On Tuesday, 8 May 2007 22:58, Tomas Pospisek's Mailing Lists wrote:
> Hello Rafael
> 
> On Tue, 8 May 2007, Rafael J. Wysocki wrote:
> 
> > On Tuesday, 8 May 2007 22:02, Tomas Pospisek's Mailing Lists wrote:
> >> On Tue, 1 May 2007, Rafael J. Wysocki wrote:
> >>
> >>> On Tuesday, 1 May 2007 14:13, Tomas Pospisek's Mailing Lists wrote:
> >>>> On Tue, 1 May 2007, Rafael J. Wysocki wrote:
> >>>>
> >>>>> On Tuesday, 1 May 2007 10:13, Tomas Pospisek's Mailing Lists wrote:
> >>>>>> On the machine here:
> >>>>>>
> >>>>>> $ s2ram -i
> >>>>>>      sys_vendor   = "Fujitsu Siemens"
> >>>>>>      sys_product  = "P6VAP-AP"
> >>>>>>      sys_version  = " "
> >>>>>>      bios_version = "6.00 PG"
> >>>>>>
> >>>>>> s2ram works just fine whether run from X or from the console.
> >>>>>> s2disk works also, *but only as long as X is not started*.
> >>>>>
> >>>>> Can you please check if you are able to reproduce the symptoms with the
> >>>>> built-in swsusp, ie.:
> >>>>>
> >>>>> # echo 8 > /proc/sys/kernel/printk
> >>>>> # echo disk > /sys/power/state
> >>>>
> >>>> This method doesn't work at all. What I can see is that the following
> >>>> line is displayed:
> >>>>
> >>>>          swsusp: Cannot find swapdevice, try swapon -a
> >>>>
> >>>> "swapon -a" works just fine. "swapon -s" shows me that the swap partition
> >>>> is in use.
> >>>>
> >>>> The effect of the suggested commands is that the command just returns
> >>>> back to the console with the following message:
> >>>>
> >>>> # echo 8 > /proc/sys/kernel/printk
> >>>> # echo disk > /sys/power/state
> >>>> bash: echo: write error: No such device
> >>>> #
> >>>
> >>> For this to work you need to append resume=<path_to_your_resume_device> to
> >>> the kernel's command line and reboot (<path_to_your_resume_device> is the
> >>> same as in the s2disk's configuration file).
> >>
> >> Thanks.
> >>
> >> It would be nice if there was an error message suggesting this. That would
> >> help the user.
> >>
> >> Now, I did what you suggested and the result is the same as with s2disk:
> >> the system goes dead. That is, it is still on in the sense that the
> >> computer leds, fan etc. are on, but the video card signal goes off (as my
> >> monitor tells me) and the PC takes no more input nor gives it any output.
> >>
> >> After a reset the filesystem is a bit corrupted, thus I get an FS check
> >> and things seems to work fine again.
> >
> > Really strange.
> >
> > Can you please check if doing
> >
> > # echo shutdown > /sys/power/disk
> >
> > before the 'echo disk > /sys/power/state' changes anything?
> 
> Yes, it does seem to change something (however to be certain, I'd need to 
> get half a dozen samples/tries I'd say).
> 
> Now when I execute 'echo disk > /sys/power/state' the system switches to 
> console mode (that is to VGA resolution) as it did previously, but now I 
> see some activity. The systems tells me it's suspending tasks and I see a 
> progress bar of sorts. But after that, same as before, the machine goes 
> dumb.
> 
> This time I pinged the machine too after it went dumb: no reply. I guess 
> it's only electrically alive but the system is crashed on some level 
> (possibly far) below userspace.

Which X driver do you use?

Rafael

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