Messages in this thread | | | Date | Thu, 2 Sep 2010 01:26:41 +0100 | From | Hedi Berriche <> | Subject | Re: Serious problem with ticket spinlocks on ia64 |
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On Thu, Sep 02, 2010 at 00:10 Tony Luck wrote: | More results from other experiments ... | | 1) It occurred to me that I should check that these test cases weren't | hitting some other problem in 2.6.36-rc3. So I ported the 64-bit | version of ticket locks to the current kernel and ran the stress test. | It was still going strong at 16 hours (where all my other experiments | tend to fail at 90 minutes or less).
This is consistent with the bisection that led me to the 4 bytes ticket locks commit.
| Summary: the only change that helps is the 64-bit ticket locks.
Ditto.
Cheers, Hedi. -- Hedi Berriche Global Product Support http://www.sgi.com/support
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