From: Dwayne Grant Mcconnell Here is a simple patch that fixes the /signal2 file to actually give signal2 data. Signed-off-by: Dwayne Grant Mcconnell Signed-off-by: Arnd Bergmann Index: linux-2.6/arch/powerpc/platforms/cell/spufs/hw_ops.c =================================================================== --- linux-2.6.orig/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ linux-2.6/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -147,7 +147,7 @@ static void spu_hw_signal1_write(struct static u32 spu_hw_signal2_read(struct spu_context *ctx) { - return in_be32(&ctx->spu->problem->signal_notify1); + return in_be32(&ctx->spu->problem->signal_notify2); } static void spu_hw_signal2_write(struct spu_context *ctx, u32 data) --