From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ata, pcmcia: problem with irq and ata_dev_read_id() Date: Mon, 05 Jul 2010 10:52:01 +0200 Message-ID: <4C319D31.60705@gmail.com> References: <4C034FAE.9090605@denx.de> <4C044C8F.8050406@gmail.com> <4C2833B2.3040209@denx.de> <4C2DFF43.6050502@gmail.com> <4C319741.3060602@denx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bw0-f46.google.com ([209.85.214.46]:63744 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753768Ab0GEIwJ (ORCPT ); Mon, 5 Jul 2010 04:52:09 -0400 Received: by bwz1 with SMTP id 1so2565593bwz.19 for ; Mon, 05 Jul 2010 01:52:07 -0700 (PDT) In-Reply-To: <4C319741.3060602@denx.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: hs@denx.de Cc: Robert Hancock , Jeff Garzik , linux-ide@vger.kernel.org On 07/05/2010 10:26 AM, Heiko Schocher wrote: > IRQ 26: too many spurious IRQs, disabling and polling for 10k 10msec intervals. > IRQ 26: system performance may be affected > handlers: > [] (ata_sff_interrupt+0x0/0x204) Yeah, that's the new polling code kicking in. If the IRQ problem doesn't persiste (which should be the case here), polling will step down after a while and everything will return to normal. If you keep the system running more than ten minutes and use the CF device, does the kernel complain anymore? Thanks. -- tejun