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Re: TEST: Sleep patch #5

On Thu, 2004-11-25 at 23:59 +0100, Sascha Herrmann wrote:
> Hy Benjamin,
> compiled your patch and it runs really nice most of time. I have done 
> some suspend/resume cycles now without any real problems.
> Sometimes xmms  hangs after resume, but can be restarted by pressing the 
> play Button. Also it's seems dmasound_pmac dosn't like suspend very 
> much. Sometimes after resume i can hear some odd peaks while playing 
> mp3's with xmms. unloading/reloading dmasound solves this.
> Sometimes while the iBook (G4) is on sleep i can i hear an very silent 
> sound (i think out of the speakers), which sounds somewhat like the hum 
> you can hear from cheap Power-Supplys.

That could be the sound chip not sleeping properly. I think there are
various missing bits in the sound drivers for power management.
> The problem with the lockups while booting are still there. The lockups 
> happens while the kernel is booting (befor init or cpudyn is loaded, 
> sorry i think i didn't get that right in my last mail). I have uploaded 
> an screenshot of one lockup and the used kernel config.
> http://www.nvbi.de/ibook/config-2.6.9-suspend-5-1
> http://www.nvbi.de/ibook/IMG_1763.JPG
> I will do some more boots tomorrow and see how hoften this happens.

If you compile CONFIG_XMON in the kernel, once it's locked, does
command-power work to break into the debugger ? Also, does it lockup if
you remove CONFIG_CPUFREQ from the kernel ?
> PS: i have done about 15 sleep/resume cycles now, without rebooting or 
> any real crash. Very nice :)
> Best Regards,
> Sascha
Benjamin Herrenschmidt <benh@kernel.crashing.org>

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