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[ts-7000] Re: Qt/Embedded - almost there!

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Subject: [ts-7000] Re: Qt/Embedded - almost there!
From: "doogul" <>
Date: Thu, 20 Aug 2009 00:12:48 -0000
--- In  Scott Zimmerman <> wrote:

> Now when I run any of the ts_XXX apps I get "Illegal instruction" instead of
> the previous errors.  May have to try to hook up a debugger to figure that
> out.

The only thing I can think of off the top of my head is that your busybox is 
still OABI, but that shouldn't matter as far as I know. But I can tell you that 
while we were setting up a similar thing, we did recompile busybox using our 
EABI compiler and replaced the busybox binary in the initrd. Still, it probably 
shouldn't matter.

> As for the lib error, I verified that I copied the sys-root/libs over to my
> NFS mount.  So now I think I might have blown something when I built Qt.  I
> may have to try rebuilding that to be certain.

Hmm, interesting. Just a thought: in your sys-root directory in your cross 
toolchain, in the usr/bin directory there's a script called "ldd". Modify it so 
that the first line goes to /bin/sh, and then put it on your 7390 and do:

ldd YourProgram

That'll tell you what shared libraries your program is trying to use. I'd 
verify to make sure everything it's trying to load is stuff that you compiled.

> In any case, I'm going to keep at it.  When I do a mount from the fastboot
> prompt, it looks like everything it mounted rw.  So I'm not sure which ro
> volume Qt is going to have troubles with.

I think the problem we ran into there was that the rootfs in fastboot is a 4MB 
initrd with a limited number of inodes, and we'd filled it up. So we had to 
mount a separate ramdisk of some kind to hold the temporary files. YMMV. :)



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