FreeBSD 8 BETA3 unusable (kbd/syscons?)
Nathan Lay
nslay at comcast.net
Fri Aug 28 12:27:31 UTC 2009
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
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