Powerbook shuts down hard when hot, patch found
mb at bu3sch.de
Sat Sep 29 21:22:59 EST 2007
On Saturday 29 September 2007 13:06:59 Michael Buesch wrote:
> > This is very strange... Can you try also clearing VGA_DDC_CLK_OUT_EN and
> > VGA_DDC_DATA_OUT_EN and the same time and see if that helps ?
> It still triggers the bug then.
I tried something else.
I removed the write and only added a printk with a register read
to print the contents (DDC REG IS 0x...) . This is the result:
[ 0.431304] PCI: Enabling device 0000:00:10.0 (0006 -> 0007)
[ 0.626866] radeonfb (0000:00:10.0): Invalid ROM signature 303 should be 0xaa55
[ 0.626877] radeonfb: Retrieved PLL infos from Open Firmware
[ 0.626887] radeonfb: Reference=27.00 MHz (RefDiv=12) Memory=203.00 Mhz, System=392.00 MHz
[ 0.626897] radeonfb: PLL min 12000 max 35000
[ 0.627194] DDC REG IS 0x00000303
[ 0.763751] i2c-adapter i2c-2: unable to read EDID block.
[ 0.983746] i2c-adapter i2c-2: unable to read EDID block.
[ 1.203745] i2c-adapter i2c-2: unable to read EDID block.
[ 1.280001] DDC REG IS 0x00000000
[ 1.620189] ieee1394: Host added: ID:BUS[0-00:1023] GUID[001124fffed98036]
[ 1.670984] radeonfb: Monitor 1 type LCD found
[ 1.670992] radeonfb: EDID probed
[ 1.670997] radeonfb: Monitor 2 type no found
[ 1.671012] radeonfb: Using Firmware dividers 0x0002008e from PPLL 0
[ 1.671075] radeonfb: Dynamic Clock Power Management enabled
[ 1.712658] Console: switching to colour frame buffer device 160x53
[ 1.735555] radeonfb: Backlight initialized (radeonbl0)
[ 1.735746] radeonfb (0000:00:10.0): ATI Radeon NP
[ 1.738776] Generic RTC Driver v1.07
[ 1.738995] Macintosh non-volatile memory driver v1.1
Note that the function is called twice. Is that correct?
More information about the Linuxppc-dev