On Mon, Apr 12, 2004 at 10:34:13PM -0400, Jesse Sheidlower wrote: > > I'm new to this kernel-module thing, so I hope this isn't > a silly question. > > I'm using FreeBSD 5.2 on a laptop running ACPI, and like > many others have had suspend/resume problems with the > USB dying on resume. I saw a suggestion somewhere that > you could remove USB support from the kernel, and add it > in via a .ko file at boot time; this way, you could have > an rc.suspend and rc.resume that unloads/loads the USB > module appropriately and perhaps avoid the problems. > > I'm not entirely sure how to do this. First, I note > that the "device usb" line in the kernel configuration > file has a "Required" note in it, and I'm nervous about > removing something that says "Required". > > Second, while I have a usb.ko file under /boot/kernel/, if I > type "kldload usb", I get a "can't load usb: File exists" > message, but if I try "kldunload usb", I get "can't find file > usb: No such file or directory". I might have expected a > different message if usb is loaded as part of the kernel. If I > want to enable it at boot, do I just add "usb_load="YES"" to > /boot/loader.conf ? > > So to summarize, I guess my questions are: > > 1) Can I comment out "device usb" from my kernel config and > then rebuild the kernel, without causing some big problem?
Responding to myself, the answer is "no"; removing "device usb" from the kernel config causes errors at "make", so I had to go back. I still can't seem to load or unload usb as a module. Any suggestions welcome. Jesse Sheidlower > 2) To load at boot, do I just add "usb_load="YES"" to > /boot/loader.conf ? > > 3) Will doing what I described help with the USB problems > on suspend/resume? _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
