Messages in this thread |  | | | Date | Thu, 15 Sep 2011 14:48:12 +0800 | | Subject | Re: iotop: khugepaged at 99.99% (2.6.38.3) | | From | Lin Ming <> |
| |
On Thu, Sep 15, 2011 at 2:43 PM, Lin Ming <mlin@ss.pku.edu.cn> wrote: > On Wed, Sep 14, 2011 at 8:57 PM, Slawomir Czarko-Wasiutycz > <slawomir.czarko@gmail.com> wrote: >> On Thursday, April 21, 2011 1:28:18 AM UTC+2, Thomas Sattler wrote: >>> Hi there ... >>> >>> While running firefox (>50 open Tabs), khugepaged jumped to 99.99% >>> (according to 'iotop'). I killed firefox and nearly all running >>> programs but khugepaged was still at 99.99% IO while the system >>> was almost idle. I waited about 10 minutes, no improvement, so >>> I rebooted the machine. >>> >> Hi, >> >> I have a similar problem. >> >> System becomes unresponsive for few seconds up to a minute or so. >> >> In my case the trigger seems to be compiling code in a Linux VM running in VMplayer. >> >> Problem seems to go away if I do: >> >> echo madvise > /sys/kernel/mm/transparent_hugepage/defrag >> >> Kernel used: kernel-PAE-2.6.40.4-5.fc15.i686 SMP CONFIG_PREEMPT=n > > (Add Thomas and Andrea) > > Hi, Thomas > > Do you still see this problem on latest kernel(2.6.31-rc6)? > I try to run firefox (>50 open Tabs), but can't reproduce this on > 2.6.31-rc6 kernel.
Sorry, I mean 3.1-rc6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |