Messages in this thread | | | Date | Mon, 14 Feb 2011 22:07:42 +0100 | From | Jesper Krogh <> | Subject | Re: sync hangs - 2.6.35.10 |
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On 2011-02-01 13:14, Jan Kara wrote: > Definitely. There have been several patches fixing livelock issues > in this area under various conditions. Considering your use case, you > might be hit by problems being fixed by commits: > 6585027a5e8cb490e3a761b2f3f3c3acf722aff2 > aa373cf550994623efb5d49a4d8775bafd10bbc1 > b9543dac5bbc4aef0a598965b6b34f6259ab9a9b > (went into 2.6.38-rc1) I couldn't get above to apply on a 2.6.35.10 kernel, but applied to a 2.6.37 the problem seems solved. Have they been queued up for stable? > possibly also older > 7624ee72aa09334af072853457a5d46d9901c3f8 > (in 2.6.36-rc1) This one alone applied to 2.6.35 didn't solve it.
jk@clyde:~$ time sync
real 19m2.650s user 0m0.000s sys 0m0.030s
Without notable disk-activity while waiting. (<5MB/s measured using dstat) This sample was "decent" I've seen sync times over 2 horus on this system with 128GB of memory.. again without any notable disk-activity while waiting.
Thanks for your prompt response.
-- Jesper
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