Subject: Re: umass problems with camera
To: Steven M. Bellovin <>
From: Lennart Augustsson <>
List: current-users
Date: 11/06/2003 10:23:15
Steven M. Bellovin wrote:

> Is this the cause of USB mass storage devices silently doing nothing 
> useful when they're plugged in?  I'm glad it's been found, and a 
> message is better than nothing, but is a better fix possible?  In 
> particular, is there some way that that some amount of space can be 
> reserved at boot time for later use by USB storage devices?
It could be fixed properly in the USB code, but that's more work
than I have time for at the moment.
All it's trying to allocate is 64K of contiguous memory.  That didn't
seem to be a problem in the olden days.  I'm not sure when it changed.
Maybe with UVM or UBC.

	-- Lennart