[linux-pm] intermittent suspend problem

[Rafael J. Wysocki]

On Thursday 30 July 2009, Ferenc Wagner wrote:
> Hi,

Hi,

> Right now I'm running v2.6.31-rc4-169-g967e4bf and it produced
> something I've never seen before (neither on 2.6.30 nor 2.6.31-rc3).
> The hibernation process froze like this:
> 
> Looking for splash system... Splashy ERROR: Cannot read XML File <</etc/splashy/config.xml>> Exiting...
> Splashy ERROR: libsplashy: No config file found at (null)
> splashy_init: error -1none
> s2disk: Snapshotting system
> s2disk: System snapshot ready. Preparing to write
> s2disk: Image size: 240872 kilobytes
> s2disk: Free swap: 1333596 kilobytes
> s2disk: Saving 60217 image data pages (press backspace to abort) ... 100% done (60217 pages)
> s2disk: Compression ratio -63208.85
> S|
> 
> Basically, it looked like it simply neglected to switch off the
> machine (ThinkPad R50e), switching it off and later on manually
> resulted in a perfect resume from the written image.  However, the
> next suspend to RAM failed with this:
> 
> [66105.285713] Freezing user space processes ... (elapsed 0.02 seconds) done.
> [66105.313558] Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
> 
> where the machine froze with its suspend led blinking.  After a clean
> restart, I couldn't reproduce either problem.  Sorry for being of so
> little use, but I decided to report it, who knows...

Thanks for the report.  I'm observing a hibernation issue where the machine
hangs on the second attempt to hibernate 100% of the time.  It looks like it
may be related to what you've observed.

Best,
Rafael