Re: [opensuse-kernel] 3.4rc6: ACPI change/regression ?
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In article <201205102031.26807.rjw@xxxxxxx> you wrote: > Hi, > > On Thursday, May 10, 2012, Rafael J. Wysocki wrote: >> On Wednesday, May 09, 2012, Cristian Rodríguez wrote: >> > Hi: >> > >> > Since 3.4rc6 I am not able to "turn off" unused Nvidia "optimus" card, >> > either with 3rd party modules or vga_switchero. >> > >> > In rc5 it worked fine, now I get: >> > >> > a) with third party bbswitch module. >> > >> > bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0 >> > bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.PEGP >> > bbswitch: detected an Optimus _DSM function >> > bbswitch: disabling discrete graphics >> > bbswitch: Result of Optimus _DSM call: 11000059 >> > pci 0000:01:00.0: Refused to change power state, currently in D0 >> > ACPI: Device does not support D3 >> > bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on >> > >> > Ok, third party module may be buggy and I don't expect anyone here to >> > support it, so I went to try kernel vga_switchero.. >> > >> > VGA switcheroo: switched nouveau off >> > [drm] nouveau 0000:01:00.0: Disabling display... >> > [drm] nouveau 0000:01:00.0: Disabling fbcon... >> > [drm] nouveau 0000:01:00.0: Unpinning framebuffer(s)... >> > [drm] nouveau 0000:01:00.0: Evicting buffers... >> > [drm] nouveau 0000:01:00.0: Idling channels... >> > [drm] nouveau 0000:01:00.0: Suspending GPU objects... >> > [drm] nouveau 0000:01:00.0: And we're gone! >> > ACPI: Device does not support D3 >> > >> > But device DOES support D3 states or at least it did in rc5.. >> > >> > The ill effec of this change is that now the video card fan is running >> > almost all the time. >> > >> > Is this a side effect of >> > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=1cc0c998fdf2cb665d625fb565a0d6db5c81c639 > > Yes, it's probably this one. Have you tried to revert it? Probably the name change ACPI_STATE_D3 -> ACPI_STATE_D3_HOT wasn't propagated to the nouveau and probaly other driver ... -- Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt --------- Tel. 06151 162516 -------- Fax. 06151 164321 ---------- -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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