----- Original Message ----- > (2011/05/31 10:33), CAI Qian wrote: > > Hello, > > > > Have tested those patches rebased from KOSAKI for the latest > > mainline. > > It still killed random processes and recevied a panic at the end by > > using root user. The full oom output can be found here. > > http://people.redhat.com/qcai/oom > > You ran fork-bomb as root. Therefore unprivileged process was killed > at first. > It's no random. It's intentional and desirable. I mean > > - If you run the same progream as non-root, python will be killed at > first. > Because it consume a lot of memory than daemons. > - If you run the same program as root, non root process and privilege > explicit > dropping processes (e.g. irqbalance) will be killed at first. Hmm, at least there were some programs were root processes but were killed first. [ pid] ppid uid total_vm rss swap score_adj name [ 5720] 5353 0 24421 257 0 0 sshd [ 5353] 1 0 15998 189 0 0 sshd [ 5451] 1 0 19648 235 0 0 master [ 1626] 1 0 2287 129 0 0 dhclient > > Look, your log says, highest oom score process was killed first. > > Out of memory: Kill process 5462 (abrtd) points:393 total-vm:262300kB, > anon-rss:1024kB, file-rss:0kB > Out of memory: Kill process 5277 (hald) points:303 total-vm:25444kB, > anon-rss:1116kB, file-rss:0kB > Out of memory: Kill process 5720 (sshd) points:258 total-vm:97684kB, > anon-rss:824kB, file-rss:0kB > Out of memory: Kill process 5457 (pickup) points:236 total-vm:78672kB, > anon-rss:768kB, file-rss:0kB > Out of memory: Kill process 5451 (master) points:235 total-vm:78592kB, > anon-rss:796kB, file-rss:0kB > Out of memory: Kill process 5458 (qmgr) points:233 total-vm:78740kB, > anon-rss:764kB, file-rss:0kB > Out of memory: Kill process 5353 (sshd) points:189 total-vm:63992kB, > anon-rss:620kB, file-rss:0kB > Out of memory: Kill process 1626 (dhclient) points:129 > total-vm:9148kB, anon-rss:484kB, file-rss:0kB > > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@xxxxxxxxxx For more info on Linux MM, > see: http://www.linux-mm.org/ . > Fight unfair telecom internet charges in Canada: sign > http://stopthemeter.ca/ > Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>