[PD] [hid] crashing with segmentation fault

Jerome Tuncer columbiatwo at free.fr
Sun Feb 26 17:04:01 CET 2006


Hi Hans-Christopher,

Thanks for your quick answer.

What about [hid] not reporting absolute coordinates of the tablet 
anymlore? I remember it user to do so on the other machine I tested it.

Damn, maybe it has something to do with the bugfix... (=

++


Jé

Hans-Christoph Steiner a écrit :
> 
> Hmm, I wish there was documentation for the linux input system.  It  
> seems that the MSC and SYN event types only have a couple defined,  but 
> they use all sorts.
> 
> This is all new to 2.6 kernels, I've only really run this stuff on  
> 2.4.  So if you want it to be stable, try a 2.4 kernel.  I think the  
> MSC fix should be relatively straightforward.  I try to get to it  
> shortly, but I won't have any time to test it for a bit.  I am still  
> getting setup at my new job, then I'll have a test setup for all  
> platforms for Pd in general, including the HID stuff.
> 
> .hc
> 
> On Feb 24, 2006, at 9:22 AM, Jerome Tuncer wrote:
> 
>> Hi Hans-Christopher,
>>
>> Sorry for being soooooooooooooooooo late in testing the new fixes  but 
>> here I am (=
>>
>> There's news:
>>
>> [hid] only crashes (when polling enabled) with the keyboard of my  
>> laptop. As usual, touchpad doesn't report anything (non standard  
>> driver). But both my brand new Wacom Graphire and my mouse seem to  
>> output stuff without no crash!
>>
>> Here's the output from [hid] compiled in debug when crashing with  the 
>> keyboard (space key pressed as reported, but crashes with any  key):
>> ____________________________________
>>
>> hid_float
>> hid_start
>> [hid] polling started
>> INPUT_EVENT: msc msc_scan 57
>> INPUT_EVENT: key key_space 1
>> pd_gui: pd process exited
>> Erreur de segmentation
>> ____________________________________
>>
>> Common point between all these keyboard crashes are "msc msc_scan"  
>> events...
>>
>> Another thing: it seems that with this new version I only can get  
>> "rel" positions either with my mouse or with the tablet. Is it normal?
>>
>> Do you need any more output/help?
>>
>> ++
>>
>>
>>>>
>>
>> Hans-Christoph Steiner a écrit :
>>
>>> Please let me know.  I think I committed a better fix more  recently 
>>> too.
>>> .hc
>>> On Feb 5, 2006, at 11:08 AM, Jerome Tuncer wrote:
>>>
>>>> Hi Hans Christopher,
>>>>
>>>> I hadn't noticed you answered, thread is so down in the list! (-;
>>>>
>>>> Thanks for the reply, I'll check that out and keep you informed  
>>>> about  the results.
>>>>
>>>> ++
>>>>
>>>>
>>>>>>>>
>>>> Hans-Christoph Steiner a écrit :
>>>>
>>>>> Ok, still haven't had a moment to get my Debian going again, but  
>>>>> I   thought of something else.  I updated make-arrays-from- 
>>>>> input.h.pl to   generate a ev_syn array of 512 items.  This  should 
>>>>> hopefully prevent   the segfaults on Linux 2.6 kernels  until I 
>>>>> figure out a better way to   do this.
>>>>> .hc
>>>>> On Jan 10, 2006, at 1:12 PM, Jerome Tuncer wrote:
>>>>>
>>>>>> Hi Hans,
>>>>>>
>>>>>> I just tried replacing the line you told me in hid_linux.c and  
>>>>>> it   doesn't work. External compiles well but it still  segfaults 
>>>>>> with   exactly the same error.
>>>>>>
>>>>>> Since I don't understand much C programming, I just replaced  
>>>>>> what  you  said blindly...
>>>>>>
>>>>>> Good luck with your PowerBook anyway (-;
>>>>>>
>>>>>> ++
>>>>>>
>>>>>>>>>>>>
>>>>>> Hans-Christoph Steiner a écrit :
>>>>>>
>>>>>>> Ok, while working on this, my Linux install went down in  
>>>>>>> flames.  I    guess "unstable" was actually unstable this  time.  
