>>>>> On Mon, 28 Feb 2005 09:32:20 +0900, GOTO Masanori <[EMAIL PROTECTED]>
>>>>> said:
GOTO> David, does this problem only occurs on ia64? Or i686? To be honest,
GOTO> I have concerned this kind of problem - the incompatibility between
GOTO> nptl and linuxthreads.
As indicated in my bugzilla report, it affects all platforms which
defined TLS_DTV_AT_TP. Apart from ia64, that include Alpha, PowerPC,
and SH. x86 is not affected since it's thread pointer points to the
thread descriptor itself.
>> # mv /lib/tls/ld-2.3.2.so /lib/
>> should cure the problem.
GOTO> I'm hard to decide to introduce this kind of workaround into the
GOTO> package. We have two choices - (1) increasing the size of
GOTO> linuxthreads' thread descriptors (2) we don't load nptl library using
GOTO> /lib/ld.so. Taking choice (1) is nice idea - because (2) needs
GOTO> another consideration about the kernel version capability. Some
GOTO> distributions (ex: SuSE/FC) provides the fixed kernel version - OTOH,
GOTO> debian has two kernel version series - 2.4 (linuxthreads) and 2.6
GOTO> (nptl). If we can fix this problem with (1), we don't need to be care
GOTO> about (2) modifications.
If you go with (1), I'd include a sanity check in the build-procedure
to ensure that you notice if the thread-descriptor-size diverges
between LinuxThreads and NPTL unexpectedly.
I don't have a preference on how this problem gets fixed (as long as
it does get fixed before Sarge is out...).
--david
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