l4x_hybrid_return for ovlscreen driver
adam at os.inf.tu-dresden.de
Sun Nov 18 13:22:47 CET 2007
On Thu Nov 15, 2007 at 09:54:25 +0100, Marc CHALAND wrote:
> Some news about my problem.
> Fiasco catches an exception (it seems to be a page fault) into
> Thread::do_ipc function (do_ipc + 0xbd). As there are many inline
> functions, I decided to remove INLINE option to fiasco kernel. And...
> no more exception :/.
> Now ovlscreen driver works perfectly.
> It seems that there is a bug, but I don't know if it is due to PIC (I
> tried to come back to gcc 3.4.4 without success) code or to a fiasco
> bug for long IPC ? Any idea ?
> If you want more info, I can give you or I can do some experiment.
You did use gcc-4.1.1-something, right? Could you use some recent
gcc-4.2 and retest? That would be interesting.
Adam adam at os.inf.tu-dresden.de
More information about the l4-hackers