Display garbled when connecting external displays
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Unity |
Fix Released
|
High
|
Jay Taoko | ||
unity (Ubuntu) |
Fix Released
|
High
|
Canonical Desktop Experience Team | ||
Natty |
Fix Released
|
Critical
|
Canonical Desktop Experience Team |
Bug Description
This bug tracks different issues impacting systems on the target certification list when running the Unity shell environment in Ubuntu 11.04
The complete list of problems covers:
1. resolution or orientation change in a single monitor setup (Bug #795454)
2. plugging or unplugging an external monitor (Bug #795458)
3. panel disappearing (Bug #795459)
The different issues can occur depending on the GPU brand and driver version used, among the list of recommended configurations:
* for Intel cards, the default opensource driver shipped in Ubuntu
* for Nvidia cards, the default closed-source driver shipped in Ubuntu
* for ATI cards supported by the fglrx driver, the fglrx driver shipped in Ubuntu 11.04
* for ATI cards not supported by the fglrx driver, the radeon driver shipped in Ubuntu 11.04
The original issue with resolution changes has been fixed the 27th of April - https:/
The affected systems include:
Sony VGN-Z540
Dell Inspiron 1545
Dell Vostro 3300
Dell Vostro 3500
Dell Vostro 3700 (2 affected systems)
Dell Latitude 2110
Dell Latitude 13
Dell Vostro 3400
Dell Vostro V13 (2 affected systems)
Toshiba Tecra R700
HP ProBook 6550b
Toshiba Tecra R850 (Intel)
Toshiba Tecra R850 (ATI)
Acer Aspire One
Dell Mini 10
Lenovo Thinkpad x220
Lenovo Thinkpad T420s
affects: | xorg (Ubuntu) → xorg-server (Ubuntu) |
tags: | added: blocks-hwcert |
tags: | added: regression |
Changed in unity: | |
status: | New → Confirmed |
Changed in unity (Ubuntu Natty): | |
assignee: | Canonical Platform QA Team (canonical-platform-qa) → Canonical Desktop Experience Team (canonical-dx-team) |
milestone: | none → ubuntu-11.04 |
Changed in unity: | |
importance: | Undecided → High |
milestone: | none → 3.8.12 |
Changed in unity: | |
assignee: | nobody → Jay Taoko (jaytaoko) |
Changed in unity (Ubuntu Natty): | |
milestone: | ubuntu-11.04 → natty-updates |
Changed in unity: | |
status: | Fix Committed → Fix Released |
description: | updated |
Changed in unity: | |
milestone: | 3.8.12 → 3.8.14 |
status: | Fix Released → Confirmed |
Changed in unity: | |
milestone: | 3.8.14 → 3.8.16 |
description: | updated |
summary: |
- Display garbled upon restoring original resolution or connecting - external displays + Display garbled when connecting external displays |
description: | updated |
description: | updated |
Affected systems include:
Sony VGN-Z540
Dell Inspiron 1545
Dell Vostro 3300
Dell Vostro 3500
Dell Vostro 3700 (2 affected systems)
Dell Latitude 2110
Dell Latitude 13
Dell Vostro 3400
Dell Vostro V13 (2 affected systems)
Toshiba Tecra R700
HP ProBook 6550b
Toshiba Tecra R850 (Intel)
Toshiba Tecra R850 (ATI)
Acer Aspire One
Dell Mini 10
If needed, I can upload configuration data and debugging output from these systems too. Don't hesitate to let me know, these systems are used primarily for testing so we're available to provide any needed information.