https://bugzilla.kernel.org/show_bug.cgi?id=207219 --- Comment #15 from William Bader (williambader@xxxxxxxxxxx) --- Created attachment 288811 --> https://bugzilla.kernel.org/attachment.cgi?id=288811&action=edit logs from /sys/kernel/debug/usb/usbmon/3u and 4u I made the logs. Here is what I did: use make menuconfig to set CONFIG_USB_EHCI_HCD=m CONFIG_USB_OHCI_HCD=m CONFIG_USB_OHCI_HCD_PCI=m CONFIG_USB_UHCI_HCD=m CONFIG_USB_XHCI_HCD=m CONFIG_USB_XHCI_PCI=m build, install, and cold boot with new kernel confirm no /dev/video rename /lib/modules/$(uname -r)/kernel/drivers/usb/host/ehci-pci.ko sudo mkinitrd --force /boot/initramfs-$(uname -r).img $(uname -r) Creating: target|kernel|dracut args|basicmodules dracut-install: could not get modinfo from 'ehci_pci': No such file or directory ls -l /boot 35318679 Apr 28 21:34 initramfs-5.6.6.localversion14.img <- before 35314182 Apr 28 21:43 initramfs-5.6.6.localversion14.img <- after cold reboot I did not have a mouse. I could log into Mate desktop but I couldn't find a way to launch an xterm. Switch to a text console. no /dev/video cat /sys/kernel/debug/usb/usbmon/3u > usbmon3.txt & cat /sys/kernel/debug/usb/usbmon/4u > usbmon4.txt & lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub restore ehci-pci.ko insmod /lib/modules/$(uname -r)/kernel/drivers/usb/host/ehci-pci.ko the mouse is working but still no /dev/video Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 003 Device 006: ID 0489:e036 Foxconn / Hon Hai Bus 003 Device 007: ID 05ca:18c0 Ricoh Co., Ltd <- webcam Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 004 Device 003: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse echo 0 >/sys/bus/usb/devices/3-1/bConfigurationValue echo 1 >/sys/bus/usb/devices/3-1/bConfigurationValue the webcam is working -- You are receiving this mail because: You are watching the assignee of the bug.
