On Tue, Jan 19, 2021 at 03:57:59PM -0800, Luck, Tony wrote: > But the real validation folks took my patch and found that it has > destabilized cases 1 & 2 (and case 3 also chokes if you repeat a few > more times). System either hangs or panics. Generally before 100 > injection/conumption cycles. Hmm, that mce_count increment and check stuff might turn out to be fragile in the face of a race condition. But I don't see it... > So if you see anything obviously broken, let me know. Otherwise I'll > be poking around at the patch to figure out what is wrong. Yah, some printk sprinkling might be a good start. But debugging in that atomic context is always nasty. ;-\ -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette