Bug 96551
| Summary: | VGA black screen | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | saiveny |
| Component: | Video(DRI - Intel) | Assignee: | intel-gfx-bugs (intel-gfx-bugs) |
| Status: | RESOLVED OBSOLETE | ||
| Severity: | high | CC: | intel-gfx-bugs |
| Priority: | P1 | ||
| Hardware: | Intel | ||
| OS: | Linux | ||
| Kernel Version: | 3.14.33 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: | dmesg log | ||
We seem to have neglected this bug. Apologies. If the problem persists with latest kernels, please file a bug at the freedesktop.org bugzilla [1], referencing this bug. Thank you. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel |
Created attachment 173801 [details] dmesg log I have a issue with VGA black screen but mouse cursor exists when switch Display to VGA only. Environment : CPU : Intel(R) Celeron(R) CPU N2807 @ 1.58GHz OS : Base on Ubuntu 14.04 kernel version : 3.14.33 xserver-xorg-video-intel : 2:2.99.911 Display : A LCD panel(xrandr name is eDP1) and a VGA port (xrandr name is VGA1) Test Step : 1. Open Terminal(Default output is LCD panel) 2.Type command : xrandr --output eDP1 --off --output VGA1 --mode 1920x1080 Switch display to VGA only 3.Type command : xrandr --output eDP1 --mode 1366x768 --output VGA1 --off Switch display to LCD panel only 4.Repeat Step2 and Step3, sometimes, it cause VGA black screen but mouse cursor exists when using Step 2 command. The failure rate is 7/10 Is there a way to resolve this issue? Thanks.