Public bug reported:
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.
** Affects: ubuntu
Importance: Undecided
Status: New
** Description changed:
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 Thunderbolt/VGA adapter is plugged in dmesg reports 15 instances of:
- [drm:intel_dp_i2c_aux_ch] *ERROR* too many retries, giving up
+ 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: Thunderbolt to VGA adaptor
+ Display configuration: Apple Display Port to VGA adaptor
Ubuntu version: 13.04 beta.
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https://bugs.launchpad.net/bugs/1165965
Title:
External display stopped working on MacBook Air
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