Re: System crash, or lockup
On 20 August 2012 15:39, Marc Shapiro <marcnshap@gmail.com> wrote:
> I have posted about this before, and one suggestion was that I have a
> power
> supply problem. This seems possible, even probably, for some of my
> problems, but not, I think, for all of them. Also, I have noticed
> additional types of problems since my last post.
>
> Please note: I have purchased a new power supply (with a higher wattage
> than my old one) but have not had time to install it, yet.
>
>
> This is on an up to date Squeeze box running gnome.
>
> Problem 1:
> The system goes down, the screen goes blank and then says it is not
> receiving a signal. This sounds like a power supply problem and I expect
> it
> will go away once I get the new power supply installed.
>
> Problem 2:
> The system simply locks up completely, with no notice, or warning. There
> is
> no response to the mouse, or keyboard. Prior to having hard drive
> problems
> (which caused me to replace the HD and reinstall) this would sometimes
> happen. When it did, I could usually ssh in do 'sudo chvt' and then I
> would
> be able to use the desktop again. On checking out the system, I would
> find
> that X had simply gone away on the VT that was displayed (but the screen
> still showed everything as it had been, just unresponsive. Since the
> reinstall, I have been unable to ssh to the box in the first place. I get
> a
> 'no route' error on my laptop when I try (yes, I can ssh in at other
> times).
> The only solution is a hard reboot. This does not seem to me to be power
> supply related.
>
> Problem 3 (NEW):
> The system mostly locks up. The mouse still moves, but there is no
> response
> to mouse clicks. The gnome panels go completely blank. Running programs
> do
> not respond to the keyboard, but I can 'chvt' to get to another X session
> (there are usually three sessions going at once on vt7, vt8 and vt9 for
> myself, my wife and my daughter. I can also chvt to console sessions.
> Once
> I have switched to another session, if I kill startx and xinit for the
> locked session (or sessions - sometimes two sessions will do this at the
> same time. I think that once, all three X sessions locked up this way but
> I
> was still able to 'fix' things from a console session.) then the sessions
> start to work, again. All applications have been killed, but the gnome
> panels are back to normal and the session responds to the mouse and
> keyboard. This sounds like a gnome problem. Has anyone else had a
> similar
> problem?
>
> I hope to get the time to install the power supply and (fingers crossed)
> solve prolem #1 tonight. Does anyone have any ideas on the cause of
> problems #2 and #3? I really don't expect the new power supply to solve
> them and they are just as much disruption as #1.
>
> Please help. This is very annoying.
>
1) Sounds like loss of video signal; if this is a desktop, check
connections or try different (data) cable.
2) Maybe faulty ram.
3) Perhaps a lack of ram or swap space.
--
Sent from FOSS (Free Open Source Software)
Debian GNU/Linux
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