On Wed, Jul 03, 2013 at 06:06:20PM +1000, Stephen Rothwell wrote: > Hi all, > > Changes since 20130702: > > The powerpc tree lost its build failure. > > The device-mapper tree gained a conflict against the md tree. > > The net-next tree gained a build failure for which I cherry-picked an > upcoming fix. > > The trivial tree gained conflicts against the btrfs and Linus' trees. > > The xen-two tree gained a conflict against the tip tree. > > The akpm tree lost some patches that turned up elsewhere. > > The cpuinit tree lost a patch that turned up elsewhere. > > ---------------------------------------------------------------------------- > Hi, Today's linux-next appears to introduce some BUGs when running the libhugetlbfs testsuite (under both ARM64 and x86_64): [ 94.320661] BUG: Bad rss-counter state mm:ffff880119461040 idx:1 val:-512 [ 94.330346] BUG: Bad rss-counter state mm:ffff880119460680 idx:1 val:-2560 [ 94.341746] BUG: Bad rss-counter state mm:ffff880119460d00 idx:1 val:-512 [ 94.347518] BUG: Bad rss-counter state mm:ffff880119460d00 idx:1 val:-512 [ 94.415203] BUG: Bad rss-counter state mm:ffff8801194f9040 idx:1 val:-1024 I've bisected this to commit: commit 446313e3e4e7274c4d1e449d107fab6c041ec59c hugetlb: properly account rss The bad counter values I get are all negative. To reproduce this, just run through the latest libhugetlbfs test suite, these warnings appear pretty much immediately. (I set aside 200 huge pages first): http://libhugetlbfs.sourceforge.net/ Reverting this commit allows the test suite to run without problems. Cheers, -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