>>>>>>> After a few  long   fscks, I am back on Mac OS X, but  not yet on 
>>>>>>> Debian.   Anyway, the  Linux  2.6 sync events are  not used by 
>>>>>>> [hid] and are  not HID events,  but  generated by  the Linux 
>>>>>>> kernel, so they'll be  eventually removed  so that   everything 
>>>>>>> is the same across  platform.
>>>>>>> For now, try replacing this line in hid_linux.c (line 180):
>>>>>>>     else
>>>>>>> with this:
>>>>>>>     else if ( event_type != EV_SYN )
>>>>>>> Sorry, I can't test it myself until I fix Debian on my  
>>>>>>> PowerBook.     Arg...
>>>>>>> .hc
>>>>>>> On Jan 7, 2006, at 10:19 PM, Jerome Tuncer wrote:
>>>>>>>
>>>>>>>> Hi Haans Christopher,
>>>>>>>>
>>>>>>>> In fact, it seems that both the keyboard and the mouse are  
>>>>>>>> making    [hid] crash. Some time ago, when the touchpad used  to 
>>>>>>>> work, I   remember  it made it crash as well and I'm quite  sure 
>>>>>>>> it gave   syn_report  messages as well...
>>>>>>>>
>>>>>>>> By the way: [hid] doesn't crash on my desktop which is  Debian   
>>>>>>>> testing  as well... I'll check the output to see if  
>>>>>>>> syn_report   messages are  present or not.
>>>>>>>>
>>>>>>>> ++
>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>
>>>>>>>> Hans-Christoph Steiner a écrit :
>>>>>>>>
>>>>>>>>> Are you able to narrow down which device is causing it?   
>>>>>>>>> Looks  like    syn_report messages are the culprit.  I don't  
>>>>>>>>> have a  device that    outputs syn_report events (IIRC).
>>>>>>>>> I'll look at this today.
>>>>>>>>> .hc
>>>>>>>>> On Jan 6, 2006, at 11:51 PM, Jerome Tuncer wrote:
>>>>>>>>>
>>>>>>>>>> Hi Hans, hi list,
>>>>>>>>>>
>>>>>>>>>> I just got back to trying to make [hid] work on my laptop  and 
>>>>>>>>>> I    still  can't...
>>>>>>>>>>
>>>>>>>>>> [hid] is the latest from CVS (Friday, January 6th 2006)  and  
>>>>>>>>>> still    gives segmentation faults.
>>>>>>>>>>
>>>>>>>>>> My machine is a PC running Debian unstable with 2.6.14.
>>>>>>>>>>
>>>>>>>>>> Here's more detail:
>>>>>>>>>>
>>>>>>>>>> I have 3 HID peripherals on the machine:
>>>>>>>>>>
>>>>>>>>>> - /dev/input/event0 :: Keyboard
>>>>>>>>>> - /dev/input/event1 :: Touchpad
>>>>>>>>>> - /dev/input/event2 :: USB Mouse
>>>>>>>>>>
>>>>>>>>>> "$ hexdump /dev/input/event1" doesn't output anything so I   
>>>>>>>>>> assume   the  touchpad doesn't send info well. Let's  forget  
>>>>>>>>>> about that for   now.
>>>>>>>>>>
>>>>>>>>>> "$ hexdump /dev/input/event0"
>>>>>>>>>> "$ hexdump /dev/input/event2"
>>>>>>>>>> Both output hex. dataflow.
>>>>>>>>>>
>>>>>>>>>> The output from [print( sent to [hid] compiled in debug  mode 
>>>>>>>>>> for   the   keyboard is printKeyboard.txt.  printTouchpad.txt 
>>>>>>>>>> and   printMouse.txt   are the outputs  from the 2 other 
>>>>>>>>>> peripherals.
>>>>>>>>>>
>>>>>>>>>> The 2 other files (printSegFaultKeyboard.txt and      
>>>>>>>>>> printSegFaultMouse.txt)  is the stderr from the two  
>>>>>>>>>> peripherals   that   make [hid] crash. Touchpad doesn't  seem 
>>>>>>>>>> to send anything.
>>>>>>>>>>
>>>>>>>>>> I suspect the problem being similar to what Gerda  
>>>>>>>>>> experienced  in:     http://lists.puredata.info/pipermail/ 
>>>>>>>>>> pd-list/2005-08/030339.html
>>>>>>>>>>
>>>>>>>>>> Do you know where the problem may come from?
