From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265135AbUEYVwA (ORCPT ); Tue, 25 May 2004 17:52:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265131AbUEYVuT (ORCPT ); Tue, 25 May 2004 17:50:19 -0400 Received: from mx1.redhat.com ([66.187.233.31]:65152 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S265111AbUEYVtn (ORCPT ); Tue, 25 May 2004 17:49:43 -0400 Date: Tue, 25 May 2004 14:47:59 -0700 From: "David S. Miller" To: "Feldman, Scott" Cc: marcelo.tosatti@cyclades.com, doug@easyco.com, linux-kernel@vger.kernel.org, cramerj@intel.com, john.ronciak@intel.com, ganesh.venkatesan@intel.com, jgarzik@pobox.com Subject: Re: Hard Hang with __alloc_pages: 0-order allocation failed (gfp=0x20/1) - Not out of memory Message-Id: <20040525144759.0e51cfd9.davem@redhat.com> In-Reply-To: References: X-Mailer: Sylpheed version 0.9.10 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 25 May 2004 14:20:23 -0700 "Feldman, Scott" wrote: > Marcelo Tosatti wrote: > > > It seems we are calling alloc_skb(GFP_KERNEL) from inside an > > interrupt handler. Oops. > > We're calling dev_alloc_skb() from hard interrupt context, but it uses > GFP_ATOMIC, not GFP_KERNEL, so this is OK, right? I don't see the > problem with e1000. Neither do I, where is the detailed backtrace of this GFP_KERNEL allocation supposedly from interrupt context?