Messages in this thread | | | Subject | Re: oom_killer crash linux system | From | "Figo.zhang" <> | Date | Wed, 20 Oct 2010 11:43:45 +0800 |
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> > active_anon:398375 inactive_anon:82967 isolated_anon:0 > > active_file:81 inactive_file:429 isolated_file:32 > > unevictable:13 dirty:2 writeback:14 unstable:0 > > free:11942 slab_reclaimable:2391 slab_unreclaimable:3303 > > mapped:5617 shmem:33909 pagetables:2280 bounce:0 > > active_anon + inactive_anon + isolated_anon = 481342 pages ~= 1.8GB > Um, this oom doesn't makes accounting lost. > > > here is the page-types log: > > flags page-count MB symbolic-flags long-symbolic-flags > > > > 0x0000000000005828 83024 324 ___U_l_____Ma_b___________________ uptodate,lru,mmap,anonymous,swapbacked > > 0x0000000000005868 358737 1401 ___U_lA____Ma_b___________________ uptodate,lru,active,mmap,anonymous,swapbacked > > total 515071 2011 > > page-types show similar result. > > > The big difference is, previous and current are showing some different processes. > only previous has VirtualBox, only current has vmware-usbarbit, etc.. > > Can you use same test environment? yes, it is the same desktop, and i open some pdf files and applications by random.
but when my desktop eat up to 1.8GB RAM (active_anon + inactive_anon + isolated_anon = 481342 pages >= 1.8GB), the system became extraordinary slow. when i move the mouse, the mouse cant move a little on screen. i deem it have "crashed", but i ping it's ip by other desktop, it is ok.
so what is apect affect the system seem to "crashed", page-writeback? page-reclaimed? and the oom-killer seem to be very conservative? in that condition , oom_killer must kill some process to release memory for new process.
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