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SubjectRe: [linux-audio-user] is RT-Preempt functional on x86-64?
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On Mon, 2005-09-12 at 03:56 +0000, carmen wrote:
> > When was the last time you tried it? It should work on amd64 and PPC.
> > You might need to disable high res timers.
>
> ive tried a few times most recently patch-2.6.13-rt4 - its never worked..have messed around with timer resolutions and 'generic x86-64' vs 'amd64' settings as well. it reboots right after grub loads the kernel, so fast that you cant even read what it says (if anything).
>
> thats with 'Complete Preemption (Real-Time)' . the 'Preemptible Kernel (Low-Latency Desktop)' option fails to compile:
>
> In file included from arch/x86_64/kernel/mce.c:17:
> include/linux/fs.h: In function `lock_super':
> include/linux/fs.h:855: warning: implicit declaration of function `down'
> include/linux/fs.h: In function `unlock_super':
> include/linux/fs.h:861: warning: implicit declaration of function `up'
> arch/x86_64/kernel/mce.c: In function `mce_read':
> arch/x86_64/kernel/mce.c:387: warning: type defaults to `int' in declaration of `DECLARE_MUTEX'
> arch/x86_64/kernel/mce.c:387: warning: parameter names (without types) in function declaration
> arch/x86_64/kernel/mce.c:396: error: `mce_read_sem' undeclared (first use in this function)
> arch/x86_64/kernel/mce.c:396: error: (Each undeclared identifier is reported only once
> arch/x86_64/kernel/mce.c:396: error: for each function it appears in.)
> make[1]: *** [arch/x86_64/kernel/mce.o] Error 1
> make: *** [arch/x86_64/kernel] Error 2

Please provide your kernel .config.

Lee

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