Computer hangs on reboot

[John Baldwin]

On Thursday 17 May 2007 11:26:45 pm Andrey Shuvikov wrote:
> Hi,
> 
> I've installed FreeBSD 6.2 on a computer with PCChips motherboard
> (M787CL+). It works fine except for it hangs when I try to reboot. The
> last I see on the screen is
> 
> All buffers synced.
> Uptime: 8m31s
> Rebooting...
> 
> Then some vertical lines move across the screen (maybe video mode
> switch or something like that), and that's it.
> 
> If I boot with -v option I see two more lines before "Rebooting":
> 
> Shutting down ACPI
> stray irq9
> Rebooting...
> 
> "halt -p" works as expected (shutting machine down). Booting with ACPI
> disabled doesn't help.
> 
> The output of "sysctl hw.acpi":
> 
> hw.acpi.supported_sleep_state: S1 S4 S5
> hw.acpi.power_button_state: S5
> hw.acpi.sleep_button_state: S1
> hw.acpi.lid_switch_state: NONE
> hw.acpi.standby_state: S1
> hw.acpi.suspend_state: S3
> hw.acpi.sleep_delay: 1
> hw.acpi.s4bios: 0
> hw.acpi.verbose: 1
> hw.acpi.disable_on_reboot: 0
> hw.acpi.handle_reboot: 0
> hw.acpi.reset_video: 0
> hw.acpi.cpu.cx_supported: C1/0 C2/100 C3/1000
> hw.acpi.cpu.cx_lowest: C1
> hw.acpi.cpu.cx_usage: 100.00% 0.00% 0.00%
> 
> I tried to set hw.acpi.disable_on_reboot and hw.acpi.handle_reboot to
> 1 (either one or both) but it didn't help either.
> 
> The dmesg is at http://mysite.verizon.net/mr_hyro/acpi/dmesg.txt
> The acpidump output is at 
http://mysite.verizon.net/mr_hyro/acpi/acpidump.txt
> 
> Does anybody know how to fix this?

Does this machine not implement a PS/2 keyboard controller?  If so, try 
RELENG_6.

-- 
John Baldwin