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Re: Power cycling and xserver

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Hello,

Haines Brown a écrit :
> I have what seems to be a set of unrelated problems on 2008 hardware
> running Wheezy and GNOME. 
> 
> The problem started with a loss of both keyboard and mouse inputs. When
> I did a hot reboots I found the results to be unpredictable.
> 
> Sometimes the power LED comes and then goes off after a second and
> starts an unending cycle that resumes if the power cord is detached and
> re-attached. 
> 
> Sometimes the power LED and the HD LED both on for a few seconds
> and then both go off to start the on-off cycle for both. 
> 
> For a while the machine could reach GRUB menu, when it rebooted itself. 
> 
> Once it actually started X server and allowed user log in. Everything
> worked for about 12 hours, and then mouse and keyboard were again lost. 
> 
> Right now when I tried to boot DebLive from USB key, the power supply
> LED is on without recycling, but no power to HD and boot process is
> hung.
>  
> What connection could there be between the faulty operation of the X
> server and errative power?

IMO, an aging power supply. Or aging electrolytic capacitors on the
motherboard.

> The hardware is from 2008, Could it be that
> the BIOS battery needs replacement? The HD is being supplied with 5 and
> 11 volts in its power connector. 

11 V for the 12 V output is below the ATX specification minimum ; it
should be at least 11.4 V.

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Power cycling and xserver Haines Brown <haines@histomat.net> - 2014-08-15 08:35 -0400
  Re: Power cycling and xserver Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2014-08-15 15:00 +0200
    Re: Power cycling and xserver Haines Brown <haines@histomat.net> - 2014-08-15 11:10 -0400

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