plustek: Epson 1250
Subject:
Re: Epson 1250
From:
"Jaeger, Gerhard" ####@####.####
Date:
1 Feb 2003 18:33:43 -0000
Message-Id: <200302011923.33642.gerhard@gjaeger.de>
Hi Josh,
On Samstag, 1. Februar 2003 06:45, Josh Homan wrote:
> I currently can scan as long as the scanner is the only usb device
> plugged in. If I plug another usb device in, once the scanner warms up,
> moves a bit then just stops. I happens with any device plugged into any
> port (printer, zip drive, camera). Any ideas. I'm using the 0.44_10
> with Redhat 8.0.
interessting! Never saw this behaviour here! I Often use two or three
scanners on different usb-ports and additional my USB mouse. Might
be a problem of your kernel or usb subsystem...
> Also I ran into a seg fault as soon as preview would complete. It
> happened everytime I tried to scan. Heres the info and my quick fix (it
> might be the cause of my problem).
>
> GDB info:
> Program received signal SIGSEGV, Segmentation fault.
> 0x4073b881 in usb_LampTimerIrq (sig=14) at plustek-usbhw.c:1093
> 1093 if( -1 == dev_xxx->fd ) {
>
> I just added this to the at the beginning of usb_LampTimerIrq (not sure
> if its the right thing to do but it worked):
>
> if(dev_xxx == NULL)
> return;
Good work, Gene Heskett reported that bug, which never shows up here.
You're right on that, I should check this pointer before using it...
At least this construction works only if I use the backend with one scanner -
but that's another story.
>
> Thanks in advance.
Thank you!
Gerhard
