dmesg for unexpected shutdown

[Thufir]

On Mon, 21 Dec 2009 13:48:32 +0000, Colin Law wrote:

> 2009/12/21 Thufir <hawat.thufir at gmail.com>:
>> After pressing the power button to turn on the pc, it spontaneously
>> shutdown after just a moment.  I pressed the button again and it turned
>> on fine.  Initially I thought perhaps the powersupply, or something
>> similar, broke, but that doesn't fit since it's working fine now.
> 
> When you say 'just a moment' do you mean less than a few seconds?  If so
> then it would not have got past the bios startup so it would likely have
> to be a hardware issue of some sort.  I have a PC where the power button
> sometimes sticks in, so the effect on startup is the same as pressing
> and holding the button, so it starts up then shuts down again.  Could
> this be your problem.


Yes, I should've instead written that it didn't seem to get past the 
BIOS.  A sticky button, or perhaps even a loose wire for the power button 
seem plausible if the dmesg gives no additional info.  That being said, I 
do now notice a message about disk failure:


[    2.733611] eth0: SiS 900 PCI Fast Ethernet at 0xb000, IRQ 19, 
00:16:ec:23:af:88
[    2.751000] 8139too 0000:00:09.0: PCI INT A -> GSI 17 (level, low) -> 
IRQ 17
[    2.752671] eth1: RealTek RTL8139 at 0xc800, 00:0d:88:37:fa:22, IRQ 17
[    3.722802] PM: Starting manual resume from disk
[    3.722813] PM: Resume from partition 8:5
[    3.722815] PM: Checking hibernation image.
[    3.723101] PM: Resume from disk failed.
[    3.764944] kjournald starting.  Commit interval 5 seconds
[    3.764974] EXT3-fs: mounted filesystem with writeback data mode.


-Thufir