On Friday, 27 July 2007 10:15, Felix Homann wrote:
> Hi,
>
> with recent kernels I'm having several problems suspending with
> s2disk/s2ram. The last kernel it has been working flawlessly was 2.6.18.1:
>
> First, here's what the working kernel says:
>
> 2.6.18.1:
>
> s2disk:
> Except for the message "pm_ops ->prepare failed, using 'shutdown
> method = shutdown'. Reason: Inappropriate ioctl for device"
> everything is working fine
>
> I can avoid the message by specifying 'shutdown method =
> shutdown' in /etc/uswsusp.conf
>
> s2ram: I need to use 's2ram-f'. It's working fine then with the
> fglrx driver
>
> Here are the other kernels I've tried:
>
> 2.6.19.7:
>
> s2disk:
> System hangs on "s2disk: Snapshotting system". After approx. 30
> seconds the WLAN LED turns off and I hear a clicking sound as if
> the sound system has been switched off.
>
> s2ram: Hangs on "Suspending console(s)"
>
> 2.6.20.4 (mostly successful!)
>
> s2disk:
> The system suspends successfully. But after resume
>
> 1. The LED indicating that the system is in {On/Off/AC attached}
> state is blinking orange. It should be constantly green.
> 2. Sound won't work afterwards (I read this should be fixed
> in newer kernels)
>
> s2ram:
> Like 2.6.18.1
>
>
>
> 2.6.21.6:
>
> Fails just like 2.6.19.7.
>
> 2.6.22.1:
>
> Fails just like 2.6.19.7.
>
> I've tried several 2.6.22.1 kernels: With or without NO_HZ and
> HIGH_RES_TIMERS enabled, even a stock Debian kernel didn't work.
>
> I'm using Debian/unstable. The laptop is a Centrino/Pentium M.
>
> Any suggestions?
Please try 2.6.23-rc2, when it's out, in the minimal configuration (ie. boot
with init=/bin/bash).
Greetings,
Rafael
--
"Premature optimization is the root of all evil." - Donald Knuth
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