usb keyboard attach crashes process usb0 (under FreeBSD4.11)

Eugene Grosbein eugen at kuzbass.ru
Tue Apr 3 11:38:50 UTC 2007


On Tue, Apr 03, 2007 at 09:31:05AM +0000, Norbert Koch wrote:

> First of all, I understand that there is no interest here in solving
> FreeBSD 4.11 problems. I only post this because there
> may be a chance that this could be a problem in CURRENT too.
> (If no, may be someone likes to dive into ancient software bugs ;-)
> 
> I am running an embedded system under FreeBSD 4.11.
> Sometimes after booting FreBSD the USB keyboard is not found
> and so not automatically attached by usbd.
> If I then unplug the keyboard and plug it in again the
> kernel crashes with page fault in process 3 (usb0).

You didn't mention are you running 4.11-RELEASE or 4.11-STABLE.
If you are using RELEASE then you definitely should try latest 4.11-STABLE,
because there were lots of anti-panic fixes to RELENG_4 for USB subsystem
aftere 4.11-RELEASE.

Eugene Grosbein


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