Re: [PD] [hid] crashing with segmentation fault

10 Jan 2006

      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.
++
Jé
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?
++
Jé
hid_new
[hid] 0.6, written by Hans-Christoph Steiner hans@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@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@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@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@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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Re: [PD] [hid] crashing with segmentation fault

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