On Thu, Oct 29, 2020 at 11:33:06AM +0900, Keith Busch wrote: > On Thu, Oct 29, 2020 at 02:20:27AM +0000, Gloria Tsai wrote: > > Corrected the description of this bug that SSD will not do GC after > > receiving shutdown cmd. > > Do GC before shutdown -> delete IO Q -> shutdown from host -> breakup GC -> > > D3hot -> enter PS4 -> have a chance swap block -> use wrong pointer on > > device SRAM -> over program > > What do you mean by "wrong pointer"? At the place in the sequence you're > referring to, the PCI BME is disabled: you can't access *any* host RAM, > so there's no "correct" pointer either.
Re-reading your message, I do see you said "device" rather than "host", so my response may not be relevant.
