[HEADSUP] amd64 suspend/resume code to be comitted

[Brandon Gooch]

On Tue, Mar 24, 2009 at 4:14 PM, Adam McDougall <mcdouga9 at egr.msu.edu> wrote:
> Brandon Gooch wrote:
>>
>> On Mon, Mar 23, 2009 at 4:28 PM, Jung-uk Kim <jkim at freebsd.org> wrote:
>>
>>>
>>> On Monday 23 March 2009 05:16 pm, Brandon Gooch wrote:
>>>
>>>>
>>>> The committed version is working well, I am suspending and resuming
>>>> on my Lenovo X300. Thanks for your work on this, it is one of the
>>>> major things I needed to work so I could run FreeBSD primarily on
>>>> my notebook.
>>>>
>>
>> I just finished a kernel build and it seems as though your
>> recent commits have fixed the clock (at least for me)!
>>
>> I feel sorry for all the i386 folks on ACPI notebooks...
>>
>> Thanks!
>>
>> -Brandon
>>
>
> Picking a semi-random message here..
>
> Thanks for your work on this!  In the past (months ago) I tried the patch
> set which didn't work, but the code in -current lets me suspend and resume
> successfully on my Dell Latitude E6500 (acpiconf -s 3)!  I think this is a
> first for me, of all the laptops I've had, none have ever been able to
> suspend and resume in a successful or useful way, and I've been jealous of
> the Thinkpad users that could claim otherwise.  I could suspend and resume
> fine while in the console, then I ran startx and the suspend and resume
> worked while I was in X with intel graphics, however my system was slow
> after that resume.  I didn't spend much time looking at it since I was at
> work, and I didn't see any obvious reasons for the slowness (cpu frequency
> was fine, cx states were C2 or lower (C1), top showed mostly idle, no
> evidence of an IRQ storm) yet processes ran fairly sluggish (not the mouse
> or typing though).  I didn't go back to console, I just shut down without
> trying any other situations yet.
>
> A tip I want to note for any users who may not have success with their
> screen on resume:  In the past it seemed to help me to have a power-on
> password set in my BIOS since the BIOS will turn on the screen on resume to
> ask me for my password.  I don't know if it is still helping me, but I've
> seen in the past where it has.
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The sluggish response in X on Intel video has been an issue the past
couple of days, triggered by suspend/resume or simply switching to VTY
and back.

See this thread:
http://lists.freebsd.org/pipermail/freebsd-current/2009-March/004968.html

Firefox is unusable, but xterms are still usable. I have to reboot to
get back to "normal"

-Brandon