> There is a discussion of solaris threads socket read/write locking issues and
> some workarounds at: http://omniorb.sourceforge.net/omni40/omnithread.html
>
> See "6 Threaded I/O shutdown for Unix"
>
> Cheers
> Brett
>
> On 08/01/2011, at 9:55 AM, Howard Chu <[email protected]> wrote:
>
>> Doug Leavitt wrote:
>>>
>>> On 01/ 7/11 08:01 AM, Rein Tollevik wrote:
>>>> On 06.01.11 22.48, Quanah Gibson-Mount wrote:
>>>>> --On Thursday, January 06, 2011 7:40 PM +0100 Rein Tollevik
>>>>> <[email protected]> wrote:
>>>>>
>>>>>> On 04.01.11 23.34, Quanah Gibson-Mount wrote:
>>>>>>> Please test RE24 heavily.
>>>>>>
>>>>>> test039 deadlocks for me on 64bit solaris10, both x86 and sparc :-( It
>>>>>> hangs in the monitor, triggered by the new swamp -SS option added to
>>>>>> slapd-tester. It works if run with -S or -SSS. It is the third server
>>>>>> that hangs, and it does so quite consistently with the same stack trace
>>>>>> every time. A gdb trace is at at:
>>>>>>
>>>>>> ftp://ftp.openldap.org/incoming/rein-test039-gdb-trace.txt
>>>>>
>>>>> Does this happen on both HEAD and RE24, or RE24 only?
>>>>
>>>> Both, as well as when running the head tests suite with the 2.4.23
>>>> release. Looks as if the swamp additions have tripped into an
>>>> existing problem, not anything new. Leave it out of RE24 until if
>>>> have been resolved?
>>>>
>>>> Btw, any other Solaris test runs out there? I´t like to know if it is
>>>> a real Solaris problem or just me..
>>
>> I'm seeing a similar failure on 32 bit Sparc Solaris 10. But it actually
>> locks up in test036 for me, I never get as far as test039. The gdb trace
>> looks much the same as what you posted.
>>
>> Looks like for some reason threads that are blocked waiting for their
>> sockets to become writable are never getting waken up. A regular SIGINT
>> shuts down slapd cleanly so it doesn't appear to be a problem with the
>> condvars being used to manage the threads. That kinda points to select()
>> simply not returning the writable status.
>>
>> I haven't used this Solaris machine much, but in fact (looking at the
>> remnants of other files in my source tree on this box) this appears to have
>> been a problem since at least last August. (I.e., it looks like I was
>> investigating this same problem back then but dropped it and never got back
>> to it.)
>>
>>>> Rein
>>
>>> I'm currently testing Solaris11 (Nevada) and not seeing any issues in
>>> either 32 or 64
>>> bit builds using both RE24 and HEAD. I have not had any failures on
>>> x86 yet.
>>> Testing is still underway for sparc and other internal system testing on
>>> both platforms.
>>
>> --
>> -- Howard Chu
>> CTO, Symas Corp. http://www.symas.com
>> Director, Highland Sun http://highlandsun.com/hyc/
>> Chief Architect, OpenLDAP http://www.openldap.org/project/
