On Thu, Dec 15, 2011 at 12:28 AM, Corey Minyard <tcminy...@gmail.com> wrote:
> On 12/14/2011 06:26 AM, Zdenek Styblik wrote:
>> Hello,
>>
>> as you may have noticed, there was thread about ipmitool getting
>> stucked. I dug into this issue and found the problem.
>>
>> Line to blame is:
>> ~~~ 'src/plugins/open/open.c' ~~~
>> if (select(intf->fd+1,&rset, NULL, NULL, NULL)< 0) {
>> lperror(LOG_ERR, "I/O Error");
>> return NULL;
>> }
>> ~~~ 'src/plugins/open/open.c' ~~~
>>
>> Using select() here is good/wise. However select() is never going to
>> time-out, because time-out is set to NULL. I believe I can patch it in
>> the very same way, at least for time-out option, as LAN/LAN-PLUS is
>> patched by Harshad Prabhu. Yet, I'm wondering whether it is a good
>> idea to do so. Whether there is some reason why this, open driver -
>> KCS interface, should never ever time-out.
> That's fine, I suppose, but the driver is designed to always return a
> response, a timeout error if nothing comes back. So a timeout here is
> really unnecessary.
>
> -corey
>
Designed? Yes. Implemented? No. Unless I've missed something, KCS gets stuck
and never comes back, because of select() I've pasted.
Thanks,
Z.
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