This is a simple patch to catch the very rare but fatal conflict between Xenomai's TSC emulation and the PC speaker driver on 2.6/x86.
Jan
--- include/asm-i386/hal.h (Revision 1390)
+++ include/asm-i386/hal.h (Arbeitskopie)
@@ -169,6 +169,11 @@ static inline unsigned long long rthal_r
return t;
}
#else /* !CONFIG_X86_TSC */
+#if defined(CONFIG_INPUT_PCSPKR) || defined(CONFIG_INPUT_PCSPKR_MODULE)
+#error Please disable PC speaker driver (CONFIG_INPUT_PCSPKR).
+#error It conflicts with Xenomai's TSC emulation.
+#endif /* CONFIG_INPUT_PCSPKR */
+
#define RTHAL_8254_COUNT2LATCH 0xfffe
void rthal_setup_8254_tsc(void);
rthal_time_t rthal_get_8254_tsc(void);
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