[Bug 24097] New: screen backlight off after resume-from-suspend when using ATI KMS

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=24097

           Summary: screen backlight off after resume-from-suspend when
                    using ATI KMS
           Product: xorg
           Version: 7.4
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Keywords: regression
          Severity: major
          Priority: high
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: bryce at canonical.com
         QAContact: xorg-team at lists.x.org
                CC: kees at outflux.net


Forwarding this bug from Ubuntu reporter Kees Cook:
http://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/434956

[Problem]
Resume works normally if I do not boot with "radeon.modeset=1".  Resume
technically works, but the screen never comes back.  I can log in blind and
reboot, etc.

[Original Description]
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  kees       3868 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
Card0.Amixer.info:
 Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with STAC9750,51 at irq 7'
   Mixer name   : 'SigmaTel STAC9750,51'
   Components   : 'AC97a:83847650'
   Controls      : 36
   Simple ctrls  : 23
Date: Tue Sep 22 17:11:01 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=dd5a07c0-5fb9-4c26-8d00-96f85883501f
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 002: ID 413c:8000 Dell Computer Corp. BC02 Bluetooth Adapter
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Dell Computer Corporation Inspiron 8600
Package: linux-image-2.6.31-10-generic 2.6.31-10.34
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.31-10-generic
root=UUID=7c473bb8-1b58-4622-bc01-6fb0ea4f20a8 ro splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8ProcVersionSignature: Ubuntu 2.6.31-10.34-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-10-generic N/A
 linux-firmware 1.19
RfKill:
 1: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
SourcePackage: linux
Uname: Linux 2.6.31-10-generic i686
WpaSupplicantLog:

dmi.bios.date: 06/30/2005
dmi.bios.vendor: Dell Computer Corporation
dmi.bios.version: A14
dmi.board.name: 0D5689
dmi.board.vendor: Dell Computer Corporation
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Computer Corporation
dmi.modalias:
dmi:bvnDellComputerCorporation:bvrA14:bd06/30/2005:svnDellComputerCorporation:pnInspiron8600:pvr:rvnDellComputerCorporation:rn0D5689:rvr:cvnDellComputerCorporation:ct8:cvr:
dmi.product.name: Inspiron 8600
dmi.sys.vendor: Dell Computer Corporation


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