>>>>>>>>>> Do you need more output from anything?
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> ++
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> hid_new
>>>>>>>>>> [hid] 0.6, written by Hans-Christoph Steiner <hans at eds.org>
>>>>>>>>>> hid_open
>>>>>>>>>> [hid] opened device 0 (/dev/input/event0): AT Translated  Set 
>>>>>>>>>> 2    keyboard
>>>>>>>>>>
>>>>>>>>>> Device 0: 'AT Translated Set 2 keyboard' on '/dev/input/ event0'
>>>>>>>>>> Device 1: 'SynPS/2 Synaptics TouchPad' on '/dev/input/event1'
>>>>>>>>>> Device 2: 'Microsoft Microsoft Wheel Mouse Optical®' on      
>>>>>>>>>> '/dev/input/event2'
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Supported events:
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   syn   syn_report      Synchronization
>>>>>>>>>>   syn   syn_config      Synchronization
>>>>>>>>>>   syn   ?       Synchronization
>>>>>>>>>>   syn   ev_9    Synchronization
>>>>>>>>>>   syn   ev_12   Synchronization
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   key   key_esc Keys/Buttons
>>>>>>>>>>   key   key_1   Keys/Buttons
>>>>>>>>>>   key   key_2   Keys/Buttons
>>>>>>>>>>   key   key_3   Keys/Buttons
>>>>>>>>>>   key   key_4   Keys/Buttons
>>>>>>>>>>   key   key_5   Keys/Buttons
>>>>>>>>>>   key   key_6   Keys/Buttons
>>>>>>>>>>   key   key_7   Keys/Buttons
>>>>>>>>>>   key   key_8   Keys/Buttons
>>>>>>>>>>   key   key_9   Keys/Buttons
>>>>>>>>>>   key   key_0   Keys/Buttons
>>>>>>>>>>   key   key_minus       Keys/Buttons
>>>>>>>>>>   key   key_equal       Keys/Buttons
>>>>>>>>>>   key   key_backspace   Keys/Buttons
>>>>>>>>>>   key   key_tab Keys/Buttons
>>>>>>>>>>   key   key_q   Keys/Buttons
>>>>>>>>>>   key   key_w   Keys/Buttons
>>>>>>>>>>   key   key_e   Keys/Buttons
>>>>>>>>>>   key   key_r   Keys/Buttons
>>>>>>>>>>   key   key_t   Keys/Buttons
>>>>>>>>>>   key   key_y   Keys/Buttons
>>>>>>>>>>   key   key_u   Keys/Buttons
>>>>>>>>>>   key   key_i   Keys/Buttons
>>>>>>>>>>   key   key_o   Keys/Buttons
>>>>>>>>>>   key   key_p   Keys/Buttons
>>>>>>>>>>   key   key_leftbrace   Keys/Buttons
>>>>>>>>>>   key   key_rightbrace  Keys/Buttons
>>>>>>>>>>   key   key_enter       Keys/Buttons
>>>>>>>>>>   key   key_leftctrl    Keys/Buttons
>>>>>>>>>>   key   key_a   Keys/Buttons
>>>>>>>>>>   key   key_s   Keys/Buttons
>>>>>>>>>>   key   key_d   Keys/Buttons
>>>>>>>>>>   key   key_f   Keys/Buttons
>>>>>>>>>>   key   key_g   Keys/Buttons
>>>>>>>>>>   key   key_h   Keys/Buttons
>>>>>>>>>>   key   key_j   Keys/Buttons
>>>>>>>>>>   key   key_k   Keys/Buttons
>>>>>>>>>>   key   key_l   Keys/Buttons
>>>>>>>>>>   key   key_semicolon   Keys/Buttons
>>>>>>>>>>   key   key_apostrophe  Keys/Buttons
>>>>>>>>>>   key   key_grave       Keys/Buttons
>>>>>>>>>>   key   key_leftshift   Keys/Buttons
>>>>>>>>>>   key   key_backslash   Keys/Buttons
>>>>>>>>>>   key   key_z   Keys/Buttons
>>>>>>>>>>   key   key_x   Keys/Buttons
>>>>>>>>>>   key   key_c   Keys/Buttons
>>>>>>>>>>   key   key_v   Keys/Buttons
>>>>>>>>>>   key   key_b   Keys/Buttons
>>>>>>>>>>   key   key_n   Keys/Buttons
>>>>>>>>>>   key   key_m   Keys/Buttons
