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 >> _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel