[sf-lug] machine fails to wake fully from suspend

[Michael Shiloh]

On 09/27/2013 01:49 PM, Rick Moen wrote:
> Quoting Michael Shiloh (michaelshiloh1010 at gmail.com):
>
>> hi,
>>
>> thinkpad t61p and t61 both have this problem
>>
>> one is running xubuntu; one is lubuntu. both up to date 13.04
>
> I adore those machines.  They differ only in that the 'p' has an ATI
> video chipset, while the base model has Intel video.
>
>> suspend works fine but on wake from suspend machine hangs. opening
>> terminal shows many error messages scrolling by too fast to capture
>> and making it difficult to type on the command line. only solution
>> i've found is to power cycle.
>>
>> was intermittent seems to have gotten worse in past few weeks.
>>
>> tips?
>
> The 'intermittent' bit is what makes it odd.  Otherwise, what I would
> have said is that suspend (and ACPI in general) is sometimes twitchy
> with particular combinations of laptop firmware and particular Linux
> kernels.  Often, the best place to start with Thinkpad problems is on
> applicable pages of Thinkwiki, such as
>
> http://www.thinkwiki.org/wiki/Category:T61p
> http://www.thinkwiki.org/wiki/Problem_with_display_remaining_black_after_resume
>
> I see no magic bullet, there, so personally what I'd do is see what
> happens with a stable-series kernel.org kernel.  (Ubuntu like most
> distros provides somewhat modeified 'vendor kernels'.)  And yes, I do
> mean sitting down and compiling a kernel.  It's not difficult and is a
> useful learning experience.  (Use make-kpkg,
> https://help.ubuntu.com/community/Kernel/Compile.)  And you might was
> well blend in the TuxOnIce patch, while you're at it:
> http://tuxonice.nigelcunningham.com.au/
>
> Just make sure you retain the GRUB stanza for your existing kernel(s),
> so you are immune from burning your bridges.

Thanks for the tip. I will try this. I should add that the worsening of 
the intermittent behavior is to the point of 100%, so perhaps your 
original theory is right.

I'm not afraid of compiling the kernel. I used to use Gentoo before I 
switched to Ubuntu.

Thanks again,
Michael