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Bug 76757 - xsane requires root priv to access scanner
xsane requires root priv to access scanner
Product: Red Hat Linux
Classification: Retired
Component: kudzu (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Bill Nottingham
Depends On:
  Show dependency treegraph
Reported: 2002-10-25 19:01 EDT by Adam Kropelin
Modified: 2014-03-16 22:32 EDT (History)
3 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2005-09-23 15:38:53 EDT
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Regression: ---
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Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Adam Kropelin 2002-10-25 19:01:39 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20021003

Description of problem:
When running xsane as a mortal user it gives an error: "Failed to open device
'sm3600:1/3': Error during device I/O.". Running as root (and ignoring xsane's
warnings about the dangers of doing so) solves the problem. Scanner is a USB
Microtek ScanMaker 3600, FWIW.

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

How reproducible:

Steps to Reproduce:
1. Log in as a normal user and start X
2. Start xsane
3. Accept license agreement


Actual Results:  Error message cited above appears in a pop-up.

Expected Results:  Xsane main window should appear.

Additional info:
Comment 1 Tim Waugh 2002-11-07 09:03:27 EST
If you make a symlink /dev/scanner pointing to the right device, this should
work fine.

It would be nice if kudzu did this for you I guess.
Comment 2 Forrest 2003-03-08 00:27:04 EST
I had to add a script that changed the permissions of the device.  I create a
file called /etc/hotplug/usb/sm3600 containing:

cd /etc/hotplug
. hotplug.functions
mesg setting permissions of $DEVICE
chmod a+rw $DEVICE

Then make this file executable (`chmod a+rx /etc/hotplug/usb/sm3600`).  This
works for me, but the /dev/scanner symlink doesn't seem to work.
Comment 3 Joerg Skottke 2004-03-21 10:23:56 EST
Annoying thing. Add me to cc
Comment 4 Bill Nottingham 2005-09-23 15:38:53 EDT
Some of this was handled by USB hotplug scripts in later releases. For the
Fedora Core development stream, handling of this is done/needs to be done via
udev rules. Closing as WONTFIX for kudzu, as this is handled elsewhere in
current releases.

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