Re: 2.6.23.11 : ehci not working with a710 camera

[matthieu castet <castet.matthieu@xxxxxxx>]

Hi,

David Brownell wrote:
> On Sunday 16 December 2007, David Brownell wrote:
> > > When I plug the camera I got [1]. When I plug a pendrive i got [3].
> > > When I plug the camera on another port I got [2].
> > (Appended text is slightly edited to remove line wraps.)
> Here's that patch.  Please give it at try with USB_DEBUG enabled.
> Note that the patch has two behavioral changes -- avoid the "what
> maxpacket should I use?" dance that's not needed, and use a longer
> delay at one point -- plus a diagnostic change to make EHCI report
> what control transfers are making trouble.
>
> We should at least be able to find out just what calls are making
> the trouble (and at what point in the sequence), even if the behavior
> changes don't help.  :)

Here the trace with the patch [1]

Matthieu


[ 3603.862208] usb usb4: usb resume
[ 3603.862733] ehci_hcd 0000:00:10.3: resume root hub
[ 3603.904375] hub 4-0:1.0: hub_resume
[ 3603.904624] hub 4-0:1.0: state 7 ports 6 chg 0000 evt 0000
[ 3603.904853] ehci_hcd 0000:00:10.3: GetStatus port 6 status 001803 POWER sig=j CSC CONNECT
[ 3603.905061] hub 4-0:1.0: port 6, status 0501, change 0001, 480 Mb/s
[ 3604.024263] hub 4-0:1.0: debounce: port 6: total 100ms stable 100ms status 0x501
[ 3604.077743] ehci_hcd 0000:00:10.3: port 6 high speed
[ 3604.077751] ehci_hcd 0000:00:10.3: GetStatus port 6 status 001005 POWER sig=se0 PE CONNECT
[ 3604.130831] usb 4-6: new high speed USB device using ehci_hcd and address 2
[ 3604.131315] ehci_hcd 0000:00:10.3: devpath 6 ep0out 3strikes
[ 3604.131321] ehci_hcd 0000:00:10.3: dev0 ep0out qtd token 00080248 --> status -71
[ 3604.334136] ehci_hcd 0000:00:10.3: devpath 6 ep0out 3strikes
[ 3604.334144] ehci_hcd 0000:00:10.3: dev0 ep0out qtd token 00080248 --> status -71
[ 3604.537078] usb 4-6: device not accepting address 2, error -71
[ 3604.590623] ehci_hcd 0000:00:10.3: port 6 high speed
[ 3604.590632] ehci_hcd 0000:00:10.3: GetStatus port 6 status 001005 POWER sig=se0 PE CONNECT
[ 3604.643645] usb 4-6: new high speed USB device using ehci_hcd and address 3
[ 3604.643932] ehci_hcd 0000:00:10.3: devpath 6 ep0out 3strikes
[ 3604.643938] ehci_hcd 0000:00:10.3: dev0 ep0out qtd token 00080248 --> status -71
[ 3604.846883] ehci_hcd 0000:00:10.3: devpath 6 ep0out 3strikes
[ 3604.846891] ehci_hcd 0000:00:10.3: dev0 ep0out qtd token 00080248 --> status -71
[ 3605.049921] usb 4-6: device not accepting address 3, error -71

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