True... trying cf9_cond with low priority probably makes sense. On March 1, 2014 12:21:39 PM PST, Matthew Garrett <mj...@srcf.ucam.org> wrote: >On Sat, Mar 01, 2014 at 12:06:39PM -0800, H. Peter Anvin wrote: > >> Be careful. This is *exactly* what I tried back in checkin >> 14d7ca5c575853664d8fe4f225a77b8df1b7de7d. We had to back that out >quite >> quickly. > >It's the difference between trying it before the keyboard controller >and >trying it after the keyboard controller and ACPI. It seems that it >broke >some systems where the keyboard controller worked - if we've hit the >keyboard controller and ACPI twice, and the system is still alive, and >if we have standard PCI ports, it doesn't seem like poking them is >likely to make anything actively worse.
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