[Bug 236838] Commit r340224 prevents loading the kernel for some Intel Xeon hardware

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Mar 27 22:09:37 UTC 2019


            Bug ID: 236838
           Summary: Commit r340224 prevents loading the kernel for some
                    Intel Xeon hardware
           Product: Base System
           Version: 12.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: longwitz at incore.de

I run GENERIC kernel of 12.0-STABLE FreeBSD 12.0-STABLE #1 r345004M on
different hardware. On one type I must revert commit r340224, otherwise the
kernel hangs at boot without giving any message. This hardware is

CPU: Intel(R) Xeon(TM) CPU 3.60GHz (3591.07-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0xf43  Family=0xf  Model=0x4  Stepping=3
  AMD Features=0x20100800<SYSCALL,NX,LM>
  TSC: P-state invariant
real memory  = 8589934592 (8192 MB)
avail memory = 8287981568 (7904 MB)
Event timer "LAPIC" quality 100
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 2 package(s) x 1 core(s) x 2 hardware threads

>From pciconf -lv:
vgapci0 at pci0:5:12:0:    class=0x030000 card=0x10798086 chip=0x47521002 rev=0x27
    vendor     = 'Advanced Micro Devices, Inc. [AMD/ATI]'
    device     = 'Rage 3 [Rage XL PCI]'
    class      = display
    subclass   = VGA

I use kern.vty=sc, but same problem with vt. Also the problem is independent of
the loader (forth or lua).

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