Date: Sat, 24 Sep 2005 12:35:01 -0400 From: Dan Ponte <dcp1990@neptune.atopia.net> To: freebsd-stable@freebsd.org Subject: Re: lpt0 always busy Message-ID: <20050924163501.GA53285@neptune.atopia.net> In-Reply-To: <20050924180909.78a29487.stanley.jobson@gmx.ch> References: <20050924180909.78a29487.stanley.jobson@gmx.ch>
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On Sat, Sep 24, 2005 at 06:09:09PM +0200, stanley jobson <stanley.jobson@gmx.ch> was witnessed plotting the following conspiracy: > hi, > i am now trying for weeks to get my lpt0 working without any success :( > > i always get "device busy" (running lptcontrol, lptest, > open(/dev/lpt0)). i found a lot of questions about this via google and > some hints too (e.g. excluding device ppi from kernel) but all this > didnt help :( > > i should mention that my printer connected to lpt0 is a funny gdi > printer which only works under win98. so my idea was to use qemu to run > a emulated win98 to get my printer working - but therefore qemu needs to > be able to open /dev/lpt0 ... > > finally i wrote a simple c prog which just calls open(/dev/lpt0) but it > also always fails with device busy :( > > what are the requirements to successfully open lpt0 port (apart from > having connected a printer to it) ? > > does fbsd expects a response from the printer (e.g. ready status)? maybe > my printer is not able to do this ... if so: what are possible > workarounds? could i convice the kernel that lpt0 is ready? > > thx > regards, > stan > > ps: i am running fbsd 5.4 > Usually, if you get "device busy," it means that the printer is simply not on or connected properly. Check your parallel cable. -Dan -- Dan Ponte http://www.theamigan.net/ A great many people think they are thinking when they are merely rearranging their prejudices. -- William James
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