Re: futex_cmpxchg_enabled not set in futex_init on pentium3

From: Joseph Parmelee
Date: Tue Dec 01 2009 - 15:44:21 EST





On Mon, 30 Nov 2009, Thomas Gleixner wrote:

Could you also please do a quick check in which kernel version this
got introduced ?


I tested by reinstalling the old glibc-2.9, rebooting test kernels, and
rerunning offending mutex tests from the glibc-2.9 test suite. I needed to
reinstall the old glibc because the new glibc-2.11 wants kernels in the
2.6.31 series or later.

The problem first appears in 2.6.31 and persists through the current
2.6.31.6.

The problem does not appear in 2.6.29 and 2.6.30 versions.



Yours,

Joseph
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