Problem when shutting down

Ian MacGregor fedora at ardchoille.org
Mon Oct 17 03:37:34 UTC 2005


> On Sun, 2005-10-16 at 09:35 -0700, Ian MacGregor wrote:
> 
>>When I shutdown my computer, the system hangs while trying to set the 
>>hardware clock. This requires me to manually reset the power switch and, 
>>upon reboot, the time and date are wrong. I have set the correct date 
>>and time n the computer BOIS, so FC4 does not need to do this. How do I 
>>stop FC4 from setting the hardware clock to the OS time when shutting 
>>down or rebooting? I am thinking that this would solve the hanging 
>>problem upon shutdown/reboot.
>>
>>Ian M.
>>
> 
> This may be a problem, but the HW clock needs set with shutdown because
> it almost never is exactly accurate when the system has been running for
> a while.  In general, the time for the OS is set from the HW clock at
> boot time, and the time for the HW is set from the OS at shutdown.  An
> actual hang here can imply a problem, but definitely says that the OS
> and BIOS are not playing nice.  Do you perchance have the BIOS set to
> not allow it to be changed as some virus protection schemes do?  If the
> OS cannot write to the bios it presumable could cause a hang.
> 
> The other real question otherwise is "Does it actually hang - forever -
> during shutdown?  or does it just take a long time and you get impatient
> and power off without having it complete?"  If the latter, try waiting
> for a while to see if it will finish.  If the former then it may
> actually be a problem and may warrant looking at the bios virus
> protection scheme as a start point.
> 
> You say the date and time are wrong when you start up.  That implies the
> date and time are incorrect in BIOS or that you have the timezone set
> wrong, so the date & time are actually correct but for a different time
> zone.  It may also be that you told the system the bios is set to UCT
> when it is in fact set to local time, which would change the time in the
> OS at startup.
Wow, Jeff, thank you for all of that info. I will definitely be looking 
into each and every point you made. I'll post when I figure out what is 
happening. This is the first mailing list that I have joined that DIDN'T 
suck out loud.

Thank you very much.

Ian M.

> 
> HTH
> Jeff
> 




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