From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from nommos.sslcatacombnetworking.com (nommos.sslcatacombnetworking.com [67.18.224.114]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id B25486884E for ; Fri, 16 Dec 2005 02:47:02 +1100 (EST) In-Reply-To: <1134655801.5787.1.camel@localhost> References: <1134569118.3875.9.camel@localhost> <17312.38814.551675.906916@cargo.ozlabs.ibm.com> <4590.131.234.232.31.1134639886.squirrel@secure.sipsolutions.net> <44B795CA-E338-4AAC-937D-F2EEA5E27EB9@kernel.crashing.org> <1134655801.5787.1.camel@localhost> Mime-Version: 1.0 (Apple Message framework v746.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: From: Kumar Gala Date: Thu, 15 Dec 2005 09:47:05 -0600 To: Johannes Berg Cc: linuxppc-dev@ozlabs.org Subject: Re: illegal instructions / irqs disabled warning List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Dec 15, 2005, at 8:10 AM, Johannes Berg wrote: > On Do, 2005-12-15 at 08:04 -0600, Kumar Gala wrote: > >> Out of interest, is there a reason you dont handle the emulation in >> user space? > > I'm not even interested in emulating that at all, the kernel just > checked if it could emulate it (couldn't, so my program died with > SIGILL)... > To tell the truth, I was just testing what would happen and wrote a > buggy program. Ahh, you should check out LTP its got some tests like this which generate random instruction images and see what happens. Helps finding kernel bugs. - kumar