[Bug 266145] Intel Alder Lake: crashes on CURRENT vfs

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 266145] [Intel Alder Lake] Crashes on CURRENT vfs/softupdate"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 09 Jan 2023 19:17:30 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266145

--- Comment #19 from Ed Maste <emaste@freebsd.org> ---
cde70e312c3f should solve the problem as a workaround, but the underlying issue
likely needs new microcode or a new CPU. Once those are available we'll ask
folks to test the original code path (via the vm.pmap.pcid_invlpg_workaround
tunable) and we should be able to tighten up the workaround to apply only to
known microcode versions/CPUs.

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