>>>>>>>>>>   key   key_comma       Keys/Buttons
>>>>>>>>>>   key   key_dot Keys/Buttons
>>>>>>>>>>   key   key_slash       Keys/Buttons
>>>>>>>>>>   key   key_rightshift  Keys/Buttons
>>>>>>>>>>   key   key_kpasterisk  Keys/Buttons
>>>>>>>>>>   key   key_leftalt     Keys/Buttons
>>>>>>>>>>   key   key_space       Keys/Buttons
>>>>>>>>>>   key   key_capslock    Keys/Buttons
>>>>>>>>>>   key   key_f1  Keys/Buttons
>>>>>>>>>>   key   key_f2  Keys/Buttons
>>>>>>>>>>   key   key_f3  Keys/Buttons
>>>>>>>>>>   key   key_f4  Keys/Buttons
>>>>>>>>>>   key   key_f5  Keys/Buttons
>>>>>>>>>>   key   key_f6  Keys/Buttons
>>>>>>>>>>   key   key_f7  Keys/Buttons
>>>>>>>>>>   key   key_f8  Keys/Buttons
>>>>>>>>>>   key   key_f9  Keys/Buttons
>>>>>>>>>>   key   key_f10 Keys/Buttons
>>>>>>>>>>   key   key_numlock     Keys/Buttons
>>>>>>>>>>   key   key_scrolllock  Keys/Buttons
>>>>>>>>>>   key   key_kp7 Keys/Buttons
>>>>>>>>>>   key   key_kp8 Keys/Buttons
>>>>>>>>>>   key   key_kp9 Keys/Buttons
>>>>>>>>>>   key   key_kpminus     Keys/Buttons
>>>>>>>>>>   key   key_kp4 Keys/Buttons
>>>>>>>>>>   key   key_kp5 Keys/Buttons
>>>>>>>>>>   key   key_kp6 Keys/Buttons
>>>>>>>>>>   key   key_kpplus      Keys/Buttons
>>>>>>>>>>   key   key_kp1 Keys/Buttons
>>>>>>>>>>   key   key_kp2 Keys/Buttons
>>>>>>>>>>   key   key_kp3 Keys/Buttons
>>>>>>>>>>   key   key_kp0 Keys/Buttons
>>>>>>>>>>   key   key_kpdot       Keys/Buttons
>>>>>>>>>>   key   key_zenkakuhankaku      Keys/Buttons
>>>>>>>>>>   key   key_102nd       Keys/Buttons
>>>>>>>>>>   key   key_f11 Keys/Buttons
>>>>>>>>>>   key   key_f12 Keys/Buttons
>>>>>>>>>>   key   key_ro  Keys/Buttons
>>>>>>>>>>   key   key_katakana    Keys/Buttons
>>>>>>>>>>   key   key_hiragana    Keys/Buttons
>>>>>>>>>>   key   key_henkan      Keys/Buttons
>>>>>>>>>>   key   key_katakanahiragana    Keys/Buttons
>>>>>>>>>>   key   key_muhenkan    Keys/Buttons
>>>>>>>>>>   key   key_kpjpcomma   Keys/Buttons
>>>>>>>>>>   key   key_kpenter     Keys/Buttons
>>>>>>>>>>   key   key_rightctrl   Keys/Buttons
>>>>>>>>>>   key   key_kpslash     Keys/Buttons
>>>>>>>>>>   key   key_sysrq       Keys/Buttons
>>>>>>>>>>   key   key_rightalt    Keys/Buttons
>>>>>>>>>>   key   key_home        Keys/Buttons
>>>>>>>>>>   key   key_up  Keys/Buttons
>>>>>>>>>>   key   key_pageup      Keys/Buttons
>>>>>>>>>>   key   key_left        Keys/Buttons
>>>>>>>>>>   key   key_right       Keys/Buttons
>>>>>>>>>>   key   key_end Keys/Buttons
>>>>>>>>>>   key   key_down        Keys/Buttons
>>>>>>>>>>   key   key_pagedown    Keys/Buttons
>>>>>>>>>>   key   key_insert      Keys/Buttons
>>>>>>>>>>   key   key_delete      Keys/Buttons
>>>>>>>>>>   key   key_macro       Keys/Buttons
>>>>>>>>>>   key   key_mute        Keys/Buttons
>>>>>>>>>>   key   key_volumedown  Keys/Buttons
>>>>>>>>>>   key   key_volumeup    Keys/Buttons
>>>>>>>>>>   key   key_power       Keys/Buttons
>>>>>>>>>>   key   key_kpequal     Keys/Buttons
>>>>>>>>>>   key   key_kpplusminus Keys/Buttons
>>>>>>>>>>   key   key_pause       Keys/Buttons
>>>>>>>>>>   key   key_kpcomma     Keys/Buttons
>>>>>>>>>>   key   key_yen Keys/Buttons
>>>>>>>>>>   key   key_leftmeta    Keys/Buttons
