On Friday 28 January 2011 01:08:48 pm Graeme Gregory wrote: > On 28/01/2011 07:25, Caglar Akyuz wrote: > > Hi all, > > > > I'm compiling Angstrom 2010.x against commit: > > > > commit d10ef750c59ee954c11a8edd0e278f99dbf2816a > > Author: Khem Raj <[email protected]> > > Date: Mon Jan 24 01:06:08 2011 -0800 > > > > Machine is custom one based on davinci-dm6446, ARM core is 926ej-s. C > > library and compilers are the Angstrom default(eglibc, gcc 4.5.3). Kernel > > version is 2.6.37-rc7. > > > > When I booted into my filesystem, I do the following: > > > > $cp /dev/zero /dev/fb0 > > $fbset > > > > And fbset gives the following error: > > > > fbset: FBIOGET_VSCREENINFO: Inappropriate ioctl for device > > > > Framebuffer is not working as expected as well. Same error is occuring > > when I try to run Qt4 applications. > > > > I tackled this issue a bit and I see that ioctl parameters are not passed > > correctly to the kernel. It seems like this is not a driver issue. IMHO, > > there is a corruption somewhere. I searched bugzilla and found nothing > > but [1]. The same kernel works as normal when compiled against Angstrom > > stable(with the corresponding filesystem) > > > > Best Regards, > > Caglar > > > > [1] http://bugs.openembedded.org/show_bug.cgi?id=5491 > > Try compiling the fbset utility (or busybox if your using that one) > without -Os seen some reports that gcc 4.5 + -Os is making bad code in a > lot of places. >
I see the same results with other software compiled with -O0. Something is breaking my kernel/userspace not just the applications :) Regards, Caglar > Graeme > > > > _______________________________________________ > Angstrom-distro-devel mailing list > [email protected] > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-devel > _______________________________________________ Angstrom-distro-devel mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-devel
