8-STABLE/amd64 semi-regular crash with "kernel trap 12 with interrupts disabled" in "process 12 (swi4: clock)"

[Lev Serebryakov]

Hello, Jeremy.
You wrote 19 января 2011 г., 0:46:54:

> CC'ing Jack Vogel of Intel, as this looks like it could be something the
> em(4) driver might be tickling.  I do see it in the stack trace shortly
> before the crash.  In the interim, can you please provide output from the
> following command:
> # pciconf -lbcv
> And include only the entries relevant to your emX devices.
em0 at pci0:0:25:0:        class=0x020000 card=0x82681043 chip=0x10bd8086 rev=0x02 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Intel 82566DM Gigabit Ethernet Adapter (82566DM)'
    class      = network
    subclass   = ethernet
    bar   [10] = type Memory, range 32, base 0xfea40000, size 131072, enabled
    bar   [14] = type Memory, range 32, base 0xfea79000, size 4096, enabled
    bar   [18] = type I/O Port, range 32, base 0xdc00, size 32, enabled
    cap 01[c8] = powerspec 2  supports D0 D3  current D0
    cap 05[d0] = MSI supports 1 message, 64 bit
    cap 09[e0] = vendor (length 6) Intel cap 2 version 0

It is on-board LAN on Q35-based MoBo (ASUS P5E-VM DO)

> As for the "the server refuses to auto-reboot": that may be a separate
> problem.  You might try toggling the hw.acpi.disable_on_reboot and
> hw.acpi.handle_reboot sysctls (check what values they have on your
> system first) to see if there's any improvement.
  Both are zero. BTW, manual reboots (reboot && shutdown -r now) and
shutdowns (shutdown -p now) works perfectly Ok.

-- 
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>