Hi Andrew, On Thu, 7 Jun 2012 15:05:49 -0700 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, 7 Jun 2012 13:53:20 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > My boot of next-20120607 in PowerPC produces lots of these warnings: > > > > BUG: Bad rss-counter state mm:c000000278508000 idx:0 val:-27 > > BUG: Bad rss-counter state mm:c000000278284000 idx:0 val:-27 > > BUG: Bad rss-counter state mm:c000000279e13000 idx:0 val:-27 > > BUG: Bad rss-counter state mm:c000000278285400 idx:0 val:-27 > > > > And so on (with different mm, idx and val numbers). Searching showed me > > commit "mm: correctly synchronize rss-counters at exit/exec" which seems > > to be there to fix this exact problem? > > Well that's a worry. Are you really sure > mm-correctly-synchronize-rss-counters-at-exit-exec.patch was applied at > the time? Yes. This was exactly next-20120607. > There's been an extended amount of inconclusive waffling on that patch, > but I thought it concerned the best way to fix it, rather than > *whether* it fixes it. Ah, well, it may fix it for some, but not for me - I have never seen those messages before yesterday. -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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