On Friday, 14 of December 2007, Alan Stern wrote: > On Thu, 13 Dec 2007, Andrew Morton wrote: > > > hm, that was all fairly helpful. <looks at the document> <erk, long> > > > > This: > > > gives me this: > > > > http://userweb.kernel.org/~akpm/pc131699.jpg > > > > which identifies your culprit: msr. > > > > I'd suggest that the above debug patch be turned into some > > boot-option-enabled thing and that it be rolled out with this locking > > change for a while at least. > > Rafael, that looks like exactly the same sort of problem as we saw > before. Global searching for CPU_DEAD_FROZEN shows several other > places that perhaps also could be simplified; the actions they take may > or may not be needed for hibernation. > > The following three seem definitely dangerous: > > arch/x86/kernel/cpu/mcheck/mce_64.c > arch/x86/kernel/cpuid.c > arch/x86/kernel/msr.c > > And of course the third is the one that Andrew spotted. Would you like > to address them? Yes, I think I can take care of them, but not earlier than on Sunday. > I can package up Andrew's debugging changes into a real patch. Yes, that certainly is worth doing. :-) Thanks, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
