FreeBSD-14.0-CURRENT-amd64-20210408-15dc713ceb5-245885-memstick.img fails to boot on Haswell-based laptop.

From: Lev Serebryakov <lev_at_FreeBSD.org>
Date: Thu, 15 Apr 2021 18:04:55 +0300
  I'm trying to install CURRENT (FreeBSD-14.0-CURRENT-amd64-20210408-15dc713ceb5-245885-memstick.img) snapshot onto Lenovo Thinkpad T540p, i7-4700 based laptop.

  Kernel traps on boot with "Fatal trap 9" and this stack trace (hand-copied):

calltrap()
--- trap 0x9
run_interrupt_driven_config_hooks()
boot_run_interrupt_driven_config_hooks()
mi_startup()

  It is 100% reproducible, and I cannot issue commands to kernel debugger, keyboard is dead.

  Enabling verbose boot helps, with verbose boot it boots to installer.

  Looks like some race condition.

  Is it known problem?

-- 
// Lev Serebryakov
Received on Thu Apr 15 2021 - 13:04:59 UTC

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