Bug 841865 - Quanta OpticalTouchScreen
Quanta OpticalTouchScreen
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-evdev (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: X/OpenGL Maintenance List
Peter Hutterer
Depends On:
  Show dependency treegraph
Reported: 2012-07-20 08:46 EDT by Tom Atkinson
Modified: 2013-08-01 09:42 EDT (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2013-08-01 09:41:52 EDT
Type: Bug
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
Xorg log (32.85 KB, text/plain)
2012-07-20 08:47 EDT, Tom Atkinson
no flags Details
Calibration config used. (206 bytes, text/plain)
2012-07-20 08:49 EDT, Tom Atkinson
no flags Details

  None (edit)
Description Tom Atkinson 2012-07-20 08:46:49 EDT
Description of problem:

A touch screen device identified as "Quanta OpticalTouchScreen" and found on an ASUS all-in-one pc was reported as not accepting calibration provided via xorg.conf.

Xorg log (attached) contained the following error:

Quanta OpticalTouchScreen: Couldn't open mtdev device

Apparently this error causes all initialisation on the device to be aborted, leaving it uncalibrated.

I was able to build a version of evdev without mtdev support which corrects the issue.

Either multi touch support for this device should be fixed, or graceful fallback to single touch for unsupported devices added.

Version-Release number of selected component (if applicable):

Comment 1 Tom Atkinson 2012-07-20 08:47:22 EDT
Created attachment 599382 [details]
Xorg log
Comment 2 Tom Atkinson 2012-07-20 08:49:21 EDT
Created attachment 599383 [details]
Calibration config used.
Comment 3 Fedora End Of Life 2013-07-04 00:28:34 EDT
This message is a reminder that Fedora 17 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 17. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as WONTFIX if it remains open with a Fedora 
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Comment 4 Fedora End Of Life 2013-08-01 09:42:08 EDT
Fedora 17 changed to end-of-life (EOL) status on 2013-07-30. Fedora 17 is 
no longer maintained, which means that it will not receive any further 
security or bug fix updates. As a result we are closing this bug.

If you can reproduce this bug against a currently maintained version of 
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