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    DateFri, 14 Jul 2006 06:12:54 +0200
    FromWilly Tarreau <>
    SubjectRe: memory corruptor in .18rc1-git
    On Thu, Jul 13, 2006 at 06:30:29PM -0400, Dave Jones wrote:
    > On Thu, Jul 13, 2006 at 03:24:25PM -0700, Andrew Morton wrote:
    > 
    >  > > I've up'd the speed of the serial console, in the hope that more chars
    >  > > make it over the wire before reboot should this happen again.
    >  > 
    >  > Are you using SMP?  We have a known slab locking bug.
    > 
    > Yes, dual EM64T's with HT.
    > 
    >  > There have been a couple of slab.c patches committed today, but neither of
    >  > them appear to actually fix the bug.
    >  > 
    >  > The below should fix it, and testing this (disable lockdep) would be
    >  > useful.
    > 
    > I can give it a shot, but as it takes a while for this to manifest, I may
    > not be able to say for certain whether it fixes it or not.
    
    Then you might consider slightly changing the debug messages, because they
    are identical in list_add and list_del. Having a way to differenciate
    between the two functions might give one more indication.
    
    > 		Dave
    
    Willy
    
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