On Tuesday 17 January 2006 2:26 pm, P. Christeas wrote: > > Does that apply to gcc-4.0.2 as well? It is mentioned in linux > documentation that -funit-at-a-time is safe as of gcc-4.x. Is there (I'm > not a MIPS expert) a way to verify whether gcc produces wrong instructions? > I've had a similar problem (I only try with gcc 4, because I compile linux > 2.6) and is reduced when I use -fno-unit-at-a-time. Still, I have > instability, which now appears less often. > I've tried the '-fno-unit-at-a-time' solution (for the whole kernel) and > the 'pop/push' at interrupt.h fix. > Just to let you know: In a very interesting twist, gcc4.0.2 produces a faulty kernel with the 2.4.31 kernel (as the latter is provided from the hardware's manufacturer). I'm validating gcc and binutils at the moment.