03-19-2008, 04:33 PM | #1 |
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libprs500 on SuSE linux 10.3 doesn't recognize non-root user
Hi all, hope somebody can help.
I'm running SuSE linux 10.3 (x86_64). I've been trying to install libprs500 with varying degrees of success. I now have it to the point where I can detect the sony reader when logged in as root. However, if I log in as a regular user, I am told "Unable to find a connected ebook reader". The last instruction on the "generic linux" installation page of libprd500 is: Code:
gpasswd -a username plugdev Cheers and thanks, Rc |
03-19-2008, 04:35 PM | #2 |
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is this a prs500?
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03-19-2008, 05:04 PM | #3 |
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Yes, it is:
here's the output as root: talisker:/home/rcote # prs500 info /usr/local/lib64/python2.5/site-packages/libprs500-0.4.42-py2.5.egg/libprs500/devices/prs500/prstypes.py:145: DeprecationWarning: 'I' format requires 0 <= number <= 4294967295 Device name: Sony Reader Device version: PRS-500/U Software version: 1.0.03.07170 Mime type: application/x-bbeb-book talisker:/home/rcote # |
03-19-2008, 05:22 PM | #4 |
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What does ls -l /dev/sony reader device give?
where sony reader device should be something like sda or sdb or sdc etc |
03-20-2008, 05:09 AM | #5 |
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talisker:/home/rcote # ls -l /dev/sd*
brw-r----- 1 root disk 8, 0 2008-03-20 09:02 /dev/sda brw-r----- 1 root disk 8, 1 2008-03-20 09:02 /dev/sda1 brw-r----- 1 root disk 8, 2 2008-03-20 09:02 /dev/sda2 brw-r----- 1 root disk 8, 3 2008-03-20 09:02 /dev/sda3 brw-r----- 1 root disk 8, 5 2008-03-20 09:02 /dev/sda5 |
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03-20-2008, 04:36 PM | #6 |
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Looks like it's not being called sd*
You'll have to find out what device file it is being assigned to, by plugging it in and then looking at the last few lines in the output of the command dmesg |
03-22-2008, 04:54 AM | #7 |
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This is the output of dmesg:
usb 4-2: new full speed USB device using uhci_hcd and address 2 usb 4-2: new device found, idVendor=054c, idProduct=029b usb 4-2: new device strings: Mfr=1, Product=2, SerialNumber=0 usb 4-2: Product: Sony Portable Reader System usb 4-2: Manufacturer: Sony usb 4-2: configuration #1 chosen from 2 choices and I seem to have some corresponding /dev entries: crw-rw---- 1 root root 254, 14 2008-03-22 08:46 /dev/usbdev4.2_ep00 crw-rw---- 1 root root 254, 16 2008-03-22 08:46 /dev/usbdev4.2_ep02 crw-rw---- 1 root root 254, 15 2008-03-22 08:46 /dev/usbdev4.2_ep81 but unfortunately, they're only available to root. Why do I have a feeling this will be a problem? |
03-22-2008, 04:56 AM | #8 |
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Edit /etc/udev/rules.d/95-libprs500.rules replace plugdev with any group you're a member of, reboot and you should be fine.
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03-22-2008, 05:03 AM | #9 |
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Interestingly, the group in the file is not plugdev, but usb:
# Sony Reader PRS-500 BUS=="usb", SYSFS{idProduct}=="029b", SYSFS{idVendor}=="054c", MODE="660", GROUP="usb" Is there any security/usage risk changing the value of usb to users? |
03-22-2008, 05:20 AM | #10 |
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Nope, only that you grant everyone in the group users access to your reader.
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