Re: 2.6.16-rc[34]: resume-from-RAM unreliable

[Andrew Morton]

Mark Lord <lkml@xxxxxx> wrote:
>
> For the past week, I've been trying to keep with the latest -rc*-git*
> releases of 2.6.16 on my notebook, and something new in those is
> impacting resume-from-RAM.
> 
> It works most of the time, but *rarely* when suspended for more
> than a few hours (like overnight).  Which makes testing somewhat
> challenging, as this is also my main work machine.
> 
> Black screen on resume, no response to alt-sysrq-b,
> and no convenient serial port in the machine.
> 
> Works 100% with 2.6.15 kernels.
> 
> If I can figure out anything more that's useful, I'll do so,
> but that's all I know about it right now.
> 
> Debugging resume on a "legacy free" notebook is not fun.
> 

It's awful, isn't it?  git-bisct is the best bet, but at one bisection
point per day it could get a bit dull.

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