On Sat, Oct 25, 2003 at 09:44:35AM -0700, Teresa Tao wrote:
> Hi there,
> I am working on an real time video playback applicaion on a mips cpu. But
> after my video application play a while like 5 to 10 minutes, a bus error
> We add some debug meesage in the kernel, so we know that after the do_ade
> function inside the unalign.c, the bus error happens for the opcode lw or sw.
> So my guess is that I have an unaligned memory pointer(not in 4 byte
> But my puzzle is that if I have an unaligned memory pointer, it should happen
> at the first loop I playback, how come it happens after it plays several
There are many reasons for having bus error, cache, errant pointers,
unstable hardware, or some tricky kernel bugs which happens when
certain conditions happen together.
> Is there a possibility that my application's stack being trashed after a
> while? but I don't have recursive calls inside my application.
Everything is possible. :)