| Summary: | Kernel crashes when power cycling MST monitor on Thinkpad T450s, HD Graphics 5500 [8086:1616] | ||||||
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| Product: | Red Hat Enterprise Linux 7 | Reporter: | Vasiliy Sharapov <vsharapo> | ||||
| Component: | xorg-x11-drv-intel | Assignee: | Lyude <lyude> | ||||
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Desktop QE <desktop-qa-list> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 7.3 | CC: | lyude, tpelka, vsharapo | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2017-08-08 12:44:51 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: | |||||
| Bug Depends On: | |||||||
| Bug Blocks: | 1394840 | ||||||
| Attachments: |
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No more crash in: RHEL-7.4-20170727.n.0 xorg-x11-server-Xorg-1.19.3-11.el7.x86_64 xorg-x11-drv-ati-7.7.1-3.20160928git3fc839ff.el7.x86_64 kernel-3.10.0-693.el7.x86_64 linux-firmware-20170606-56.gitc990aae.el7.noarch mesa-dri-drivers-17.0.1-6.20170307.el7.x86_64 libdrm-2.4.74-1.el7.x86_64 |
Created attachment 1208277 [details] vmcore-dmesg.txt Description of problem: Kernel crashes when an MST-capable monitor plugged into the T450s's mini-DP port is power cycled. Version-Release number of selected component (if applicable): RHEL-7.3-20160929.5 xorg-x11-server-Xorg-1.17.2-22.el7.x86_64 xorg-x11-drv-intel-2.99.917-22.20151206.el7.x86_64 kernel-3.10.0-511.el7.x86_64 linux-firmware-20160830-49.git7534e19.el7.noarch package mesa is not installed mesa-dri-drivers-11.2.2-2.20160614.el7.x86_64 package xorg-x11-glamor is not installed How reproducible: 100% Steps to Reproduce: 1. Power on a T450s with a Dell P2415Q MST-capable display plugged in. (There doesn't need to be a display daisy-chained via MST) 2. Try hotplugging the mini-DP port on the T450s, there should be no crashes 3. Try power cycling the MST display either via the power button or the display's power cord Actual results: kernel crashes Expected results: same effect as hotplugging the display Additional info: