On Aug 28, 2007, at 4:40 AM, Visser, Udo RD-IS-E23 wrote: > > Hello world, ;-) > > when stepping through my own software, which is using floating > point variables, gdb showed weird results (mostly NAN´s) for these > variables. Running the software without gdb did not show any > problems. The software is compiled with floating point instructions > and the results (without gdb) are OK. > > My setup: > > MPC8349 target, "home grown", much like the MPC8349EMDS, running > 2.6.16 (ppc) > GDB, gdbserver 6.3 connected via ethernet with my Linux Host. > > > What I did to get rid of the described problem: > > In module: arch/powerpc/kernel/process.c > In function: void flush_fp_to_thread(struct tast_struct *tsk) > > I changed the line: giveup_fpu(current); > to: giveup_fpu(tsk); > > > Now my questions: Has anybody else had such problems? > Have I found a bug, or will I encounter any yet > unknown problems in the near future? > > I would appreciate any comment on my changes, especially from the > maintainers.
I have a patch to fix just this issue. take a look at: http://patchwork.ozlabs.org/linuxppc/patch?id=13219 - k _______________________________________________ Linuxppc-embedded mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-embedded
