Re: FreeBSD 8 BETA3 unusable (kbd/syscons?)

Nathan Lay wrote:
> Hi list,
> I can't seem to do anything with FreeBSD 8 BETA3.  Whenever I try to 
> do anything from a syscons terminal (ttyv#) the system freezes and 
> requires a hard reboot.  The longest run I got was last night for 
> about 10 hours while doing a portupgrade (X is not an option until 
> then) before it froze.  Today, I saw it panic for the first time.  It 
> stopped at kbd_enter and kbd_why, but I didn't have savecore turned on 
> to provide more detail.  I've also seen it freeze in what appeared to 
> be due to mouse movement and syscons savers but I can't verify this 
> because the system does not panic, it freezes hard.  I'll try to 
> reproduce this but it almost always freezes rather than panic.  I had 
> another laptop do this to me in earlier -CURRENT revisions and 
> disregarded it as possible failing hardware. But both laptops ran 
> FreeBSD 7 and very early -CURRENT without these instabilities.  I've 
> attached uname, dmesg, my kernel config and rc.conf for any clues.  I 
> will try my best to reproduce the panic and post my findings.
>
> Nate
>
>
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My system hangs appear to be ACPI related.  When I disabled passive 
cooling (and reduced my frequency to prevent overheating), the system 
was stable.  I've since read the handbook about ACPI and added the 
mentioned hint to disable APIC (though I don't even have apic in the 
kernel?).  Hopefully that fixes these mysterious hangs.  The panic I saw 
may have just been a coincidence.

Best Regards,
Nathan Lay