On Tue, Dec 13, 2011 at 04:09:53PM +0100, Eric Bénard wrote: > Hi Sascha, > > Le 13/12/2011 10:48, Sascha Hauer a écrit : > >Sometimes it helps to enable > > > >CONFIG_KALLSYMS > >CONFIG_ARM_UNWIND > > > >to get a proper stack trace > > > Thanks for the hint I was not aware barebox also had these options. > > The culprit is show_progress : > [<87f1c340>] (show_progress+0x14/0xf0) from [<87f1e590>] (tftp_send+0x194/0x1e4) > [<87f1e590>] (tftp_send+0x194/0x1e4) from [<87f1e784>] (do_tftpb+0x1a4/0x2d0) > [<87f1e784>] (do_tftpb+0x1a4/0x2d0) from [<87f065e0>] (execute_command+0x30/0x60) > [<87f065e0>] (execute_command+0x30/0x60) from [<87f03d4c>] > (run_list_real+0x7b4/0x894) > [<87f03d4c>] (run_list_real+0x7b4/0x894) from [<87f03350>] > (parse_stream_outer+0x104/0x1e4) > [<87f03350>] (parse_stream_outer+0x104/0x1e4) from [<87f03ed8>] > (run_shell+0x3c/0x5c) > [<87f03ed8>] (run_shell+0x3c/0x5c) from [<87f07870>] (start_barebox+0xe0/0x11c) > [<87f07870>] (start_barebox+0xe0/0x11c) from [<800011d8>] (0x800011d8) > > And I get the problem with > arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2011.03-41) 4.5.2 > it works with : > arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2010q1-202) 4.4.1 > > So that seems to be a toolchain issue (adding some printf in > show_progress make the problem disappear ...). I really want to believe this, but I wouldn't be so sure. I think it's more likely that you found a bug in barebox that your new toolchain happens to trigger. Could you provide the objdump of show_progress along with a complete stack trace including register contents? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
