Comment 19 for bug 231049

I'm having trouble connecting my Sansa Clip as well.

In Hardy, USB negotiation seems to fail when plugging into a USB port that's connected directly to the motherboard, but it works when plugging into the USB hub in my monitor.

In Intrepid alpha 6, high speed USB negotiation fails, and it falls back to "full" (slow) speed when plugging into a USB port that's connected directly to the motherboard. High speed works when plugging into the USB hub in my monitor. This seems odd, since the monitor's USB hub (which works) is itself plugged into one of the motherboard's ports (which fails).

Messages from syslog when plugging into my motherboard's USB port under Intrepid a6:

Sep 28 20:00:37 ubuntu kernel: [ 588.916011] usb 8-5: new high speed USB device using ehci_hcd and address 4
Sep 28 20:00:40 ubuntu kernel: [ 592.733355] ehci_hcd 0000:00:1d.7: port 5 reset error -110
Sep 28 20:00:40 ubuntu kernel: [ 592.733497] hub 8-0:1.0: hub_port_status failed (err = -32)
Sep 28 20:00:41 ubuntu kernel: [ 592.936031] hub 8-0:1.0: unable to enumerate USB device on port 5
Sep 28 20:00:41 ubuntu kernel: [ 593.192009] usb 7-1: new full speed USB device using uhci_hcd and address 4
Sep 28 20:00:41 ubuntu kernel: [ 593.391028] usb 7-1: not running at top speed; connect to a high speed hub
Sep 28 20:00:41 ubuntu kernel: [ 593.421466] usb 7-1: configuration #1 chosen from 1 choice
Sep 28 20:00:41 ubuntu kernel: [ 593.438002] scsi9 : SCSI emulation for USB Mass Storage devices
Sep 28 20:00:41 ubuntu kernel: [ 593.446920] usb-storage: device found at 4
Sep 28 20:00:41 ubuntu kernel: [ 593.446924] usb-storage: waiting for device to settle before scanning
Sep 28 20:00:46 ubuntu kernel: [ 598.446068] usb-storage: device scan complete
Sep 28 20:00:46 ubuntu kernel: [ 598.449063] scsi 9:0:0:0: Direct-Access SanDisk Sansa Clip 2GB v01. PQ: 0 ANSI: 0
Sep 28 20:00:46 ubuntu kernel: [ 598.459041] sd 9:0:0:0: [sdb] 3992576 512-byte hardware sectors (2044 MB)
Sep 28 20:00:46 ubuntu kernel: [ 598.471041] sd 9:0:0:0: [sdb] Write Protect is off
Sep 28 20:00:46 ubuntu kernel: [ 598.471046] sd 9:0:0:0: [sdb] Mode Sense: 04 00 00 00
Sep 28 20:00:46 ubuntu kernel: [ 598.471048] sd 9:0:0:0: [sdb] Assuming drive cache: write through
Sep 28 20:00:46 ubuntu kernel: [ 598.492828] sd 9:0:0:0: [sdb] 3992576 512-byte hardware sectors (2044 MB)
Sep 28 20:00:46 ubuntu kernel: [ 598.495031] sd 9:0:0:0: [sdb] Write Protect is off
Sep 28 20:00:46 ubuntu kernel: [ 598.495034] sd 9:0:0:0: [sdb] Mode Sense: 04 00 00 00
Sep 28 20:00:46 ubuntu kernel: [ 598.495036] sd 9:0:0:0: [sdb] Assuming drive cache: write through
Sep 28 20:00:46 ubuntu kernel: [ 598.495039] sdb:
Sep 28 20:00:46 ubuntu kernel: [ 598.504076] sd 9:0:0:0: [sdb] Attached SCSI removable disk
Sep 28 20:00:46 ubuntu kernel: [ 598.504150] sd 9:0:0:0: Attached scsi generic sg2 type 0
Sep 28 20:00:47 ubuntu hald: mounted /dev/sdb on behalf of uid 999

Messages from syslog when plugging into my monitor's USB port under Intrepid a6:

Sep 28 20:02:24 ubuntu kernel: [ 696.400119] usb 4-2.1: new high speed USB device using ehci_hcd and address 4
Sep 28 20:02:25 ubuntu kernel: [ 697.780872] hub 4-2:1.0: unable to enumerate USB device on port 1
Sep 28 20:02:26 ubuntu kernel: [ 698.044121] usb 4-2.1: new high speed USB device using ehci_hcd and address 5
Sep 28 20:02:26 ubuntu kernel: [ 698.165729] usb 4-2.1: configuration #1 chosen from 1 choice
Sep 28 20:02:26 ubuntu kernel: [ 698.184009] scsi10 : SCSI emulation for USB Mass Storage devices
Sep 28 20:02:26 ubuntu kernel: [ 698.193934] usb-storage: device found at 5
Sep 28 20:02:26 ubuntu kernel: [ 698.193939] usb-storage: waiting for device to settle before scanning
Sep 28 20:02:31 ubuntu kernel: [ 703.193896] usb-storage: device scan complete
Sep 28 20:02:31 ubuntu kernel: [ 703.195017] scsi 10:0:0:0: Direct-Access SanDisk Sansa Clip 2GB v01. PQ: 0 ANSI: 0
Sep 28 20:02:31 ubuntu kernel: [ 703.196747] sd 10:0:0:0: [sdb] 3992576 512-byte hardware sectors (2044 MB)
Sep 28 20:02:31 ubuntu kernel: [ 703.206412] sd 10:0:0:0: [sdb] Write Protect is off
Sep 28 20:02:31 ubuntu kernel: [ 703.206417] sd 10:0:0:0: [sdb] Mode Sense: 04 00 00 00
Sep 28 20:02:31 ubuntu kernel: [ 703.206419] sd 10:0:0:0: [sdb] Assuming drive cache: write through
Sep 28 20:02:31 ubuntu kernel: [ 703.209558] sd 10:0:0:0: [sdb] 3992576 512-byte hardware sectors (2044 MB)
Sep 28 20:02:31 ubuntu kernel: [ 703.210255] sd 10:0:0:0: [sdb] Write Protect is off
Sep 28 20:02:31 ubuntu kernel: [ 703.210259] sd 10:0:0:0: [sdb] Mode Sense: 04 00 00 00
Sep 28 20:02:31 ubuntu kernel: [ 703.210262] sd 10:0:0:0: [sdb] Assuming drive cache: write through
Sep 28 20:02:31 ubuntu kernel: [ 703.210265] sdb:
Sep 28 20:02:31 ubuntu kernel: [ 703.213737] sd 10:0:0:0: [sdb] Attached SCSI removable disk
Sep 28 20:02:31 ubuntu kernel: [ 703.213832] sd 10:0:0:0: Attached scsi generic sg2 type 0
Sep 28 20:02:31 ubuntu hald: mounted /dev/sdb on behalf of uid 999