libpthread.so.2 compatibility

[Daniel Eischen]

On Sun, 4 Jun 2006, John Hay wrote:

> On Sun, Jun 04, 2006 at 02:26:51PM -0400, Daniel Eischen wrote:
>> On Sun, 4 Jun 2006, John Hay wrote:
>>
>>> Actually one does not even need a big complex app to see the problem.
>>> Just copy /sbin/ggatec from 6.1 or 6.1-stable to a current box and you
>>> will see it happen:
>>>
>>> #######
>>> angel:~ > uname -a
>>> FreeBSD angel.cids.org.za 7.0-CURRENT FreeBSD 7.0-CURRENT #2: Sun May 28
>>> 11:06:16 SAST 2006
>>> jhay at angel.cids.org.za:/usr/src/sys/i386/compile/ANGEL  i386
>>> angel:~ > ssh zibbi "uname -a"
>>> FreeBSD zibbi.meraka.csir.co.za 6.1-STABLE FreeBSD 6.1-STABLE #4: Thu May
>>> 25 06:11:44 SAST 2006
>>> jhay at zibbi.meraka.csir.co.za:/usr/src/sys/i386/compile/ZIBBI  i386
>>> angel:~ > scp -p zibbi:/sbin/ggatec /tmp/
>>> ggatec                                        100%   16KB   8.1KB/s   00:02
>>> angel:~ > /tmp/ggatec
>>> Segmentation fault (core dumped)
>>> #######
>>
>> It is probably the networking ABI changes in libc.  There was a short period
>> of time when there were ABI changes in libc.so.6 in -current -- before libc
>> was bumped to libc.so.7.  What happens when you try moving a -stable
>> libc.so.6
>> to the -current machine?
>
> Ok, I did that but it still core dump in pthread_setcancelstate()

I don't know then.  If recompiling it fixes the problem, then
something in /usr/include changed.  All the pthread_foo_t types
are pointers to things allocated by the library, and I don't
think any of them changed anyways.

-- 
DE