From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from pippin.tausq.org (gandalf.tausq.org [64.81.244.94]) by dsl2.external.hp.com (Postfix) with ESMTP id D2E2D4829 for ; Sun, 8 Dec 2002 22:08:57 -0700 (MST) Date: Sun, 8 Dec 2002 21:12:14 -0800 From: Randolph Chung To: John David Anglin Cc: carlos@baldric.uwo.ca, parisc-linux@lists.parisc-linux.org Message-ID: <20021209051214.GK21187@tausq.org> Reply-To: Randolph Chung References: <20021208232601.GH21187@tausq.org> <200212082355.gB8NtUAe010825@hiauly1.hia.nrc.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200212082355.gB8NtUAe010825@hiauly1.hia.nrc.ca> Subject: [parisc-linux] Re: Trap handler Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: In reference to a message from John David Anglin, dated Dec 08: > > > I just happened to notice that the system almost totally stalled running > > > the test. The load average jumps from 1 to about 9. You just have to > > > compile and run to see the effect. Line 127 writes to unmapped memory > > > and causes multiple entries in /var/log/debug. > > > > Dave, can you send the test program and details to the list? i didn't > > see the beginning of this thread and am not sure which program you are > > refering to. > > Here it is. well, something is just very broken, even this simple code triggers the bug: int main(int argc, char **argv) { int *p = 0; return *p; } the kernel goes nuts trying to page fault continuously. :-( randolph -- Randolph Chung Debian GNU/Linux Developer, hppa/ia64 ports http://www.tausq.org/