Messages in this thread | | | From | Con Kolivas <> | Subject | Re: Out of Memory: Killed process 16498 (java). | Date | Thu, 19 Jan 2006 20:36:20 +1100 |
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On Thursday 19 January 2006 19:56, Andrew Morton wrote: > "Andy Chittenden" <AChittenden@bluearc.com> wrote: > > Why does running the following command cause processes to be killed: > > > > dd if=/dev/zero of=/u/u1/andyc/tmpfile bs=1M count=8k > > > > And I noticed one of my windows disappeared. Further investigation > > showed that was my terminator window (java based app: see > > http://software.jessies.org/terminator/). I found this in my syslog: > > > > Jan 17 11:12:58 boco kernel: Out of Memory: Killed process 16498 (java). > > > > My hardware: amd64 based machine (ASUS A8V Deluxe motherboard) with 4Gb > > of memory. > > My kernel: debian package linux-image-2.6.15-1-amd64-k8 package > > installed. IE its running 2.6.15 compiled for amd64. > > > > This is repeatable. The above dd command also causes the machine to > > become very unresponsive (eg windows don't focus). > > What type of filesytem is being written to? > > Has someone tuned /proc/sys/vm/swappiness, or something else under > /proc/sys/vm? > > It'd be useful to see the dmesg output from that oom event.
Are you using scsi? Someone just posted what looks to be a scsi slab leak (Re: scsi cmd slab leak? (Was Re: [ck] Anyone been having OOM killer problems lately?) that causes oom kills. Check your slabinfo for a large scsi_cmd_cache.
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