From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga01.intel.com ([192.55.52.88]:47355 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755622Ab1BNPxh (ORCPT ); Mon, 14 Feb 2011 10:53:37 -0500 Subject: Re: [PATCH v2] iwlwifi: fix dma mappings and skbs leak From: wwguy To: Stanislaw Gruszka Cc: Intel Linux Wireless , "linux-wireless@vger.kernel.org" In-Reply-To: <1297693947-15310-1-git-send-email-sgruszka@redhat.com> References: <1297693947-15310-1-git-send-email-sgruszka@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 14 Feb 2011 07:51:36 -0800 Message-ID: <1297698696.4723.16.camel@wwguy-ubuntu> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, 2011-02-14 at 06:32 -0800, Stanislaw Gruszka wrote: > Since commit commit 470058e0ad82fcfaaffd57307d8bf8c094e8e9d7 > "iwlwifi: avoid Tx queue memory allocation in interface down" we do > not unmap dma and free skbs when down device and there is pending > transfer. What in consequence may cause that system hung when > performing shutdown at iptables module unload. > > Signed-off-by: Stanislaw Gruszka > --- > v1 -> v2: do not claim patch fixes warning, which is still > observable with patch applied > > drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 12 +++++- > drivers/net/wireless/iwlwifi/iwl-core.h | 2 + > drivers/net/wireless/iwlwifi/iwl-tx.c | 61 ++++++++++++++++++++-------- > 3 files changed, 56 insertions(+), 19 deletions(-) Are you still seeing the "warning" Wey