MGA 5 - Brother MFC - Can't open scanner

MGA 5 - Brother MFC - Can't open scanner

Postby laidlaws » Jul 10th, '16, 01:53

Running MGA 5 Official with a recent GeFORCE motherboard and separate GeFORCE video card.

Printer is a Brother MFC-J825DW. Installed driver packages from Brother and amended 60-libsane-rules as recommended.

Xsane reports "No scanners found."

Scanner is detected by root:

found USB scanner (vendor=0x04f9 [Brother], product=0x0283 [MFC-J825DW]) at libusb:001:002
Code: Select all
ls -la /dev/bus/usb/* gives

crw-rw-r--+ 1 root lp 189, 1 Jul 9 21:36 002


But adding myself to the "lp" group made no difference, even after a reboot.
Using "sudo" I needed to specify a DISPLAY.
Using "su -" produced the Xsane license screen.

"strace xsane" terminates with

Code: Select all
open("/lib64/tls/x86_64/libnvidia-egl-wayland.so.", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls/x86_64", 0x7ffc3e4c59e0) = -1 ENOENT (No such file or directory)
open("/lib64/tls/libnvidia-egl-wayland.so.", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls", 0x7ffc3e4c59e0)      = -1 ENOENT (No such file or directory)
open("/lib64/x86_64/libnvidia-egl-wayland.so.", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/x86_64", 0x7ffc3e4c59e0)   = -1 ENOENT (No such file or directory)
open("/lib64/libnvidia-egl-wayland.so.", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64", {st_mode=S_IFDIR|0755, st_size=135168, ...}) = 0
open("/usr/lib64/libnvidia-egl-wayland.so.", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)

A recent release of nVidia in March this year (364.12) has support for Wayland, but I am running the MATE desktop. Some Wayland libs were updated recently.

Will provide any further info requested.
Last edited by isadora on Jul 10th, '16, 08:21, edited 2 times in total.
Reason: Placed command-output in between [CODE]-tags for better readability ;)
laidlaws
 
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Re: MGA 5 - Brother MFC - Can't open scanner

Postby laidlaws » Jul 10th, '16, 12:28

(Thanks Isadora. It has been too long.)

I mentioned that I can get the Xsane license up with "su -', but I still can't find a scanner to open.
Those messages about the nVidia library are written after I close the dialog box. The real problem seems to be higher up, but I don't really understand the output.
Last edited by laidlaws on Jul 10th, '16, 12:41, edited 1 time in total.
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Re: MGA 5 - Brother MFC - Can't open scanner

Postby isadora » Jul 10th, '16, 12:37

;)
..........bird from paradise..........

Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.
—Antoine de Saint-Exupéry
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Re: MGA 5 - Brother MFC - Can't open scanner

Postby laidlaws » Jul 14th, '16, 15:40

Attaching output of strace, running xsane in an xterm. Box came up saying "no scanners," and I closed it. That caused an exit.
Attachments
xsane-strace.txt
Output of strace; see post.
(1.93 MiB) Downloaded 135 times
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Re: MGA 5 - Brother MFC - Can't open scanner

Postby bstrik » Jul 18th, '16, 20:13

I have the same problem.
dmesg shows:
Code: Select all
usb 1-1: usbfs: interface 0 claimed by usblp while 'xscanimage' sets config #1
usb 1-1: usbfs: process 3353 (xscanimage) did not claim interface 1 before use
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Re: MGA 5 - Brother MFC - Can't open scanner

Postby bstrik » Aug 12th, '16, 05:22

It seems you have to use the same usb port as when you initialy installed the scanner.
Somehow it remembers the usb port.
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