Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754016AbcJDM10 (ORCPT ); Tue, 4 Oct 2016 08:27:26 -0400 Received: from mail-ua0-f171.google.com ([209.85.217.171]:36314 "EHLO mail-ua0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751892AbcJDM1X (ORCPT ); Tue, 4 Oct 2016 08:27:23 -0400 MIME-Version: 1.0 From: =?UTF-8?Q?J=C3=B6rg_Otte?= Date: Tue, 4 Oct 2016 14:27:21 +0200 Message-ID: Subject: Problem with VMAP_STACK=y To: Linux Kernel Mailing List , Andy Lutomirski Cc: Linus Torvalds , Ingo Molnar Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id u94CRX9O007556 Content-Length: 295 Lines: 10 With kernel 4.8.0-01558-g21f54dd I get thousands of "dvb-usb: bulk message failed: -11 (1/0)" messages in the logs and the DVB adapter is not working. It tourned out the new config option VMAP_STACK=y (which is the default) is the culprit. No problems for me with VMAP_STACK=n. Thanks, Jörg