Re: [linux-audio-user] Help tracking down xruns

> Try the realtime-preempt kernel. It should work on AMD64 these days.

Nope. I tried 2.6.11 patched with 2.6.12-rc2 and
realtime-preempt-2.6.12-rc2-RT-V0.7.45-01 with full preemption, the lowest
preemption setting, and with the desktop setting but nothing worked.

Any ideas?
Thanks!
-thewade

Error output--------

CONFIG_PREEMPT_RT=y
  CC init/main.o
In file included from include/linux/rwsem.h:38,
                 from include/linux/kobject.h:24,
                 from include/linux/module.h:19,
                 from init/main.c:16:
include/asm/rwsem.h:55: error: redefinition of `struct rw_semaphore'
In file included from include/linux/rwsem.h:38,
                 from include/linux/kobject.h:24,
                 from include/linux/module.h:19,
                 from init/main.c:16:
include/asm/rwsem.h:79:1: warning: "__RWSEM_INITIALIZER" redefined
In file included from include/linux/spinlock.h:16,
                 from include/linux/capability.h:45,
                 from include/linux/sched.h:7,
                 from include/linux/module.h:10,
                 from init/main.c:16:
include/linux/rt_lock.h:295:1: warning: this is the location of the previous definition
In file included from include/linux/rwsem.h:38,
                 from include/linux/kobject.h:24,
                 from include/linux/module.h:19,
                 from init/main.c:16:
include/asm/rwsem.h:83:1: warning: "DECLARE_RWSEM" redefined
In file included from include/linux/spinlock.h:16,
                 from include/linux/capability.h:45,
                 from include/linux/sched.h:7,
                 from include/linux/module.h:10,
                 from init/main.c:16:
include/linux/rt_lock.h:298:1: warning: this is the location of the previous definition
include/asm/rwsem.h:86: error: syntax error before "do"
In file included from include/linux/kobject.h:24,
                 from include/linux/module.h:19,
                 from init/main.c:16:
include/linux/rwsem.h: In function `compat_down_read':
include/linux/rwsem.h:56: warning: passing arg 1 of `__down_read' from incompatible pointer type
include/linux/rwsem.h: In function `compat_down_read_trylock':
include/linux/rwsem.h:67: warning: passing arg 1 of `__down_read_trylock' from incompatible pointer type
include/linux/rwsem.h: In function `compat_down_write':
include/linux/rwsem.h:79: warning: passing arg 1 of `__down_write' from incompatible pointer type
include/linux/rwsem.h: In function `compat_down_write_trylock':
include/linux/rwsem.h:90: warning: passing arg 1 of `__down_write_trylock' from incompatible pointer type
include/linux/rwsem.h: In function `compat_up_read':
include/linux/rwsem.h:101: warning: passing arg 1 of `__up_read' from incompatible pointer type
include/linux/rwsem.h: In function `compat_up_write':
include/linux/rwsem.h:111: warning: passing arg 1 of `__up_write' from incompatible pointer type
include/linux/rwsem.h: In function `compat_downgrade_write':
include/linux/rwsem.h:121: warning: passing arg 1 of `__downgrade_write' from incompatible pointer type
In file included from include/linux/proc_fs.h:6,
                 from init/main.c:17:
include/linux/fs.h: In function `lock_super':
include/linux/fs.h:828: warning: implicit declaration of function `compat_down'
include/linux/fs.h: In function `unlock_super':
include/linux/fs.h:833: warning: implicit declaration of function `compat_up'
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2

CONFIG_PREEMPT_DESKTOP=y
  CC arch/x86_64/kernel/init_task.o
arch/x86_64/kernel/init_task.c:17: warning: implicit declaration of function `__RWSEM_INITIALIZER'
arch/x86_64/kernel/init_task.c:17: warning: missing braces around initializer
arch/x86_64/kernel/init_task.c:17: warning: (near initialization for `init_mm.mmap_sem')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.mmap_sem.activity')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.mmap_sem')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.page_table_lock')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.mmlist')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.cpu_vm_mask')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.users')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.wait.lock')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.wait.task_list')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.wait')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.ctx_lock')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx')
make[1]: *** [arch/x86_64/kernel/init_task.o] Error 1
make: *** [arch/x86_64/kernel] Error 2

CONFIG_PREEMPT_VOLUNTARY=y
  CC arch/x86_64/kernel/init_task.o
arch/x86_64/kernel/init_task.c:17: warning: implicit declaration of function `__RWSEM_INITIALIZER'
arch/x86_64/kernel/init_task.c:17: warning: missing braces around initializer
arch/x86_64/kernel/init_task.c:17: warning: (near initialization for `init_mm.mmap_sem')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.mmap_sem.activity')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.mmap_sem')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.page_table_lock')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.mmlist')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.cpu_vm_mask')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.users')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.wait.lock')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.wait.task_list')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.wait')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx.ctx_lock')
arch/x86_64/kernel/init_task.c:17: error: initializer element is not constant
arch/x86_64/kernel/init_task.c:17: error: (near initialization for `init_mm.default_kioctx')
make[1]: *** [arch/x86_64/kernel/init_task.o] Error 1
make: *** [arch/x86_64/kernel] Error 2
Received on Sat Apr 16 16:15:09 2005