Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752638Ab0LFAL1 (ORCPT ); Sun, 5 Dec 2010 19:11:27 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:55214 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751827Ab0LFAL0 (ORCPT ); Sun, 5 Dec 2010 19:11:26 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=GvOejhTkroiDLXyDfAURWcLSf5aojt5i5ZsebMiScjkMd/xc2xYkASUPr0Yw7iTuOp dzwOtG0YFexVxG/5VLCACaHU26Burn54M5UFuEHTC7+9ROSCpWC9H1uiTSx0BU/WNzvV qxJ2hNLslLxSLZgcuhArUJuthYl9fSkaU7+pQ= Subject: Re: Issue with firewire from 2.6.35.9 to 2.6.36.1 From: Maxim Levitsky To: Robin Cook Cc: linux-kernel@vger.kernel.org, linux1394-devel , Stefan Richter In-Reply-To: <1291592226.7134.1.camel@pheuri.wyrms.net> References: <1291592226.7134.1.camel@pheuri.wyrms.net> Content-Type: text/plain; charset="UTF-8" Date: Mon, 06 Dec 2010 02:11:19 +0200 Message-ID: <1291594279.9196.2.camel@maxim-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2099 Lines: 60 On Sun, 2010-12-05 at 17:37 -0600, Robin Cook wrote: > Hello, > > I recently upgraded from 26.35.9 to 2.6.36.1 and now the /dev/fwX > devices are not being created. I have udev 164 installed. > > 2.6.35.9 dmesg firewire lines... > > firewire_ohci 0000:07:00.0: PCI INT A -> GSI 44 (level, low) -> IRQ 44 > firewire_ohci 0000:07:00.0: setting latency timer to 64 > firewire_ohci: Added fw-ohci device 0000:07:00.0, OHCI v1.10, 4 IR + 8 IT contexts, quirks 0x1 > firewire_core: created device fw0: GUID 0010dc0001adc862, S400 > firewire_core: created device fw1: GUID 00808803072803a5, S100 > firewire_core: phy config: card 0, new root=ffc1, gap_count=5 > > 2.6.36.1 dmesg firewire lines... > > firewire_ohci 0000:07:00.0: PCI INT A -> GSI 44 (level, low) -> IRQ 44 > firewire_ohci 0000:07:00.0: setting latency timer to 64 > firewire_ohci 0000:07:00.0: irq 75 for MSI/MSI-X > firewire_ohci: Added fw-ohci device 0000:07:00.0, OHCI v1.10, 4 IR + 8 IT contexts, quirks 0x1 > > I have compared the difference between the two kernel configs and the > only differences that I see that may apply to the firewire are: > > CONFIG_DNOTIFY=y > -CONFIG_INOTIFY=y > CONFIG_INOTIFY_USER=y > > # CONFIG_IEEE1394 is not set > +CONFIG_FIREWIRE_NOSY=m > CONFIG_I2O=m > > On the ieee1394 wiki page it says that these kernel option are expected > to be on for the libraw1394: > > CONFIG_INOTIFY=y > CONFIG_INOTIFY_USER=y > CONFIG_EPOLL=y > > These option are correct in the 2.6.35.9 kernel but the CONFIG_INOTIFY > option is missing completely in the 2.6.36.1 kernel. > > Is this a change in how the firewire works in the kernel and that udev > needs to be modified or is there something else wrong? CC'ed linux1394-devel It looks like now firewire stack doesn't discover any devices? I don't think its Kconfig issue. Best regards, Maxim Levitsky -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/