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On Monday, April 06, 2015 5:03:11 PM Walter Dnes wrote: |
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> I have a bunch of spreadsheets, browser tabs, etc, open all the time, |
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> scattered over various work areas. Rather than re-open them every day, |
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> I simply hibernate, using suspend-to-disk. This way, things are where I |
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> left them. |
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> |
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> The past couple of months, when the machine comes up from hibernation, |
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> the clock is a few hours ahead. Now it's 4 hours ahead. It was 5 hours |
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> ahead before the switch to daylight savings time. This looks |
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> suspiciously like GMT. GMT is 5 hours ahead of EST, and 4 hours ahead |
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> of EDT. |
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> |
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> I dug deeper. Apparently, it's just the "kernel system time" that |
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> gets bumped forward when it wakes up from hibernation. The BIOS clock |
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> is OK. As a heavy-handed hack, I've inserted the line... |
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> |
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> OnResume 01 hwclock --hctosys |
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> |
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> ...into my /etc/hibernate/hibernate.conf. This copies over the BIOS |
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> time to the kernel system date. It works, but I'd really like to know |
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> why it's necessary in the first place. |
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> |
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|
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There's an option CONFIG_RTC_HCTOSYS on the kernel to do it automatically. I |
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think it uses utc so if you use localtime it may mess it up. This also came up |
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recently on this list but I can't remember what the problem was so you may |
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want to look there. |
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|
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-- |
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Fernando Rodriguez |