DTrace unable to dump typedef'ed argument

[ambrosehuang ambrose]

it has been fixed by

kern/159064: [dtrace] MFC request for dtrace to fix "invalid probe
specifier"


2011/8/14 ambrosehuang ambrose <ambrosehua at gmail.com>

> same problem on 8.2-stable
>
>
> 2011/8/10 Shrikanth Kamath <shrikanth07 at gmail.com>
>
>> I found this on a FreeBSD 8.1 box...
>>
>> %dtrace -l -f rtalloc_fib -v
>>
>> ...
>> Argument Types
>>              args[0]: struct route *
>>              args[1]: (unknown)
>>
>> The function defined in sys/net/route.c: void rtalloc_fib(struct route
>> *ro, u_int fibnum)
>> u_int is typedef unsigned int
>>
>> I checked the ctfdump for /boot/kernel/kernel and found u_int is a
>> resolved type.
>>
>> [14077] FUNC (rtalloc_fib) returns: 29 args: (1335, 5)
>>
>> Checking the CTF table "5" is found to be a resolved typedef.
>>
>> <4> INTEGER unsigned int encoding=0x0 offset=0 bits=32
>> <5> TYPEDEF u_int refers to 4
>>
>> But since it shows unknown with dtrace -l -f o/p, one cannot directly
>> use args[1].
>>
>> Is this a known problem, any fix or workaround?
>>
>>
>> --
>> Shrikanth R K
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>
>