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13483
April 25th, 2005 18:00
hwclock errors on various PowerEdge systems
Hi,
I have a new Dell PowerEdge 2650 and installed FC3. I update the time against an ntp server. After rebooting, the time was a few hours back. I resynched against the ntp server and tried to do a "/sbin/hwclock --systohc", which gave me the following error:
select() to /dev/rtc to wait for clock tick timed out
What causes this? I don't think it's a hardware problem since the same thing happens an several machines that are all new...
Hwclock --show gives me the same error...
The same error occurs on a SC420. On the 1850s I have, hwclock works fine. I was wondering if there was some BIOS feature that prevents non-BIOS software from changing BIOS data, but I could not find any setting in the BIOS that would let me turn that on or off...
I have seen other posts on various Linux lists about this specifically on Dell servers, but nobody had a solution...
Thanks,
MARK
markarnold
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April 25th, 2005 19:00
A quick update:
I got hwclock to work by using the "--directisa" parameter.
Must be related to the mainboard/BIOS of the various Dell systems. I talked to a support guy and he confirmed that different PowerEdge systems have totally different BIOSes and mainboards. Although he has not heard of my problem before...
Now the last question: When I shut down the system it tries to sync the system time into the hardware clock and it gets the exact same error. How do I tell this process to use the "--directisa" parameter? Is there a config file or do I have to modify the respective file in etc/init.d directly?
Thanks,
MARK
TriplePC-Mike
6 Posts
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April 26th, 2005 20:00
Simply modify it there.
If you update your packages, this change may be overwritten.
markarnold
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April 27th, 2005 15:00
Actually, I found that the right thing to do is adding a line
CLOCKFLAGS='--directisa'
into the file "/etc/sysconfig/clock". This file (and the variable) is read by both the "halt" and the "rc.sysinit" scripts.
MARK
Ricky42
19 Posts
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May 10th, 2005 04:00
Thanks! That was what I was looking for for my Fedora FC4 Test2 and a Poweredge 800 (with CERC 6-CH RAID) ...
Clock is now working fine!
Message Edited by Ricky42 on 05-10-2005 03:22 AM