TI中文支持网我的开发环境是：dm8164 ，dvrrdk 4.0。最近出现了下面的错误，但是并没有影响整体功能。请问这是什么问题造成的？
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WARNING: at kernel/irq/manage.c:904 __free_irq+0x88/0x14c()
Trying to free already-free IRQ 38
Modules linked in: ti81xxhdmi ti81xxfb vpss osa_kermod syslink
Backtrace:[<c0048fa0>] (dump_backtrace+0x0/0x110) from [<c03d0f20>] (dump_stack+0x18/0x1c)
r6:c04b19ae r5:00000388 r4:c4e0fe28 r3:60000093
[<c03d0f08>] (dump_stack+0x0/0x1c) from [<c006d160>] (warn_slowpath_common+0x54/0x6c)
[<c006d10c>] (warn_slowpath_common+0x0/0x6c) from [<c006d21c>] (warn_slowpath_fmt+0x38/0x40)
r8:00000000 r7:00000026 r6:a0000013 r5:c05412e4 r4:00000000
r3:00000009
[<c006d1e4>] (warn_slowpath_fmt+0x0/0x40) from [<c009b464>] (__free_irq+0x88/0x14c)
r3:00000026 r2:c04b1a35
[<c009b3dc>] (__free_irq+0x0/0x14c) from [<c009b568>] (free_irq+0x40/0x60)
r8:00000000 r7:0000001b r6:00000000 r5:00000026 r4:c05412e4
r3:00000000
[<c009b528>] (free_irq+0x0/0x60) from [<c006125c>] (hdmi_unregister_interrupt_cb+0xa8/0xc8)
r6:bf1359dc r5:c056fff0 r4:bf132728 r3:c056fff0
[<c00611b4>] (hdmi_unregister_interrupt_cb+0x0/0xc8) from [<bf132d94>] (hdmi_disable_display+0x28/0x50 [ti81xxhdmi])
r6:00000000 r5:bf135910 r4:bf1358dc r3:00000000
[<bf132d6c>] (hdmi_disable_display+0x0/0x50 [ti81xxhdmi]) from [<bf132ef8>] (hdmi_ioctl+0x104/0x5f8 [ti81xxhdmi])
r5:bf1358dc r4:00000000
[<bf132df4>] (hdmi_ioctl+0x0/0x5f8 [ti81xxhdmi]) from [<c00d3068>] (do_vfs_ioctl+0x4d0/0x544)
r6:00000000 r5:0000001b r4:c4d46e00
[<c00d2b98>] (do_vfs_ioctl+0x0/0x544) from [<c00d3134>] (sys_ioctl+0x58/0x7c)
r9:c4e0e000 r8:00000000 r7:0000001b r6:00004e01 r5:00000000
r4:c4d46e00
[<c00d30dc>] (sys_ioctl+0x0/0x7c) from [<c00453c0>] (ret_fast_syscall+0x0/0x30)
r8:c0045568 r7:00000036 r6:4d3e5684 r5:001351e8 r4:00134da8
—[ end trace ab935254c706975d ]—
请大家帮忙分析一下，非常的感谢！！
Ternence_Hsu：
你好；
请问这个是怎么出现的 ？
运行到什么位置出现的呢 ？
