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.
> 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,
Benjamin Herrenschmidt <firstname.lastname@example.org>