[mythtv-users] Can't get system to wake up at set time.
henrik.list at gmail.com
Sat Mar 17 18:24:53 UTC 2007
Have you tried to disable the set HW clock setting ?
Also, if your method involves writing to /proc/acpi/alarm do you write in
the right format and do your shutdown script run with the right priviliges.
I use /proc/acpi/alarm on my a8n-vm cms with the HW clock setting disabled,
setting hw clock on shutdown made wake up fail occasionaly.
On 3/17/07, Craig Huff <huffcs at yahoo.com> wrote:
> To paraphrase Princess Leia: "You're my last hope."
> I am using nvram-wakeup and Suspend2 to set the wakeup time and shutdown
> my Fedora Core 6 system so that it will wake up when it is time to record a
> The pieces work, but not together.
> I can use nvram-wakeup to set the alarm clock and confirm it is set in the
> I can set the alarm with nvram-wakeup and shut down the system using the
> front panel "soft-off" power button and the system WILL wake up at the
> appointed time.
> I can use Suspend2 to hibernate the system and recover on reboot.
> I can use mythwelcome to invoke both of these.
> However, when I do this, the system never wakes up at the time specified.
> I have tried the suggested change to /etc/init.d/halt, but no improvement.
> I tried setting the alarm time twice with manual invocations of
> nvram-wakeup (to the same time) followed by a forced shutdown (shutdown -n
> now), but no improvement.
> FWIW, here is the debug_info from Suspend2:
> Suspend2 debugging info:
> - SUSPEND core : 2.2.9
> - Kernel Version : 2.6.18-1.2869_1.fc6.cubbi_suspend2
> - Compiler vers. : 4.1
> - Attempt number : 6
> - Parameters : 0 16 0 0 0 5
> - Overall expected compression percentage: 0.
> - Compressor is 'lzf'.
> Compressed 290709504 bytes into 145282452 (50 percent compression).
> - SwapAllocator active.
> Swap available for image: 519908 pages.
> - FileAllocator inactive.
> - I/O speed: Write 81 MB/s, Read 105 MB/s.
> - Extra pages : 22 used/756.
> The mobo is an ASUS A8N-SLI with an Athlon 64 3200+ and 512MB. I upgraded
> to this from a Gigabyte GA-7DX mobo I had planned to use because I had the
> same problem with it using FC5 and thought it was just too old/incompatible.
> I would consider using a different distro, but based on Jarod Wilson's
> website, I would expect that FC is suitable. I find it hard to believe that
> this new ASUS mobo is incapable of supporting ACPI suspension and wakeup by
> alarm clock.
> I am running out of ideas.
> I've been struggling with MythTV since September and just about run out of
> patience. If I can't get this working this month, I'll just have to give up
> on Linux and MythTv and go buy a Tivo because "it just works".
> Any help would be appreciated.
> Craig Huff
> huffcs from yahoo
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