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Andrew Morton wrote: > Jeff Garzik <jgarzik@pobox.com> wrote: > >>>Can we get a sysrq-M dump from that machine please? >> >> alas, for the 'hang' case, my during-initscripts console is going to >> strange place. here's sysrq-m from 2.6.9-rc3-bk4 with the mm/vmscan.c >> patch reverted (the its-fixed version). > > > Is cool - I was wondering if you had the same funny NUMA zone layout. You > do not. > > So there's some new non-terminating condition in there. It's definitely > the case that we're still failing to throttle kswapd as we should be doing, > but I left it as-is due to lack of reported problems (hah) and because the > fix does cause less reclaim via kswapd and more reclaim via direct reclaim. > > Still. The relevant patches, in order, are at > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.9-rc4/2.6.9-rc4-mm1/broken-out: > > vmscan-total_scanned-fix.patch > revert-vm-no-wild-kswapd.patch > balance_pgdat-cleanup.patch > no-wild-kswapd-2.patch > no-wild-kswapd-kswapd-continue.patch > > I expect the first one will fix this up. Can you confirm? FWIW, I verified that "vmscan-total_scanned-fix.patch" fixes the hang on both 2.6.9-rc3-bk4 and 2.6.9-final. Jeff - 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/ | ||||||||||||
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