[Bug 221337] New: Regression: USB webcam (0bda:636e) fails to resume from suspend on 7.0.0-rc6

bugzilla-daemon
2026-04-08T18:37:45Z

Bug ID: 221337
Summary: Regression: USB webcam (0bda:636e) fails to resume
from suspend on 7.0.0-rc6
Product: Drivers
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: USB
Assignee: drivers_usb@kernel-bugs.kernel.org
Reporter: chromechris@gmail.com
Regression: No

USB webcam (Realtek 0bda:636e, "ASUS 5M webcam" by Shinetech) fails to
resume from suspend on kernel 7.0.0-rc6. The device disconnects after
resume and does not reappear until reboot.

Kernel log on resume:
usb 1-1: PM: dpm_run_callback(): usb_dev_resume returns -22
usb 1-1: PM: failed to resume async: error -22
usb 1-1: USB disconnect, device number 2

The device works correctly on a fresh boot and across suspend/resume
on kernel 6.19.11.

Hardware: ASUS ROG Flow Z13 (GZ302EA), AMD Strix Halo
Working kernel: 6.19.11-1-cachyos
Broken kernel: 7.0.0-rc6-1-cachyos-rc
Distribution: CachyOS