View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0005447 | Rocky-Linux-8 | kernel | public | 2024-01-19 12:33 | 2024-01-19 12:33 |
| Reporter | Enno Friese | Assigned To | |||
| Priority | high | Severity | major | Reproducibility | always |
| Status | new | Resolution | open | ||
| Platform | Alder Lake | OS | Rocky Linux | OS Version | 8.9 |
| Summary | 0005447: USB-C display shows no picture after different power mode situations on Intel Alder Lake. | ||||
| Description | USB-C display shows no picture after different power mode situations on Intel Alder Lake. • Wakeup from GNOME lock screen • Wakeup from Standby (Suspend-to-RAM) • Wakeup from Hibernation (Suspend-to-Disk) • Hot-Plug of USB-C cable When a DisplayPort display is attached in parallel, the picture is shown as expected. With Red Hat/CentOS/Rocky Linux 9, we do not observe there errors. | ||||
| Steps To Reproduce | • Wakeup from GNOME lock screen Start Rocky Linux Login as normal user Press Win+L Wait a couple of seconds Move mouse Display turns on but show no picture • Wakeup from Standby (Suspend-to-RAM) • Wakeup from Hibernation (Suspend-to-Disk) Start Rocky Linux Login as normal user Send system to Standby Wait a couple of seconds Press Power Button Display turns on but show no picture • Hot-Plug of USB-C cable Self explaning | ||||
| Additional Information | Following errors are found in the logs in different situation. [ 127.446234] i915 0000:00:02.0: [drm] ERROR Link Training Unsuccessful i915 0000:00:02.0: [drm] ERROR [ENCODER:253:DDI TC1/PHY TC1][DPRX] Failed to enable link training kernel: i915 0000:00:02.0: [drm] ERROR Link Training Unsuccessful /usr/libexec/gdm-x-session[2105]: (EE) modeset(0): failed to set mode: Invalid argument /usr/libexec/gdm-x-session[2105]: (WW) modeset(0): hotplug event: connector 254's link-state is BAD, tried resetting the current mode. You may be leftwith a black screen if this fails... [ 7194.418513] i915 0000:00:02.0: [drm] ERROR Failed to read DPCD register 0x92 | ||||
| Tags | No tags attached. | ||||
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2024-01-19 12:33 | Enno Friese | New Issue |
