Can x input driver read from fifo?

[Peter Hutterer]

On Mon, Apr 23, 2012 at 09:52:59AM +0800, c-aries wrote:
> Thanks.
> 
> I find the solution.
> Recompiling the Xorg with option ./configure --prefix=/usr
> --sysconfdir=/etc --libexecdir=/usr/lib --localstatedir=/var
> --infodir=/usr/share/info --mandir=/usr/share/man
> --with-fontdir=/usr/share/fonts/X11/ --enable-xselinux， then copy
> hw/xfree86/Xorg to /usr/bin/Xorg. Hack the source code and trace the
> problem.
> The bug is FreeFeedbackClass(PtrFeedbackClass,
> (pointer)&classes->ptrfeed) in FreeAllDeviceClasses free the same
> address twice.

is this on the git master branch? please file a bug for this with a way to
reproduce it and the backtraces so we can fix it.

Cheers,
  Peter

> Then I allocate a new PtrFeedbackClassRec, assign to  PtrFeedbackPtr
> in my xinput driver. Compare the evtouch source, and read the
> xorg-server source, I found this solution and work perfectly.
> I learn writing input driver from
> http://www.x.org/wiki/Development/Documentation/XorgInputHOWTO, it
> also have the shut down problem. After I apply this patch, Window
> Manager can be shut down normally now.
> 
> 2012/4/20, Michal Suchanek <hramrach at gmail.com>:
> > On 19 April 2012 04:50, c-aries <babyaries2 at gmail.com> wrote:
> >> Hi all. I write a x input driver. When the driver read from normal
> >> device it works nice. After I change it to read from fifo, the driver
> >> works nice also before I turn off the Window Manager. After Xorg
> >> process exit, devices are all disabled, the screen won't change to
> >> tty, keyboard don't work also.
> >> I use another computer to ssh and gdb. Find that the Xorg exit
> >> normally, and the linux kernel still work.
> >
> > Hello,
> >
> > I guess this is caused by X server not restoring the terminal to
> > working state after it exits.
> >
> > Try to use the sysrq to unraw terminal and switch to another vt.
> >
> > Alternatively to run a X server in standard configuration remotely.
> >
> > HTH
> >
> > Michal
> >
> 
> 
> -- 
> Free software is a matter of the users' freedom to run, copy, distribute,
> study, change and improve the software.
> = = I'm a GNU C Programmer, Happy Hacking!
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