>>>>>>>>>>   key   key_rightmeta   Keys/Buttons
>>>>>>>>>>   key   key_compose     Keys/Buttons
>>>>>>>>>>   key   key_stop        Keys/Buttons
>>>>>>>>>>   key   key_calc        Keys/Buttons
>>>>>>>>>>   key   key_sleep       Keys/Buttons
>>>>>>>>>>   key   key_wakeup      Keys/Buttons
>>>>>>>>>>   key   key_www Keys/Buttons
>>>>>>>>>>   key   key_mail        Keys/Buttons
>>>>>>>>>>   key   key_bookmarks   Keys/Buttons
>>>>>>>>>>   key   key_computer    Keys/Buttons
>>>>>>>>>>   key   key_back        Keys/Buttons
>>>>>>>>>>   key   key_forward     Keys/Buttons
>>>>>>>>>>   key   key_nextsong    Keys/Buttons
>>>>>>>>>>   key   key_playpause   Keys/Buttons
>>>>>>>>>>   key   key_previoussong        Keys/Buttons
>>>>>>>>>>   key   key_stopcd      Keys/Buttons
>>>>>>>>>>   key   key_refresh     Keys/Buttons
>>>>>>>>>>   key   key_f13 Keys/Buttons
>>>>>>>>>>   key   key_f14 Keys/Buttons
>>>>>>>>>>   key   key_f15 Keys/Buttons
>>>>>>>>>>   key   key_search      Keys/Buttons
>>>>>>>>>>   key   key_media       Keys/Buttons
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   msc   msc_scan        Miscellaneous
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   led   led_numl        LEDs
>>>>>>>>>>   led   led_capsl       LEDs
>>>>>>>>>>   led   led_scrolll     LEDs
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>
>>>>>>>>>> Detected:
>>>>>>>>>>   5 Sync types
>>>>>>>>>>   142 Key/Button types
>>>>>>>>>>   1 Misc types
>>>>>>>>>>   3 LED types
>>>>>>>>>> hid_new
>>>>>>>>>> [hid] 0.6, written by Hans-Christoph Steiner <hans at eds.org>
>>>>>>>>>> hid_open
>>>>>>>>>> [hid] opened device 2 (/dev/input/event2): Microsoft  
>>>>>>>>>> Microsoft   Wheel   Mouse Optical®
>>>>>>>>>>
>>>>>>>>>> Device 0: 'AT Translated Set 2 keyboard' on '/dev/input/ event0'
>>>>>>>>>> Device 1: 'SynPS/2 Synaptics TouchPad' on '/dev/input/event1'
>>>>>>>>>> Device 2: 'Microsoft Microsoft Wheel Mouse Optical®' on      
>>>>>>>>>> '/dev/input/event2'
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Supported events:
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   syn   syn_report      Synchronization
>>>>>>>>>>   syn   syn_config      Synchronization
>>>>>>>>>>   syn   ?       Synchronization
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   key   btn_0   btn_left
>>>>>>>>>>   key   btn_1   btn_right
>>>>>>>>>>   key   btn_2   btn_middle
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   rel   rel_x   Relative Axis
>>>>>>>>>>   rel   rel_y   Relative Axis
>>>>>>>>>>   rel   rel_wheel       Relative Axis
>>>>>>>>>>
>>>>>>>>>> Detected:
>>>>>>>>>>   3 Sync types
>>>>>>>>>>   3 Key/Button types
>>>>>>>>>>   3 Relative Axis types
>>>>>>>>>> hid_new
>>>>>>>>>> [hid] 0.6, written by Hans-Christoph Steiner <hans at eds.org>
>>>>>>>>>> hid_open
>>>>>>>>>> [hid] opened device 0 (/dev/input/event0): AT Translated  Set 
>>>>>>>>>> 2    keyboard
>>>>>>>>>> hid_float
>>>>>>>>>> hid_start
>>>>>>>>>> [hid] polling started
>>>>>>>>>> INPUT_EVENT: msc msc_scan 57
>>>>>>>>>> INPUT_EVENT: key key_space 1
>>>>>>>>>> INPUT_EVENT: syn syn_report 0
>>>>>>>>>> pd_gui: pd process exited
