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Date: Tue, 7 May 2013 18:18:47 +0300
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Subject: Re: openjdk6 broken on current
From: Alexander Yerenkow <yerenkow@gmail.com>
To: Larry Rosenman <ler@lerctr.org>, java@freebsd.org, 
 "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>
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Can anyone look into latest changes in swapcontext?
http://svnweb.freebsd.org/base/head/lib/libthr/thread/thr_sig.c?sortby=date&view=log

Seems some of it broke openjdk6 (more in java@ list archive).
Thanks.



2013/5/7 Larry Rosenman <ler@lerctr.org>

> On 2013-05-07 02:10, Alexander Yerenkow wrote:
>
>> Then seems that's it - swapcontext change probably culprit.
>> I got rechecked generated classes at other pc - classes are fine,
>> same command with classes from 10-current not segfaulting in a bit
>> older 10-current.
>> Thank you Larry for access, I'm done there :)
>>
>>
> Any idea(s) on how to fix it?
>
>
>
>  2013/5/7 Larry Rosenman <ler@lerctr.org>
>>
>>  Alexander Yerenkow <yerenkow@gmail.com> wrote:
>>>
>>>  2013/5/7 Larry Rosenman <ler@lerctr.org>
>>>>
>>>>  I have 64G ram.....
>>>>>
>>>>> and I have workdir saved.....
>>>>>
>>>>> who wants an SSH account to look at and fix it?
>>>>>
>>>>
>>>> Okay, while we are here, here is backtrace from executing java while
>>>> building port openjdk6:
>>>>
>>>> #0 0x0000000801e2da93 in JVM_handle_bsd_signal () from
>>>> /usr/ports/java/openjdk6/work/**build/bsd-amd64/lib/amd64/**
>>>> server/libjvm.so
>>>> #1 0x0000000800a49116 in swapcontext () from /lib/libthr.so.3
>>>> #2 0x0000000800a48d39 in sigaction () from /lib/libthr.so.3
>>>> #3 0x00007ffffffff1d3 in ?? ()
>>>> #4 0x0000000800a48c20 in sigaction () from /lib/libthr.so.3
>>>> #5 0x0000000801ba9540 in Deoptimization::unpack_frames () from
>>>> /usr/ports/java/openjdk6/work/**build/bsd-amd64/lib/amd64/**
>>>> server/libjvm.so
>>>> #6 0x0000000803869f7e in ?? ()
>>>> #7 0x00007fffffbfa080 in ?? ()
>>>> #8 0x000000080383b828 in ?? ()
>>>> #9 0x000000080685e6e0 in ?? ()
>>>> #10 0x000000080684f000 in ?? ()
>>>> #11 0x00007fffffbfa0d0 in ?? ()
>>>> #12 0x00007fffffbfa148 in ?? ()
>>>> #13 0x000000080308f000 in ?? ()
>>>> #14 0x0000000806bab450 in ?? ()
>>>> #15 0x0000000803869eb9 in ?? ()
>>>> #16 0x0000000000000000 in ?? ()
>>>>
>>>> Is there any known significant changes about libthr (or any other )
>>>> before  r250047 ?
>>>>
>>>
>>> There were some commits around swapcontext recently........
>>> --
>>> Sent from Kaiten Mail. Please excuse my brevity.
>>>
>>
>> --
>> Regards,
>> Alexander Yerenkow
>>
>
> --
> Larry Rosenman                     http://www.lerctr.org/~ler
> Phone: +1 214-642-9640 (c)     E-Mail: ler@lerctr.org
> US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
>



-- 
Regards,
Alexander Yerenkow