On Wed, Nov 30, 2011 at 3:12 PM, Dmitry Panov <dmitry.pa...@yahoo.co.uk> wrote: > On 30/11/2011 14:00, richard -rw- weinberger wrote: >> >> On Tue, Nov 29, 2011 at 6:39 PM, Dmitry Panov<dmitry.pa...@yahoo.co.uk> >> wrote: >>> >>> Hi guys, >>> >>> I'm having an issue with swapoff which gets killed by OOM. I was able to >>> reproduce it with UML guests running different kernel versions, starting >>> from 2.6.26 to 3.1.3. The only difference is with latest kernels >>> sometimes >>> it crashes instead of being killed. I haven't seen it on 'native' kernels >>> so >>> I guess it's UML specific. > > >>> >>> Can anybody reproduce this? >>> >> Yes (sort of). >> OOM does not happen but swapoff() seems to run forever. >> It's looks like the kernel is unable to unuse swapped pages. >> > With later kernels I had the same effect, swapoff running forever. Earlier > versions get it killed by OOM which is actually better as it at least allows > the machine to shutdown. > > Any ideas what could be the problem? >
I have to talk to some mm hackers. I'm not sure how this issue is related to UML. Maybe UML triggers a mm-bug. Or (most likely) mm triggers a bug in UML. -- Thanks, //richard ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
