[Bug 117131] vga_switcheroo does not switch IGP -> DIS ( IGP == i915 , DIS == radeon )
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Mon Apr 25 18:49:22 UTC 2016
https://bugzilla.kernel.org/show_bug.cgi?id=117131
--- Comment #10 from Jason Vas Dias <jason.vas.dias at gmail.com> ---
OK, fine, I have to use FGLRX to use the Radeon as the primary display
as I do under OEL7 (Linux 3.10) -
what a terrific new open source radeon driver Linux 4.5 has.
But I cannot even get the Intel card to go into graphics mode under Linux
4.5.0,
owing to the failure of the radeon module to call that ACPI method .
My xorg.conf now has no references to radeon driver :
Section "ServerLayout"
Identifier "X Radeon"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib64/xorg/modules"
FontPath "/usr/share/fonts/X11/misc/"
FontPath "/usr/share/fonts/X11/TTF/"
FontPath "/usr/share/fonts/X11/OTF/"
FontPath "/usr/share/fonts/X11/Type1/"
FontPath "/usr/share/fonts/X11/100dpi/"
FontPath "/usr/share/fonts/X11/75dpi/"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "evdev"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "synaptics"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
Option "DPMS" "true"
EndSection
Section "Device"
Identifier "Intel"
Screen 0
Driver "intel"
BusID "PCI:0:2:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Intel"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Now, I boot only with the 'i915.modeset=1' kernel boot parameter .
I do :
$ dmesg -c >/var/log/dmesg-4.5.0.boot.log # available on request
$ export DISPLAY=:0
$ Xorg -logverbose 7 :0 vt04 & (sleep 2; xterm &)
Now the X-server gets a segmentation violation in the xf86-video-intel driver,
and the following dmesgs are generated :
$ dmesg
[ 121.166547] [drm] probing gen 2 caps for device 8086:c01 = 261ad03/e
[ 121.167141] [drm] PCIE gen 3 link speeds already enabled
[ 121.171391] [drm] PCIE GART of 2048M enabled (table at 0x00000000002E8000).
[ 121.172068] radeon 0000:01:00.0: WB enabled
[ 121.172638] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000100000c00 and cpu addr 0xffff880414eb5c00
[ 121.173232] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
0x0000000100000c04 and cpu addr 0xffff880414eb5c04
[ 121.173821] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
0x0000000100000c08 and cpu addr 0xffff880414eb5c08
[ 121.174409] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000100000c0c and cpu addr 0xffff880414eb5c0c
[ 121.174990] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
0x0000000100000c10 and cpu addr 0xffff880414eb5c10
[ 121.175941] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
0x0000000000075a18 and cpu addr 0xffffc90000435a18
[ 121.196617] radeon 0000:01:00.0: fence driver on ring 6 use gpu addr
0x0000000100000c18 and cpu addr 0xffff880414eb5c18
[ 121.197169] radeon 0000:01:00.0: fence driver on ring 7 use gpu addr
0x0000000100000c1c and cpu addr 0xffff880414eb5c1c
[ 121.344986] [drm] ring test on 0 succeeded in 2 usecs
[ 121.345536] [drm] ring test on 1 succeeded in 1 usecs
[ 121.346090] [drm] ring test on 2 succeeded in 1 usecs
[ 121.346659] [drm] ring test on 3 succeeded in 4 usecs
[ 121.347202] [drm] ring test on 4 succeeded in 2 usecs
[ 121.524819] [drm] ring test on 5 succeeded in 2 usecs
[ 121.525345] [drm] UVD initialized successfully.
[ 121.635907] [drm] ring test on 6 succeeded in 13 usecs
[ 121.636449] [drm] ring test on 7 succeeded in 4 usecs
[ 121.636978] [drm] VCE initialized successfully.
[ 121.637570] f 0#2: signaled from fence_wait
[ 121.638109] [drm] ib test on ring 0 succeeded in 0 usecs
[ 121.638641] f 1#2: signaled from fence_wait
[ 121.639152] [drm] ib test on ring 1 succeeded in 0 usecs
[ 121.639722] f 2#2: signaled from fence_wait
[ 121.640233] [drm] ib test on ring 2 succeeded in 0 usecs
[ 121.640801] f 3#2: signaled from fence_wait
[ 121.641313] [drm] ib test on ring 3 succeeded in 0 usecs
[ 121.641878] f 4#2: signaled from fence_wait
[ 121.642404] [drm] ib test on ring 4 succeeded in 0 usecs
[ 122.295105] f 5#4: signaled from fence_wait
[ 122.295672] [drm] ib test on ring 5 succeeded
[ 122.797067] f 6#4: signaled from fence_wait
[ 122.797648] [drm] ib test on ring 6 succeeded
[ 123.299048] f 7#4: signaled from fence_wait
[ 123.299662] [drm] ib test on ring 7 succeeded
[ 123.387817] device: 'vcs4': device_add
[ 123.387832] PM: Adding info for No Bus:vcs4
[ 123.387875] device: 'vcsa4': device_add
[ 123.387893] PM: Adding info for No Bus:vcsa4
[ 123.400978] Xorg (4385) used greatest stack depth: 12016 bytes left
[ 129.273612] ACPI Error: No handler for Region [EC81] (ffff88041d8d9bd0)
[EmbeddedControl] (20160108/evregion-166)
[ 129.274317] ACPI Error: Region EmbeddedControl (ID=3) has no handler
(20160108/exfldio-299)
[ 129.275027] ACPI Error: Method parse/execution failed
[\_SB.PCI0.PEG0.PEGP.SGOF] (Node ffff88041d8fca50), AE_NOT_EXIST
(20160108/psparse-542)
[ 129.275779] ACPI Error: Method parse/execution failed
[\_SB.PCI0.PEG0.PEGP._OFF] (Node ffff88041d8fce88), AE_NOT_EXIST
(20160108/psparse-542)
[ 129.276495] ACPI Error: Method parse/execution failed [\_SB.PCI0.GFX0.ATPX]
(Node ffff88041d9034b0), AE_NOT_EXIST (20160108/psparse-542)
[ 129.277229] failed to evaluate ATPX got AE_NOT_EXIST
It seems even when I specify Intel driver should be used, the Intel driver
is still hooking into the Radeon driver which initiates its incorrect ACPI
transaction.
Must I remove the radeon driver from the kernel completely in order to get
my display into graphics mode, in order to work around the buggy radeon driver
?
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