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Subject:
can't open /dev/pt_drv as a device
From: MnK ####@####.#### Date: 27 May 2000 17:18:38 -0000 Message-Id: <39300859.B2548A13@innocent.com> Hello all, This one is driving me nuts to say the least. [big plustek_driver]# /usr/local/bin/scanimage -L [plustek] dev_open: can't open /dev/pt_drv as a device [plustek] attach: open failed: Error during device I/O I have wiped the sane and plustek sources and reinstalled per the HOWTO and Gerhard's directions and this is the message I get repeatedly. The scanner (OP9636T) lamp is coming on, then gets to the end of the lamp timeout and shuts down. I have tried while the lamp is on then off. I do get these errors while compiling the driver: gcc -c -O3 -I/usr/X11R6/include -I./h -D_PTDRV_V1=0 -D_PTDRV_V0=34 -Wall -Wstri ct-prototypes -c src/genericio.c -o obj.user/genericio.o src/genericio.c: In function `fnSppLineArtSpeed': src/genericio.c:766: warning: suggest explicit braces to avoid ambiguous `else'src/genericio.c: In function `ioP98SppNegativeProcs': src/genericio.c:968: warning: suggest explicit braces to avoid ambiguous `else'src/genericio.c: In function `ioP98EppNegativeProcs': but I don't think this is causing the problem. Is there some device I need to add to /dev ? Mark Attanasio | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Subject:
Re: can't open /dev/pt_drv as a device
From: ####@####.#### (G. Jaeger) Date: 28 May 2000 12:04:33 -0000 Message-Id: <12w1o9-0GeHb6C@fwd04.sul.t-online.de> Mnk wrote: > >This one is driving me nuts to say the least. > >[big plustek_driver]# /usr/local/bin/scanimage -L >[plustek] dev_open: can't open /dev/pt_drv as a device >[plustek] attach: open failed: Error during device I/O > >I have wiped the sane and plustek sources and reinstalled per the HOWTO >and Gerhard's directions and this is the message I get repeatedly. > >The scanner (OP9636T) lamp is coming on, then gets to the end of the >lamp timeout and shuts down. I have tried while the lamp is on then >off. > Strange, because the driver seems to be loaded. Have you recompiled the Plustek backend ? Have you called the make install in the sane source directory ? It looks like scanimage uses an old backend ! > > >I do get these errors while compiling the driver: > >gcc -c -O3 -I/usr/X11R6/include -I./h -D_PTDRV_V1=0 -D_PTDRV_V0=34 >-Wall -Wstri >ct-prototypes -c src/genericio.c -o obj.user/genericio.o >src/genericio.c: In function `fnSppLineArtSpeed': >src/genericio.c:766: warning: suggest explicit braces to avoid ambiguous >`else'src/genericio.c: In function `ioP98SppNegativeProcs': >src/genericio.c:968: warning: suggest explicit braces to avoid ambiguous >`else'src/genericio.c: In function `ioP98EppNegativeProcs': > >but I don't think this is causing the problem. You're right this is not the problem. This occurs for the new GCC 2.95 and didn't when using the older GCC 2.72 (I use !) But I will remove the warnings next time. > >Is there some device I need to add to /dev ? > This should be done by MakeKernel in backend/plustek_driver when calling make load ! Gerhard ---------------------------------------- ####@####.#### ---------------------------------------- | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Subject:
Re: can't open /dev/pt_drv as a device
From: Mark Sutton ####@####.#### Date: 28 May 2000 15:47:56 -0000 Message-Id: <Pine.GSO.4.10.10005271110330.19297-100000@lazo.capelazo.com> Hi, I have had the same problem. I think there is a bug with sane-1.0.2. The --disable-shared switch does in fact stop the production of shared libs, but if one does a trace of sane it still tries to open /usr/local/lib/sane/libsane-plustek.so.1, which is of course, not there! And you get "can't open /dev/pt_drv as a device". I don't think this happened with sane-1.0.1. The other thing I have noticed is sane will not clobber any of the config files in /usr/local/etc/sane.d. The important one is dll.conf which should have a "plustek" entry, as the new one that comes with the driver does. After loading the new (0.35) driver, the 9630PL I have seems to work perfectly! :-) No more color problems, no freezing of the machine. Good work Gerhard et al. and thanks. Mark | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Subject:
Re: can't open /dev/pt_drv as a device
From: ####@####.#### Date: 28 May 2000 17:09:23 -0000 Message-Id: <393152DD.51295B55@bellsouth.net> MnK wrote: > > Hello all, > > This one is driving me nuts to say the least. > > [big plustek_driver]# /usr/local/bin/scanimage -L > [plustek] dev_open: can't open /dev/pt_drv as a device > [plustek] attach: open failed: Error during device I/O > > I have wiped the sane and plustek sources and reinstalled per the HOWTO > and Gerhard's directions and this is the message I get repeatedly. > > The scanner (OP9636T) lamp is coming on, then gets to the end of the > lamp timeout and shuts down. I have tried while the lamp is on then > off. > > I do get these errors while compiling the driver: > > gcc -c -O3 -I/usr/X11R6/include -I./h -D_PTDRV_V1=0 -D_PTDRV_V0=34 > -Wall -Wstri > ct-prototypes -c src/genericio.c -o obj.user/genericio.o > src/genericio.c: In function `fnSppLineArtSpeed': > src/genericio.c:766: warning: suggest explicit braces to avoid ambiguous > `else'src/genericio.c: In function `ioP98SppNegativeProcs': > src/genericio.c:968: warning: suggest explicit braces to avoid ambiguous > `else'src/genericio.c: In function `ioP98EppNegativeProcs': > > but I don't think this is causing the problem. > > Is there some device I need to add to /dev ? > You should see the folowing if you do "ls -al /dev/pt_drv" crw-rw-r- 1 <owner> <group> 40, 0 <date> /dev/pt_drv If it doesn't exist you need to create it with "make install" and "make load" in the plustek_driver directory. You probably have to be root to do this and unless you are using something like sudo you need to be root to "insmod pt_drv" Kevin | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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