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From Jeff Trawick <traw...@gmail.com>
Subject Re: [users@httpd] Hangs on network hickup
Date Wed, 02 Jun 2010 14:32:32 GMT
On Wed, Jun 2, 2010 at 10:17 AM, Jeff Trawick <trawick@gmail.com> wrote:
> 2010/6/2 Igor Galić <i.galic@brainsware.org>:
>>
>> Hello happy people.
>>
>> I'm experiencing certain troubles with httpd (provided by WebStack 1.5) on Solaris
10
>
> Unless you have a support subscription for that product, build the
> latest httpd and php yourself from source.  (Yeah, you'll probably
> need to build some add'l support libraries too, but OTOH it is just a
> matter of time until you get tired of 2.2.11 and 5.2.9-ish.  (There's
> also sunfreeware.com to consider, but I haven't checked available
> versions lately.)
>
>> After a network hickup (I suspect) httpd refuses to answer.
>> The Process lingers in a state of waiting for the network interface, see the truss
below.
>> It doesn't recover from this state until after restart.
>
> I don't see the truss in your e-mail.  I wouldn't be at all surprised
> if it has a certain familiar pattern, and I could then send you a
> library to LD_PRELOAD to work around the problem, but that would just
> put off the real solution, which is for you to be in a position to
> pick up fixes to httpd, apr, etc.

Okay, I'm blind, and stupid to boot for not double checking in a more
definitive manner

>root@atvt1uajas001:~# truss -f -p 26794
>26794:  fcntl(54, F_SETLKW64, 0xFF1E17C0) (sleeping...)

This is consistent with, but not sufficient to be certain of, the
problem I alluded to.  You'd need to look at the truss of child
processes not blocked in this call to be reasonably certain.

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