb] Mode Sense: 2b 00 10 08 > Mar 27 21:43:45 hydra kernel: sd 3:0:0:0: [sdb] Write cache: enabled, > read cache: enabled, supports DPO and FUA > Mar 27 21:43:45 hydra kernel: sdb: sdb1 sdb2 > Mar 27 21:43:45 hydra kernel: sd 3:0:0:0: [sdb] Attached SCSI disk > > but with 4.6.0 rc1 i get: > > Mar 27 21:14:18 hydra kernel: [ 104.287249] usb 3-2: new SuperSpeed > USB device number 4 using xhci_hcd > Mar 27 21:14:18 hydra kernel: [ 104.305484] usb 3-2: No SuperSpeed > endpoint companion for config 1 interface 0 altsetting 1 ep 131: > using minimum values > Mar 27 21:14:18 hydra kernel: [ 104.306485] usb 3-2: New USB device > found, idVendor=0bc2, idProduct=2312 > Mar 27 21:14:18 hydra kernel: [ 104.306490] usb 3-2: New USB device > strings: Mfr=1, Product=2, SerialNumber=3 > Mar 27 21:14:18 hydra kernel: [ 104.306493] usb 3-2: Product: Expansion > Mar 27 21:14:18 hydra kernel: [ 104.306494] usb 3-2: Manufacturer: Seagate > Mar 27 21:14:18 hydra kernel: [ 104.306496] usb 3-2: SerialNumber: 2HC015KJ > Mar 27 21:14:18 hydra kernel: [ 104.318943] xhci_hcd 0000:00:14.0: > WARN: SuperSpeed Endpoint Companion descriptor for ep 0x83 does not > support streams > Mar 27 21:14:18 hydra kernel: [ 104.319504] uas: probe of 3-2:1.0 > failed with error -22 > Mar 27 21:14:18 hydra mtp-probe: checking bus 3, device 4: > "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-2" > Mar 27 21:14:18 hydra mtp-probe: bus: 3, device: 4 was not an MTP device > > something is broken in rc1. Can you use 'git bisect' to track down the offending commit that causes it? It shouldn't take too many tries. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html