Re: No hrSWRunPath in HOST-RESOURCES-MIB

On 26/03/09 9:47 , "Dave Shield" <[email protected]> wrote:
> 2009/3/26 Kamil Kisiel <[email protected]>:
>>>    What is the result of
>>>                snmpwalk ... hrSWRunPath
>>> ?
>> The output is just:
>> HOST-RESOURCES-MIB::hrSWRunPath.1 = STRING: "init [5]"
> 
> Boggle!
> But presumably you get a full list of processes for the other
> MIB objects in this table?
> 
> A couple of things to try:
>    select some long-running process, and make a note of the
> process ID.

For cron, pid 4049:
> 
>    What is the result of    "snmpget .... hrSWRunPath.{pid}"  ?
HOST-RESOURCES-MIB::hrSWRunPath.4049 = STRING: "/usr/sbin/cron"

>    What is the result of    "cat  /proc/{pid}/cmdline"  ?
/usr/sbin/cron

>    What is the result of    "head /proc/{pid}/status"  ?
Name:    cron
State:    S (sleeping)
Tgid:    4049
Pid:    4049
PPid:    1
TracerPid:    0
Uid:    0    0    0    0
Gid:    0    0    0    0
FDSize:    64
Groups:    

So that seems to work fine. snmpwalk on the same OID works as well.

I tried another experiment with pid 2, kthreadd:

On my Gentoo machines:
snmpwalk ... hrSWRunPath.2
HOST-RESOURCES-MIB::hrSWRunPath.2 = STRING: "kthreadd"

On the openSUSE machines which are not working:
HOST-RESOURCES-MIB::hrSWRunPath.2 = No Such Instance currently exists at
this OID

I verified that kthreadd is running as pid 2 on both machines

Running cat /proc/2/cmdline prints nothing on either.

- Kamil



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