From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Sat, 28 Feb 2004 10:20:14 +0000 Subject: Re: Oops in pdflush Message-Id: <16448.27486.350405.688607@napali.hpl.hp.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Sat, 28 Feb 2004 21:00:54 +1100, Keith Owens said: Keith> Without DavidM's patch to add Keith> ia64_invoke_kernel_thread_helper, pdflush starts with 560 Keith> bytes of stack and 744 bytes of rbs. With Keith> ia64_invoke_kernel_thread_helper, that reduces to 554 bytes Keith> of stack and 272 bytes of rbs. Backtrace with Keith> ia64_invoke_kernel_thread_helper. Cool. Thanks for reporting that and for providing the stack-dump (thanks to Andreas, too, of course). Keith> We need both ia64_invoke_kernel_thread_helper and my patch to pdflush. Keith> Until all architectures have a kernel_thread helper, nested calls to Keith> kernel_thread will chew up stack. Yes, I think so, too. Andrew? --david