Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934199Ab1ESSu7 (ORCPT ); Thu, 19 May 2011 14:50:59 -0400 Received: from smtp-out.google.com ([216.239.44.51]:5496 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934115Ab1ESSu5 convert rfc822-to-8bit (ORCPT ); Thu, 19 May 2011 14:50:57 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=google.com; s=beta; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; b=vbmghHKsAVuoTKpglJqB04EWjDIm1DXLmDDyByX31IzjVmRYIfwXmmfQIw7fMv3Yk9 3rkgh151ZAgOcbx+oykw== MIME-Version: 1.0 In-Reply-To: References: From: Bjorn Helgaas Date: Thu, 19 May 2011 12:50:35 -0600 Message-ID: Subject: Re: PCI BAR1 Unassigned To: Jan Zwiegers Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1275 Lines: 30 On Thu, May 19, 2011 at 10:28 AM, Jan Zwiegers wrote: > I have the problem below where my PCI card's second BAR does not get > assigned. > What can be the cause of this problem? > The last kernel I tested on which worked OK was 2.6.27. > My current problematic kernel 2.6.35. > > 05:01.0 Unassigned class [ff00]: Eagle Technology PCI-703 Analog I/O Card > (rev 5c) > ? ?Flags: bus master, slow devsel, latency 32, IRQ 22 > ? ?Memory at 93b00000 (type 3, prefetchable) [size=2K] > ? ?Memory at (type 3, prefetchable) > ? ?Capabilities: [80] #00 [0600] > ? ?Kernel modules: pci703drv Could be resource exhaustion or, more likely, we ran out because we now assign resource to things that don't need them, leaving none for things that *do* need them. This sounds like a regression, so we should open a bugzilla for it and attach dmesg logs from 2.6.27 and 2.6.35. Does this problem keep the driver from working? (Sometimes drivers don't actually use all the BARs a device supports.) Bjorn -- 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/