Messages in this thread | | | Date | Thu, 19 Feb 2009 13:01:58 +0100 | From | Nick Piggin <> | Subject | Re: xfs problems (possibly after upgrading from linux kernel 2.6.27.10 to .14) |
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On Thu, Feb 19, 2009 at 05:19:25PM +1100, Dave Chinner wrote: > On Wed, Feb 18, 2009 at 10:36:59AM +0100, Carsten Aulbert wrote: > > >> plus a few more nodes showing the same characteristics > > > > > > Hmmmm. Did this show up in 2.6.27.10? Or did it start occurring only > > > after you upgraded from .10 to .14? > > > > As far as I can see this only happened after the upgrade about 14 days > > ago. What strikes me odd is that we only had this occurring massively on > > Monday and Tuesday this week. > > > > I don't know if a certain access pattern could trigger this somehow. > > I suspect so. We've already had XFS trigger one bug in the new > lockless pagecache code, and the fix for that went in 2.6.27.11 - > between the good version and the version that you've been seeing > these memory corruptions on. I'm wondering if that fix exposed or > introduced another bug that you've hit....
Highly unlikely. It only introduces constraints on how the compiler may generate code, so it would have to be a compiler bug to cause a bug I think.
I wonder how long you've been running with 2.6.27 based kernels without corruption?
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