On 06/04/2007 12:54 PM, Bob McGowan wrote:
> 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.
>

Paul, if you use a Debian stock kernel, the rtc module is built by
default, and it should load automatically. Did you build your kernel
from the source?

Note: I'm a Sarge user.


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