Re: Weird suspend/resume problem on HP nx6325 w/ openSUSE 11.2 w/ -rc8

["Justin P. Mattock" <justinmattock@gmail.com>]

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On 11/21/09 15:15, Rafael J. Wysocki wrote:
> Hi,
>
> I'm not really sure where this should be reported, but here it goes.
>
> After installing openSUSE 11.2 on my testbed nx6325 I noticed that resume
> (from suspend to RAM) stopped working on it.  Apparently, it hanged while
> switching from the console back to X and the box remained completely
> unresponsive after that (it didn't even react to the magic sysrq).  However,
> it used to work just fine with -rc7 and openSUSE 11.1, so I figured the problem
> was related to the new X driver, which is radeon module version 6.12.4 (xorg
> server 1.6.5).
>
> So, I started to investigate and found that after a suspend from a framebuffer
> console, the resume had always worked.  However, when I switched from X to the
> framebuffer console, suspended, resumed and switched back to X, the box hanged
> immediately just like during resume after a suspend from under X.  [There also
> were some problems when switching from X to the framebuffer console and back
> which seemd to be independent of suspend/resume (in short, the screen stays
> black after a switch from the framebuffer console to X and you need to kill X
> to fix this).]
>
> Later, however, I discovered that if the box was booted into runlevel 3, then
> suspended to RAM and resumed, and then switched to runlevel 5, I could log
> into X and suspend/resume without any problems for many times.  OTOH, after
> booting directly into X, the first attempt to resume always resulted in a black
> screen and a hard hang.
>
> I wonder what's up in there.
>
> [Hibernation/resume works 100% of the time AFAICS.]
>
> Thanks,
> Rafael
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>    
I just noticed today that on my macbook(radeon) using
s2ram works, but I get a long pause(black screen) before
the screen shows up.(latest stable release works fine).

Justin P. Mattock

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