>>>>>>>>>> Erreur de segmentation
>>>>>>>>>> hid_new
>>>>>>>>>> [hid] 0.6, written by Hans-Christoph Steiner <hans at eds.org>
>>>>>>>>>> hid_open
>>>>>>>>>> [hid] opened device 2 (/dev/input/event2): Microsoft  
>>>>>>>>>> Microsoft   Wheel   Mouse Optical®
>>>>>>>>>> hid_float
>>>>>>>>>> hid_start
>>>>>>>>>> [hid] polling started
>>>>>>>>>> INPUT_EVENT: rel rel_x 4
>>>>>>>>>> INPUT_EVENT: syn syn_report 0
>>>>>>>>>> socket receive error: Connection reset by peer (104)
>>>>>>>>>> Erreur de segmentation
>>>>>>>>>> hid_new
>>>>>>>>>> [hid] 0.6, written by Hans-Christoph Steiner <hans at eds.org>
>>>>>>>>>> hid_open
>>>>>>>>>> [hid] opened device 1 (/dev/input/event1): SynPS/2  
>>>>>>>>>> Synaptics   TouchPad
>>>>>>>>>>
>>>>>>>>>> Device 0: 'AT Translated Set 2 keyboard' on '/dev/input/ event0'
>>>>>>>>>> Device 1: 'SynPS/2 Synaptics TouchPad' on '/dev/input/event1'
>>>>>>>>>> Device 2: 'Microsoft Microsoft Wheel Mouse Optical®' on      
>>>>>>>>>> '/dev/input/event2'
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Supported events:
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   syn   syn_report      Synchronization
>>>>>>>>>>   syn   syn_config      Synchronization
>>>>>>>>>>   syn   ?       Synchronization
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   key   btn_0   btn_left
>>>>>>>>>>   key   btn_1   btn_right
>>>>>>>>>>   key   btn_2   btn_middle
>>>>>>>>>>   key   btn_5   btn_forward
>>>>>>>>>>   key   btn_6   btn_back
>>>>>>>>>>   key   btn_5   btn_tool_finger
>>>>>>>>>>   key   btn_10  btn_touch
>>>>>>>>>>   key   btn_13  btn_tool_doubletap
>>>>>>>>>>   key   btn_14  btn_tool_tripletap
>>>>>>>>>>
>>>>>>>>>>   TYPE  CODE    EVENT NAME
>>>>>>>>>> -----------------------------------------------------------
>>>>>>>>>>   abs   abs_x   Absolute Axis
>>>>>>>>>>   abs   abs_y   Absolute Axis
>>>>>>>>>>   abs   abs_pressure    Absolute Axis
>>>>>>>>>>   abs   abs_tool_width  Absolute Axis
>>>>>>>>>>
>>>>>>>>>> Detected:
>>>>>>>>>>   3 Sync types
>>>>>>>>>>   9 Key/Button types
>>>>>>>>>>   4 Absolute Axis types
>>>>>>>>>> _______________________________________________
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>>>>>>>>> _______________________________________________________________ 
>>>>>>>>> ___ __ __ __ ____
>>>>>>>>> "Computer science is no more related to the computer than   
>>>>>>>>> astronomy   is  related to the telescope."
>>>>>>>>>                                                           - 
>>>>>>>>> Edsger     Dykstra
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
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>>>>>>>                                                 -A.J. Muste
>>>>>>>
>>>>> ___________________________________________________________________ 
>>>>> ___ __ ____
>>>>> "[W]e have invented the technology to eliminate scarcity, but we  
>>>>> are   deliberately throwing it away to benefit those who profit  
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>>>>>                                                      -John Gilmore
>>>>
>>>>
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