RelayFS does not appear to be in this kernel -> Pass 4: compilation failed

[Tomasz Chmielewski]

Martin Hunt schrieb:
> On Sat, 2007-04-14 at 15:34 +0200, Tomasz Chmielewski wrote:
>> I'm trying to use SystemTap.
>>
>> I followed the instructions here:
>>
>> http://sourceware.org/systemtap/wiki/SystemTapWithSelfBuiltKernel
>>
>>
>> I built the kernel with these options:
>>
>> Kernel hacking  --->
>>      [*] Kernel debugging
>>          [*]   Compile the kernel with debug info
>> Instrumentation Support  --->
>>      [*] Kprobes (EXPERIMENTAL)
>>
>>
>> And also, with CONFIG_RELAY, despite the documentation says it's optional.
>>
>> General setup  --->
>>      [*] Kernel->user space relay support (formerly relayfs)
>>
> 
> I'll update the website. relayfs is no longer optional.
> 
>>From the error messages, it seems like you have a kernel with
> CONFIG_DEBUG_FS disabled. It should be included by default in new
> kernels. I'll add in a specific check for that.  Could you check if that
> is the problem.

Indeed I didn't have it enabled:

$ zgrep DEBUG_FS /proc/config.gz
# CONFIG_DEBUG_FS is not set


I'll recompile the kernel and try again.


-- 
Tomasz Chmielewski
http://wpkg.org