External USB C Monitor not working
#2
Similar problem here: I can't use an external monitor. I'm using Debian sid with a 5.7 kernel build following the instructions in kernel build script for latest mainline manjaro kernel.

Kernel: Linux version 5.7.0-0.37-2-pinebookpro-manjaro-kwiboo+

Monitor: NEC EA271Q

dmesg excerpt:

Code:
[  291.513396] cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work [rockchipdrm]] Not connected. Disabling cdn
[  291.714223] cdn-dp fec00000.dp: [drm:cdn_dp_pd_event_work [rockchipdrm]] Not connected. Disabling cdn
[  291.762834] typec_displayport port0-partner.0: No compatible pin configuration found:0000 -> 001c, 001c <- 0000
[  291.948829] usb 7-1: new full-speed USB device number 2 using xhci-hcd
[  292.098881] usb 7-1: device descriptor read/64, error -71
[  292.368838] usb 7-1: device descriptor read/64, error -71
[  292.638791] usb 7-1: new full-speed USB device number 3 using xhci-hcd
[  292.788819] usb 7-1: device descriptor read/64, error -71
[  293.058818] usb 7-1: device descriptor read/64, error -71
[  293.179266] usb usb7-port1: attempt power cycle
[  293.888776] usb 7-1: new full-speed USB device number 4 using xhci-hcd
[  293.889485] usb 7-1: Device not responding to setup address.
[  294.108897] usb 7-1: Device not responding to setup address.
[  294.338827] usb 7-1: device not accepting address 4, error -71
[  294.488742] usb 7-1: new full-speed USB device number 5 using xhci-hcd
[  294.489457] usb 7-1: Device not responding to setup address.
[  294.708827] usb 7-1: Device not responding to setup address.
[  294.928699] usb 7-1: device not accepting address 5, error -71
[  294.929745] usb usb7-port1: unable to enumerate USB device
  Reply


Messages In This Thread
External USB C Monitor not working - by altacus - 06-11-2020, 08:56 PM
RE: External USB C Monitor not working - by v-man - 06-16-2020, 10:35 AM
RE: External USB C Monitor not working - by DrYak - 06-16-2020, 01:24 PM
RE: External USB C Monitor not working - by v-man - 06-16-2020, 02:20 PM
RE: External USB C Monitor not working - by tllim - 06-26-2020, 01:41 PM
RE: External USB C Monitor not working - by wdt - 08-24-2020, 01:33 PM
RE: External USB C Monitor not working - by wdt - 09-03-2020, 10:53 AM
RE: External USB C Monitor not working - by wdt - 10-18-2020, 08:50 PM
RE: External USB C Monitor not working - by DrYak - 11-15-2020, 07:30 PM
RE: External USB C Monitor not working - by jkm - 06-29-2021, 10:34 AM
RE: External USB C Monitor not working - by jkm - 08-02-2021, 07:40 AM

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