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Message #31591
[Bug 1165965] Re: 8086:0166 [MacBookAir5, 2] External display stopped working
Michael Paddon, could you please confirm this issue exists with the
latest development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please just make a comment to this.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1165965
Title:
8086:0166 [MacBookAir5,2] External display stopped working
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
After upgrading to 13.04 beta, my external monitor is no longer
detected/driven. This works perfectly under 12.10, and is therefore a
major regression impacting common use cases.
When the Display Port/VGA adapter is plugged in dmesg reports 15 instances of:
[drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up
Hardware: MacBook Air 2012
Display configuration: Apple Display Port to VGA adaptor
Ubuntu version: 13.04 beta.
---
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
DistroRelease: Ubuntu 13.04
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-07-24 (258 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MarkForUpload: True
Package: linux (not installed)
Tags: raring
Uname: Linux 3.9.0-030900rc6-generic x86_64
UnreportableReason: The running kernel is not an Ubuntu kernel
UpgradeStatus: Upgraded to raring on 2013-04-07 (2 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
---
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mwp 3892 F.... pulseaudio
DistroRelease: Ubuntu 13.10
EcryptfsInUse: Yes
InstallationDate: Installed on 2012-07-24 (453 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MachineType: Apple Inc. MacBookAir5,2
MarkForUpload: True
NonfreeKernelModules: wl
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-12-generic root=UUID=6556813f-c877-4988-bde5-24ac4ec74444 ro nointremap quiet splash i915.i915_enable_rc6=1 vt.handoff=7
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
RelatedPackageVersions:
linux-restricted-modules-3.11.0-12-generic N/A
linux-backports-modules-3.11.0-12-generic N/A
linux-firmware 1.116
Tags: saucy
Uname: Linux 3.11.0-12-generic x86_64
UpgradeStatus: Upgraded to saucy on 2013-10-21 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 05/22/2012
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA51.88Z.00EF.B00.1205221442
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-2E6FAB96566FE58C
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir5,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-2E6FAB96566FE58C
dmi.modalias: dmi:bvnAppleInc.:bvrMBA51.88Z.00EF.B00.1205221442:bd05/22/2012:svnAppleInc.:pnMacBookAir5,2:pvr1.0:rvnAppleInc.:rnMac-2E6FAB96566FE58C:rvrMacBookAir5,2:cvnAppleInc.:ct10:cvrMac-2E6FAB96566FE58C:
dmi.product.name: MacBookAir5,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
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