[PD] [hid] crashing with segmentation fault
Hans-Christoph Steiner
hans at eds.org
Sat Feb 25 21:34:59 CET 2006
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?
>
> ++
>
>
> Jé
>
>
> 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.
>>>
>>> ++
>>>
>>>
>>> Jé
>>>
>>> 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 (-;
>>>>>
>>>>> ++
>>>>>
>>>>> Jé
>>>>>
>>>>> 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.
>>>>>>>
>>>>>>> ++
>>>>>>>
>>>>>>> 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 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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>>>>>>>>>
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>>>>>>>> astronomy is related to the telescope."
>>>>>>>> -
>>>>>>>> Edsger Dykstra
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
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>>>>>> -A.J. Muste
>>>>>>
>>>> ___________________________________________________________________
>>>> ___ __ ____
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>>>
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