That XACTERR is rather mysterious.  I wonder why.

	-- Lennart

Vincent wrote:
> Lennart,
> 
>> You could enable a little debug in ehci and check if it says
>> something about the data toggle.  It's a start.
>> The places where I can imagine problems is when you get
>> short transfers.
> 
> 
> Here is what I get, starting from where I mount the device :
> 
> ehci_alloc_sqtd_chain: start len=65536
> ehci_alloc_sqtd_chain: start len=60416
> ehci_idone: error, addr=2, endpt=0x02, status 0x8<XACTERR>
> ehci_device_clear_toggle: epipe=0xc09ad380 status=0x8d00
> usbd_dump_pipe: pipe=0xc09ad380
> usbd_dump_iface: iface=0xc09b2e20
>  device=0xc09ad500 idesc=0xc09aec89 index=0 altindex=0 priv=0x0
> usbd_dump_device: dev=0xc09ad500
>  bus=0xc09aa800 default_pipe=0xc09ad480
>  address=2 config=1 depth=1 speed=3 self_powered=0 power=200 langid=1033
> usbd_dump_endpoint: endp=0xc09b2e00
>  edesc=0xc09aec92 refcnt=1
>  bEndpointAddress=0x81
>  (usbd_dump_pipe:)
>  refcnt=1 running=0 aborting=0
>  intrxfer=0x0, repeat=0, interval=-1
> ehci_device_clear_toggle: epipe=0xc09ad400 status=0x80009c08
> usbd_dump_pipe: pipe=0xc09ad400
> usbd_dump_iface: iface=0xc09b2e20
>  device=0xc09ad500 idesc=0xc09aec89 index=0 altindex=0 priv=0x0
> usbd_dump_device: dev=0xc09ad500
>  bus=0xc09aa800 default_pipe=0xc09ad480
>  address=2 config=1 depth=1 speed=3 self_powered=0 power=200 langid=1033
> usbd_dump_endpoint: endp=0xc09b2e08
>  edesc=0xc09aec99 refcnt=1
>  bEndpointAddress=0x02
>  (usbd_dump_pipe:)
>  refcnt=1 running=0 aborting=0
>  intrxfer=0x0, repeat=0, interval=-1
> ehci_idone: error, addr=2, endpt=0x81, status 0x50<HALTED,BABBLE>
> ehci_device_clear_toggle: epipe=0xc09ad380 status=0xd8d50
> usbd_dump_pipe: pipe=0xc09ad380
> usbd_dump_iface: iface=0xc09b2e20
>  device=0xc09ad500 idesc=0xc09aec89 index=0 altindex=0 priv=0x0
> usbd_dump_device: dev=0xc09ad500
>  bus=0xc09aa800 default_pipe=0xc09ad480
>  address=2 config=1 depth=1 speed=3 self_powered=0 power=200 langid=1033
> usbd_dump_endpoint: endp=0xc09b2e00
>  edesc=0xc09aec92 refcnt=1
>  bEndpointAddress=0x81
>  (usbd_dump_pipe:)
>  refcnt=1 running=1 aborting=0
>  intrxfer=0x0, repeat=0, interval=-1
> ehci_timeout: exfer=0xc09b4a00
> ehci_timeout_task: xfer=0xc09b4a00
> ehci_abort_xfer: xfer=0xc09b4a00 pipe=0xc09ad480
> ehci_intr1: door bell
> ehci_idone: aborted xfer=0xc09b4a00
> umass0: BBB bulk-in stall clear failed, TIMEOUT
> ehci_timeout: exfer=0xc09b4900
> ehci_timeout_task: xfer=0xc09b4900
> ehci_abort_xfer: xfer=0xc09b4900 pipe=0xc09ad480
> ehci_intr1: door bell
> ehci_idone: aborted xfer=0xc09b4900
> umass0: BBB reset failed, TIMEOUT
> ehci_device_clear_toggle: epipe=0xc09ad380 status=0xd8d50
> usbd_dump_pipe: pipe=0xc09ad380
> usbd_dump_iface: iface=0xc09b2e20
>  device=0xc09ad500 idesc=0xc09aec89 index=0 altindex=0 priv=0x0
> usbd_dump_device: dev=0xc09ad500
>  bus=0xc09aa800 default_pipe=0xc09ad480
>  address=2 config=1 depth=1 speed=3 self_powered=0 power=200 langid=1033
> usbd_dump_endpoint: endp=0xc09b2e00
>  edesc=0xc09aec92 refcnt=1
>  bEndpointAddress=0x81
>  (usbd_dump_pipe:)
>  refcnt=1 running=0 aborting=0
>  intrxfer=0x0, repeat=0, interval=-1
> 
> 
> After what I rebooted.
> 
> That's what happen at boot time :
> 
> ehci after reset, status=0x00001005
> ehci port 1 reset, status = 0x00001005
> umass0 at uhub2 port 1 configuration 1 interface 0
> umass0: Pen Drive USB DISK 2.0, rev 2.00/1.00, addr 2
> umass0: using SCSI over Bulk-Only
> ehci_device_clear_toggle: epipe=0xc09ad400 status=0x0
> usbd_dump_pipe: pipe=0xc09ad400
> usbd_dump_iface: iface=0xc09b2e20
>  device=0xc09ad500 idesc=0xc09aec89 index=0 altindex=0 priv=0x0
> usbd_dump_device: dev=0xc09ad500
>  bus=0xc09aa800 default_pipe=0xc09ad480
>  address=2 config=1 depth=1 speed=3 self_powered=0 power=200 langid=1033
> usbd_dump_endpoint: endp=0xc09b2e08
>  edesc=0xc09aec99 refcnt=1
>  bEndpointAddress=0x02
>  (usbd_dump_pipe:)
>  refcnt=1 running=0 aborting=0
>  intrxfer=0x0, repeat=0, interval=-1
> ehci_device_clear_toggle: epipe=0xc09ad380 status=0x0
> usbd_dump_pipe: pipe=0xc09ad380
> usbd_dump_iface: iface=0xc09b2e20
>  device=0xc09ad500 idesc=0xc09aec89 index=0 altindex=0 priv=0x0
> usbd_dump_device: dev=0xc09ad500
>  bus=0xc09aa800 default_pipe=0xc09ad480
>  address=2 config=1 depth=1 speed=3 self_powered=0 power=200 langid=1033
> usbd_dump_endpoint: endp=0xc09b2e00
>  edesc=0xc09aec92 refcnt=1
>  bEndpointAddress=0x81
>  (usbd_dump_pipe:)
>  refcnt=1 running=0 aborting=0
>  intrxfer=0x0, repeat=0, interval=-1
> scsibus0 at umass0: 2 targets, 1 lun per target
> sd0 at scsibus0 target 0 lun 0: <, USB DISK 2.0, PMAP> disk removable
> sd0: 246 MB, 984 cyl, 32 head, 16 sec, 512 bytes/sect x 503808 sectors
> ehci_disown: index=3 lowspeed=1
> ehci_pcd: change=0x08
> ---
> 
> Hope that helps you a bit to figure out something.
> 
> Vincent
>