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> Twitchy Or Jump Mouse?
scottlfa
post Nov 15 2007, 05:43 PM
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Has this been fixed yet? Or is it fixable? If I hold the stylus for more than a second or two on the screen, the cursor jumps erractically about the area around the stylus. Its one of the prime reasons I have not been using debian as my main dist. Noticed in pdaxrom and other dists this behavior is missing so I think its a debian specific thing.
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flux
post Nov 15 2007, 07:44 PM
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like the sound... you should look in this debian-forum... some older post about the mouse, the mousedev module...
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jpmatrix
post Nov 15 2007, 10:52 PM
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yup
try rmmod mousedev
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scottlfa
post Nov 16 2007, 02:39 AM
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Noticed it was still present after rmmoding the mousedev in console before starting X. Also noted that installing xlaunch has little or no effect smile.gif Will look further.
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ZDevil
post Nov 21 2007, 02:51 PM
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I use yonggun 2.6.23.1 kernel and there is no jumping pointer anymore. Writing/drawing in Xournal works like a charm. wink.gif
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scottlfa
post Nov 22 2007, 12:01 PM
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Waiting for a 2.6.23 that works with the C1000. smile.gif
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judecn
post Nov 25 2007, 01:59 PM
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The current yonggun kernel doesn't work with the C1000 sad.gif
I have the same problem--removing the mousedev module does NOT eliminate the twitchy cursor problem.
I am running the Angstrom 2.6.23 kernel from the 20071030 snapshot for the C1000. Everything else works, including suspend/resume, apm, etc, except for cpufreq (not a high priority at the moment) and this.

Here's my /etc/ts.conf (snarfed from Angstrom):
CODE
# Uncomment if you wish to use the linux input layer event interface
module_raw input grab_events=0

# Uncomment if you're using a Sharp Zaurus SL-5500/SL-5000d
# module_raw collie

# Uncomment if you're using a Sharp Zaurus SL-C700/C750/C760/C860
# module_raw corgi

# Uncomment if you're using a device with a UCB1200/1300/1400 TS interface
# module_raw ucb1x00

# Uncomment if you're using an HP iPaq h3600 or similar
# module_raw h3600

# Uncomment if you're using a Hitachi Webpad
# module_raw mk712

# Uncomment if you're using an IBM Arctic II
# module_raw arctic2

module pthres pmin=1
module variance delta=30
module dejitter delta=100
module linear


I'm using Angstrom's Xfbdev kdrive X server and their libts libraries (from the same snapshot). I've modified my .profile to export TSLIB_TSDEVICE=/dev/input/event1 before starting X. My touchscreen works, and I can use ts_calibrate (from Angstrom) to tweak it, but the twitchiness is still there. The strange thing is, this doesn't happen on Angstrom (even when booting from SD). I'll see if there's anything else I might have forgotten to copy over...

Kind regards!

EDIT: Hah! Got it working! I copied over Angstrom's /usr/lib/X11 directory (which I didn't think did anything, given that it only had a Xcms.txt file in it), and I eliminated some remaining libs of xfce4 (specifically, libthunar-vfs-1-2, libthunar-data, libxfce4mcs-client3, libxfce4util4, libxfce4mcs-manager3, libexo-0.3-0, libxfcegui4-4 mousepad xfce4-mcs-manager xfce4-mcs-plugins xfce4-utils xfmedia) which I no longer need now that I'm using IceWM. I'm not sure exactly what got it working, but whatever it was, the jitter is gone. Yay!
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jpmatrix
post Nov 26 2007, 02:27 AM
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QUOTE(judecn @ Nov 25 2007, 10:59 PM) *
The current yonggun kernel doesn't work with the C1000 sad.gif
I have the same problem--removing the mousedev module does NOT eliminate the twitchy cursor problem.
I am running the Angstrom 2.6.23 kernel from the 20071030 snapshot for the C1000. Everything else works, including suspend/resume, apm, etc, except for cpufreq (not a high priority at the moment) and this.

Here's my /etc/ts.conf (snarfed from Angstrom):
CODE
# Uncomment if you wish to use the linux input layer event interface
module_raw input grab_events=0

# Uncomment if you're using a Sharp Zaurus SL-5500/SL-5000d
# module_raw collie

# Uncomment if you're using a Sharp Zaurus SL-C700/C750/C760/C860
# module_raw corgi

# Uncomment if you're using a device with a UCB1200/1300/1400 TS interface
# module_raw ucb1x00

# Uncomment if you're using an HP iPaq h3600 or similar
# module_raw h3600

# Uncomment if you're using a Hitachi Webpad
# module_raw mk712

# Uncomment if you're using an IBM Arctic II
# module_raw arctic2

module pthres pmin=1
module variance delta=30
module dejitter delta=100
module linear


I'm using Angstrom's Xfbdev kdrive X server and their libts libraries (from the same snapshot). I've modified my .profile to export TSLIB_TSDEVICE=/dev/input/event1 before starting X. My touchscreen works, and I can use ts_calibrate (from Angstrom) to tweak it, but the twitchiness is still there. The strange thing is, this doesn't happen on Angstrom (even when booting from SD). I'll see if there's anything else I might have forgotten to copy over...

Kind regards!

EDIT: Hah! Got it working! I copied over Angstrom's /usr/lib/X11 directory (which I didn't think did anything, given that it only had a Xcms.txt file in it), and I eliminated some remaining libs of xfce4 (specifically, libthunar-vfs-1-2, libthunar-data, libxfce4mcs-client3, libxfce4util4, libxfce4mcs-manager3, libexo-0.3-0, libxfcegui4-4 mousepad xfce4-mcs-manager xfce4-mcs-plugins xfce4-utils xfmedia) which I no longer need now that I'm using IceWM. I'm not sure exactly what got it working, but whatever it was, the jitter is gone. Yay!


cool! i'll try your tip because i'm in the same situation : c3000 and 2.6.23 kernel from angstrom
mouse jittering was gone but it is now back since some times yet... and no mousedev is loaded...
moreover since my last dist-upgrade, stylus is not working anymore...but ts_calibrate IS working...
i'll try your Xcms.txt tip first and report here
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marianne
post Nov 28 2007, 12:41 PM
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i had/have the twitchy mouse issue, using titchy (not sure what the titchy kernel is? just says it's a 2.6.20...). i did rmmod mousedev and the twitchiness drastically reduced - to the point where it's not such a *huge* issue, but is still there a small amount. i can at least live with this lower level smile.gif
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zeigerpuppy
post Dec 17 2007, 02:13 AM
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QUOTE(marianne @ Nov 28 2007, 12:41 PM) *
i had/have the twitchy mouse issue, using titchy (not sure what the titchy kernel is? just says it's a 2.6.20...). i did rmmod mousedev and the twitchiness drastically reduced - to the point where it's not such a *huge* issue, but is still there a small amount. i can at least live with this lower level smile.gif



I am also having the same problem with yonggun 2.6.23.9
rmmod mousedev helped a bit but xournal is still not very useful
any ideas what is causing this?
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