Hi list, when I'm compiling in FTRACE support I get the following output, when I load the first of a few modules: ----------------------------------------------------------------------------- [...] ***************************************************************************** * * * REMINDER, the following debugging options are turned on in your .config: * * * * CONFIG_IRQSOFF_TRACER * * CONFIG_FTRACE * * * * they may increase runtime overhead and latencies. * * * ***************************************************************************** [...] Freeing unused kernel memory: 132k init [...] of-gpio-wdt watchdog.1: gpio-watchdog driver started using gpio 211. ------------[ cut here ]------------ Badness at kernel/trace/ftrace.c:632 NIP: c00613a4 LR: c0061288 CTR: 00000000 REGS: c187bea0 TRAP: 0700 Not tainted (2.6.26.7-rt11-ptx-trunk) MSR: 00021032 <ME,IR,DR> CR: 42002042 XER: 20000000 TASK = c1879ad0[19] 'ftraced' THREAD: c187a000 GPR00: 00000001 c187bf50 c1879ad0 00000002 c02d0118 c02b05ac c0053a60 18aaf80f GPR08: c02d0000 c02d0000 4800015d c187bf50 0aeac2fc 1006d448 c02d0000 00000001 GPR16: 00000003 5b6cf500 c02e0000 c02d0000 c0260000 c0260000 00000001 c00128f0 GPR24: c02dd914 c02d0000 c02b05ac c18590f8 c02d0118 c185b0f8 c306e324 c187bf50 NIP [c00613a4] __ftrace_update_code+0x250/0x2d4 LR [c0061288] __ftrace_update_code+0x134/0x2d4 Call Trace: [c187bf50] [c0061288] __ftrace_update_code+0x134/0x2d4 (unreliable) [c187bfa0] [c006081c] ftrace_update_code+0x78/0xa4 [c187bfb0] [c00618f0] ftraced+0xa8/0x1bc [c187bfd0] [c003d840] kthread+0x58/0x98 [c187bff0] [c0011e14] kernel_thread+0x44/0x60 Instruction dump: 7fc4f378 3875c248 4bfc2769 7fc4f378 38748e08 4bff6081 92d3f1bc 4bfffe54 3d20c02d 80090400 7c000034 5400d97e <0f000000> 2f800000 409e0074 3c60c026 ftrace failed to modify [<c306e324>] of_gpio_wdt_probe+0x8/0x294 [of_gpio_wdt] expected: 48:fa:45:cd actual: 48:00:01:5d replace: 60:00:00:00 ----------------------------------------------------------------------------- What does it mean? Anything wrong with my environment or my modules? BTW: Kernel is 2.6.26-rt11. Regards, Juergen -- Dipl.-Ing. Juergen Beisert | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry Handelsregister: Amtsgericht Hildesheim, HRA 2686 Vertretung Sued/Muenchen, Germany Phone: +49-8766-939 228 | Fax: +49-5121-206917-9 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
