[Bug 254974] Corsair K95 RGB PLATINUM gaming keyboard not working

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Sat Apr 17 09:41:05 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254974

--- Comment #18 from Vladimir Kondratyev <wulf at freebsd.org> ---
(In reply to Loïc Bartoletti from comment #17)
Do you have crash dump available?

If no than we can try to boot with crashed /boot/loader.conf but with
"hw.usb.usbhid.enable=1" line commented out.

Than collect output of following commands

# kgdb /boot/kernel/kernel /dev/mem

(kgdb) info line *0xffffffff821134d8

Also, install sysutils/usbhid-dump and run usbhid-dump utility (it will detach
all usb devices, so you need pipe output to file or replug usb kbd or ssh or
ps/2 keyboard)

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