Re: hwclock & /dev/rtc

[Bob McGowan <bob_mcgowan@symantec.com>]

Paul Wise wrote:
> Hi all,
>
> [Please CC me, I'm not subscribed]
>
> Can anyone tell me why hwclock --directisa works on this laptop (Dell
> Inspirion) but /dev/rtc does not (linux 2.6.21 from Debian sid)?
>
> # hwclock --directisa --show
> Fri Jun  1 15:36:11 2007  -0.377827 seconds
> # hwclock  --show
> select() to /dev/rtc to wait for clock tick timed out
> # lspci | grep ISA 
> 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 01)
> # lspci -n  | grep 00:1f.0
> 00:1f.0 0601: 8086:27b9 (rev 01)
>
> Is there a module udev isn't loading that it should be? Or do I need to
> write a driver for it?

$ lsmod|grep rtc
rtc                    12372  0

If you get no output, then the rtc driver has not loaded.  But you don't 
need to write one, try:

modprobe rtc

first.  Then, if hwclock works, you may need to add the driver name to 
the /etc/modules file.

--
Bob McGowan

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