[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 Zhang Rui changed: What|Removed |Added AssignedTo|acpi_power-vi...@kernel-bug |yakui.z...@intel.com |s.osd

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 ykzhao changed: What|Removed |Added CC||mjg59-ker...@srcf.ucam.org -- Configure bugm

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #13 from Rodrigo L. Batista 2009-04-11 13:41:12 --- Anyway, it is necessary to make changes in Kconfig to solve build problems. When i915 is set as builtin and video as module, acpi_video_register() is undefined. GEN .vers

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 Andrew Morton changed: What|Removed |Added CC||a...@linux-foundation.org --- Comment

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #11 from ykzhao 2009-04-10 06:21:34 --- >From the test the issue is gone if KMS feature is enabled in kernel configuration and I915 driver is loaded. So IMO this is not a bug. Hi, Rui How about reject this bug? -- Confi

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #10 from ykzhao 2009-04-10 03:48:46 --- Thanks for the test. Now it seems that it will can work well again after enabling the KMS feature. If only the video driver is loaded, it will be deferred on the laptops on which the

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #9 from Rodrigo L. Batista 2009-04-10 02:56:46 --- (In reply to comment #7) > Hi, Rodrigo > Will you please enable the "CONFIG_DRM_I915_KMS" in kernel configuration > and see whether the issue still exists? > Thanks. Hi!

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #8 from Rodrigo L. Batista 2009-04-10 02:56:09 --- (In reply to comment #6) > what do you mean by no success? > is there any error message when inserting the i915 driver? No errors. I just don't see the brightness files in /sys/c

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 Zhang Rui changed: What|Removed |Added Status|NEW |NEEDINFO --- Comment #6 from Zhang Rui 2

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #7 from ykzhao 2009-04-10 02:08:35 --- Hi, Rodrigo Will you please enable the "CONFIG_DRM_I915_KMS" in kernel configuration and see whether the issue still exists? Thanks. -- Configure bugmail: http://bugzilla.kernel.org/

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #5 from Rodrigo L. Batista 2009-04-09 13:02:10 --- I tried to load i915 (video module is loaded automatically) and with no success. And when I load the video module without i915, I have the same issue. -- Configure bugmail: htt

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #4 from Rodrigo L. Batista 2009-04-09 13:01:29 --- Created an attachment (id=20905) --> (http://bugzilla.kernel.org/attachment.cgi?id=20905) acpidump -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 Zhang Rui changed: What|Removed |Added CC||rui.zh...@intel.com --- Comment #3 from Zh

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 ykzhao changed: What|Removed |Added CC||yakui.z...@intel.com --- Comment #2 from ykzh

[Bug 13048] /sys/class/backlight/acpi_video0/* is gone on vaio laptop with Intel GM45.

http://bugzilla.kernel.org/show_bug.cgi?id=13048 --- Comment #1 from Rodrigo L. Batista 2009-04-09 05:01:20 --- Created an attachment (id=20893) --> (http://bugzilla.kernel.org/attachment.cgi?id=20893) lspci -vv -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ---