Messages in this thread | | | Date | Fri, 06 May 2011 10:49:45 +0200 | From | Thomas Sattler <> | Subject | Re: iotop: khugepaged at 99.99% (2.6.38.X) |
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> You can already run "grep threshold /proc/zoneinfo" on the system > where you reproduced the hang the last time (the one running 2.6.38.4) > the one with 1.5G of ram. They all should be well below 512 (so in > theory not causing troubles because of the per-cpu stats, and with so > few cpus it shouldn't have been such a longstanding problem anyway).
'grep threshold /proc/zoneinfo' returns nothing on this machine after a reboot and before a crash. Did I tell it's a single core machine?
> If you didn't reboot that system after the last hang
I'm sorry, I already rebooted the machine.
> grep nr_isolated_anon /proc/zoneinfo > nr_isolated_anon 0 > nr_isolated_anon 0 > nr_isolated_anon 0
Same here, on both machines. Both between reboot and crash.
> This patch may help you to reproduce much quicker,
I applied the patch. I plan to boot this kernel within the next hour.
> - sync_migration = !(gfp_mask & __GFP_NO_KSWAPD); > + sync_migration = true;
This was already done in my 2.6.38.2?
Thomas
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