Bug 1631880
| Summary: | Xorg defaults to clone mode if the monitor cable/connector can't handle the preferred mode | ||||||
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| Product: | Red Hat Enterprise Linux 7 | Reporter: | Ray Strode [halfline] <rstrode> | ||||
| Component: | xorg-x11-server | Assignee: | Adam Jackson <ajax> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Desktop QE <desktop-qa-list> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 7.6 | CC: | lmiksik, tpelka | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | xorg-x11-server-1.20.1-3.el7 | Doc Type: | If docs needed, set a value | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2018-10-30 08:03:01 UTC | Type: | Bug | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Looks sane to me. Seems to be ok, was not able to reproduce on fixed rpm. Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2018:3059 |
Created attachment 1485774 [details] try harder to span instead of clone I have a 4k monitor that only likes to do 1080p over the HDMI cable. In this scenario Xorg picks clone mode instead of the much more useful spanning mode. The attached patch makes it come up in a spanned configuration.