[TuxOnIce-users] Problem hibernating on system that worked for ages

[Stéphane Guedon]

Le Friday 10 September 2010 21:41:25, Dominik Stadler a écrit :
> I just noticed that I did not actually describe what I see:
> 
> Whenever I start to hibernate, it starts doing all the preparation stuff,
> then the screen switches to the console, where it immediately prints the
> error about "Unable to find signature" and then returns me to the graphical
> screen and no hibernation takes place, tried to cleanly restart, tried to
> undo some options, ... all to no avail.
> 
> Thanks... Dominik.
> 
> On Fri, Sep 10, 2010 at 9:25 PM, Dominik Stadler 
<dominik.stadler at gmx.at>wrote:
> > Hi,
> > 
> > I have an Ubuntu system (Lenovo ThinkPad T500) where Tuxonice hibernation
> > worked for ages. However suddenly it stopped working yesterday and I can
> > not find out how to fix it. I feel that it needs to be something simple
> > as it was working so well before, but cannot make any sense out of the
> > things I see in logfiles.
> > 
> > I use the latest kernel from the TOI-PPA, 2.6.32-24.42~ppa3.
> > 
> > I accidentially mounted the hibernated partition once while booting into
> > a Live-CD, but did not write any file, just looked at one existing file
> > and then unmounted the partition again. Can this be related?
> > 
> > I am grateful to any hint as to how to reset things here, or at least
> > which debugging I can enable to shed some more light.
> > 
> > $ sudo hibernate -v 3
> > hibernate: Trying method in tuxonice.conf...
> > hibernate: Including configuration from common.conf
> > hibernate: [01] Executing CheckLastResume ...
> > hibernate: [01] Executing CheckRunlevel ...
> > hibernate: [01] Executing LockFileGet ...
> > hibernate: [01] Executing NewKernelFileCheck ...
> > hibernate: [10] Executing EnsureTuxOnIceCapable ...
> > hibernate: [11] Executing ChangeGrubMenu ...
> > Changing grub menu...
> > hibernate: [11] Executing XHacksSuspendHook1 ...
> > hibernate: [20] Executing VirtualboxSavestate ...
> > hibernate: [45] Executing FSTypesUnmount ...
> > hibernate: [50] Executing FilesystemsUnmount ...
> > hibernate: [59] Executing RemountXFSBootRO ...
> > hibernate: [89] Executing SaveKernelModprobe ...
> > Saved /proc/sys/kernel/modprobe is /sbin/modprobe
> > hibernate: [91] Executing ModulesUnloadBlacklist ...
> > Unloading blacklisted modules listed /etc/hibernate/blacklisted-
> > modules
> > Module version for ipw2100 is 66050
> > Module version for ipw2200 is 66050
> > Module version for snd_bt_sco is
> > Module version for ndiswrapper is 79616
> > hibernate: [95] Executing XHacksSuspendHook2 ...
> > xhacks: changing console from 7 to 15
> > hibernate: [97] Executing ChangeToTuxOnIceVT ...
> > hibernate: [98] Executing CheckRunlevel ...
> > hibernate: [98] Executing DimBackLight ...
> > [: 912: Illegal number:
> > hibernate: [98] Executing FullSpeedCPUSuspend ...
> > Switched to performance, with min freq at 2534000
> > Switched to performance, with min freq at 2534000
> > hibernate: [98] Executing TuxOnIceConfigSet ...
> > hibernate: [99] Executing DoTuxOnIce ...
> > hibernate: Activating TuxOnIce ...
> > hibernate: [98] Executing FullSpeedCPUResume ...
> > hibernate: [97] Executing ChangeFromTuxOnIceVT ...
> > hibernate: [90] Executing RestoreBackLight ...
> > [: 13: Illegal number:
> > hibernate: [90] Executing ModulesLoad ...
> > hibernate: [89] Executing RestoreKernelModprobe ...
> > hibernate: [85] Executing XHacksResumeHook2 ...
> > xhacks: changing console back to 7
> > hibernate: [70] Executing ClockRestore ...
> > hibernate: [59] Executing RemountXFSBootRW ...
> > hibernate: [20] Executing VirtualboxRestorestate ...
> > hibernate: [11] Executing XHacksResumeHook1 ...
> > hibernate: [11] Executing RestoreGrubMenu ...
> > hibernate: [01] Executing NoteLastResume ...
> > hibernate: [01] Executing LockFilePut ...
> > hibernate: [00] Executing RemoveTuxOnIceProcCruft ...
> > 
> > Attached is the output of "hibernate -v 9"
> > 
> > And the system logfiles contain the following, /dev/sda2 is the correct
> > swap-partition that I used before and it is a working swap device:
> > 
> > Sep 10 19:55:16 dstathink kernel: [41805.984614] TuxOnIce: Unable to find
> > a signature. Could you have moved a swap file?
> > Sep 10 19:55:16 dstathink kernel: [41805.984617] TuxOnIce: Block I/O: No
> > signature found at /dev/sda2.
> > Sep 10 19:55:16 dstathink kernel: [41805.994408] TuxOnIce 3.2-rc2, with
> > support for usm, compression, block i/o, swap storage, file storage,
> > userui. Sep 10 19:55:16 dstathink kernel: [41805.994429] TuxOnIce:
> > Unable to find a signature. Could you have moved a swap file?
> > Sep 10 19:55:16 dstathink kernel: [41805.994431] TuxOnIce: Block I/O: No
> > signature found at /dev/sda2.
> > 
> > I feel that this could be the reason but I have no clue what to do to fix
> > this...
> > 
> > Thanks... Dominik.

I have one problem that looks like yours...
It seems that tuxonice itself isn't responsible, but the more general acpi 
part of the kernel, responsible for suspending state...

I will dig the question in the next days.

-- 
Stéphane Guedon
page web : http://www.22decembre.eu/
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