From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <17485.23369.946413.882252@cargo.ozlabs.ibm.com> Date: Tue, 25 Apr 2006 09:12:09 +1000 From: Paul Mackerras To: Olaf Hering Subject: Re: alignment exceptionhandler sleeps in invalid context In-Reply-To: <20060424173246.GA22318@suse.de> References: <20060424173246.GA22318@suse.de> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Olaf Hering writes: > I'm not sure where the bug is. Does it mean the network stack does > something nasty, or is the exception handler itself broken? (probably the latter) > This is 2.6.16.9 on a p270. The alignment handler does a get_user to read the instruction. I suppose it will have to read the instruction directly if the exception occurred in kernel mode. Paul.