Some testing notes for OS10 for the XO-1

[John Maloney]

Good news!

As I recall, that same issue came up in 802 as well -- with a similar  
fix.

	-- John


On Dec 13, 2009, at 10:15 PM, Philipp Kocher wrote:

> The Prolific driver gets loaded (see logs at the bottom).
> The problem are the permissions.
> After plugging in the scratch board "ll /dev/ttyUSB0" shows:
> crw-rw---- 1 root dialout 188, 0 2009-12-14 09:52 /dev/ttyUSB0
>
> User olpc is not in group dialout which means it doesn't have access  
> to ttyUSB0.
>
> After adding olpc to group dialout the scratch board works fine.
>
> Regards,
> Philipp
>
> On 12/13/2009 11:17 PM, John Maloney wrote:
>> Hi, Steven.
>>
>> The USB-serial cable that comes with the Scratch Sensor board needs a
>> driver from Prolifix. That driver used to be included in the  
>> builds, but
>> perhaps it was accidentally dropped?
>>
>> If you use a supported USB-serial adaptor cable, then I think the
>> ScratchBoard will work.
>>
>> I just got a report that sound playback is rough on XO 1.5:
>>
>> http://dev.laptop.org/ticket/9375
>>
>> I'm guessing this is caused by a switch from ALSA to PulseAudio.  
>> We've
>> seen that on Ubuntu; we still working to resolve the problem.  
>> PulseAudio
>> itself has some buffering issues, although it appears that folks are
>> working on those. The problems tend to show up more in applications
>> where sounds are triggered dynamically, such as Scratch, EToys, and
>> games, vs. playing music.
>>
>> -- John
>>
>> On Dec 13, 2009, at 4:00 AM, Philipp Kocher wrote:
>>
>>> Hi Steven
>>>
>>> - The scratch sensor board doesn't work (works with build 802)
>>> I hoped "allow olpc access to ttyUSB nodes" (from release notes  
>>> os10)
>>> would make it work. I added an extract of /var/log/messages at the
>>> bottom of the email.
>>>
>>> - timezone can not be changed in gnome since administration menu is
>>> missing (changing the timezone in sugar control panel has no  
>>> effect in
>>> gnome). And talking about time, I think the clock activity is really
>>> nice and useful.
>>>
>>> - build information "OLPC release 11 (Leonidas)" in sugar control
>>> panel is more confusing than helpful. What about "10 (based on  
>>> Fedora
>>> 11)"?
>>>
>>>> Does it boot consistently into Sugar? Gnome?
>>> Worked fine here.
>>>> Does sound work?
>>> Yes,no problem.
>>>> Can you suspend? Does it wake up?
>>> Suspend yes, but no proper wake up as mentioned by other testers
>>> (but the shutdown with the power button is really nice and useful).
>>>
>>> Regards,
>>> Philipp
>>>
>>> Plug in Scratch Sensor board with build 10 on Fedora 11:
>>> Dec 12 07:56:16 xo-11-08-d6 kernel: [ 88.687028] usb 1-2: new full
>>> speed USB device using ohci_hcd and address 2
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 88.908698] usb 1-2: configura
>>> tion #1 chosen from 1 choice
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.080490] usbcore: registere
>>> d new interface driver usbserial
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.080490] USB Serial support
>>> registered for generic
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.080490] usbcore: registere
>>> d new interface driver usbserial_generic
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.080490] usbserial: USB Ser
>>> ial Driver core
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.162673] USB Serial support
>>> registered for pl2303
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.162861] pl2303 1-2:1.0: pl
>>> 2303 converter detected
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.185652] usb 1-2: pl2303 co
>>> nverter now attached to ttyUSB0
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.185960] usbcore: registere
>>> d new interface driver pl2303
>>> Dec 12 07:56:17 xo-11-08-d6 kernel: [ 89.185982] pl2303: Prolific P
>>> L2303 USB to serial adaptor driver
>>> Dec 12 07:56:17 xo-11-08-d6 NetworkManager: <info> (ttyUSB0): ignori
>>> ng due to lack of mobile broadband capabilties
>>>
>>>
>>> Plug in Scratch Sensor board with build 802 on Fedora 9:
>>> Dec 13 08:48:55 localhost kernel: [ 155.465098] hub_port_wait_reset:
>>> portstatus=501 portchange=10
>>> Dec 13 08:48:55 localhost kernel: [ 155.536006] hub_port_wait_reset:
>>> portstatus=100 portchange=1
>>> Dec 13 08:48:55 localhost kernel: [ 155.539599] hub_port_wait_reset:
>>> device went away!
>>> Dec 13 08:48:55 localhost kernel: [ 155.549596] hub 2-0:1.0:  
>>> unable to
>>> enumerate USB device on port 2
>>> Dec 13 08:48:55 localhost kernel: [ 155.831725] hub_port_wait_reset:
>>> portstatus=103 portchange=10
>>> Dec 13 08:48:55 localhost kernel: [ 155.904029] usb 1-2: new full
>>> speed USB device using ohci_hcd and address 4
>>> Dec 13 08:48:55 localhost kernel: [ 155.997296] hub_port_wait_reset:
>>> portstatus=103 portchange=10
>>> Dec 13 08:48:56 localhost kernel: [ 156.077180] usb 1-2:  
>>> configuration
>>> #1 chosen from 1 choice
>>> Dec 13 08:48:56 localhost kernel: [ 156.413019] usbcore: registered
>>> new interface driver usbserial
>>> Dec 13 08:48:56 localhost kernel: [ 156.417722]
>>> drivers/usb/serial/usb-serial.c: USB Serial support registered for
>>> generic
>>> Dec 13 08:48:56 localhost kernel: [ 156.431937] usbcore: registered
>>> new interface driver usbserial_generic
>>> Dec 13 08:48:56 localhost kernel: [ 156.439535]
>>> drivers/usb/serial/usb-serial.c: USB Serial Driver core
>>> Dec 13 08:48:56 localhost kernel: [ 156.476346]
>>> drivers/usb/serial/usb-serial.c: USB Serial support registered for  
>>> pl2303
>>> Dec 13 08:48:56 localhost kernel: [ 156.479963] pl2303 1-2:1.0:  
>>> pl2303
>>> converter detected
>>> Dec 13 08:48:56 localhost kernel: [ 156.516365] usb 1-2: pl2303
>>> converter now attached to ttyUSB0
>>> Dec 13 08:48:56 localhost kernel: [ 156.522309] usbcore: registered
>>> new interface driver pl2303
>>> Dec 13 08:48:56 localhost kernel: [ 156.536892]
>>> drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor  
>>> driver
>>