On Thu, 10 May 2012, richard -rw- weinberger wrote: > On Wed, May 9, 2012 at 4:14 PM, Christoph Lameter <cl@xxxxxxxxx> wrote: > > On Wed, 9 May 2012, richard -rw- weinberger wrote: > > > >> A few minutes ago I saw this BUG within one of my KVM machines. > >> Config is attached. > > > > Interrupts on in __cmpxchg_double_slab called from __slab_alloc? Does KVM > > do some tricks with interrupt flags? I do not see how that can be > > otherwise since __slab_alloc disables interrupts on entry and reenables on > > exit. > > Dunno. > So far I've seen this BUG only once. :-\ Hmmm... allocate_slab() does some dangerous games with the "flag" variable which determines if interrupts are to be reenabled and disabled but I cannot see how it could have the effect that you are seeing. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>