[Bug 59596] Re: /dev/rtc Device or resource busy

Tero Karvinen karvinen+launchpad at iki.fi
Tue Feb 19 20:43:38 UTC 2008

I have the same problem:
- Time is lagging, clock misses about an hour in a day
- /dev/rtc busy when opening, even as root

Problem started a couple of days ago. I just did "apt-get upgrade", but
I still can't read /dev/rtc.

Ubuntu 7.10 Gutsy, Linux ... 2.6.22-14-generic #1 SMP Tue Feb 12
02:46:46 UTC 2008 x86_64 GNU/Linux

~$ cat /dev/rtc 
cat: /dev/rtc: Device or resource busy
~$ sudo cat /dev/rtc 
cat: /dev/rtc: Device or resource busy
~$ sudo fuser -av /dev/rtc
                     USER        PID ACCESS COMMAND

/dev/rtc Device or resource busy
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