Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753120AbYGVHrt (ORCPT ); Tue, 22 Jul 2008 03:47:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752010AbYGVHrl (ORCPT ); Tue, 22 Jul 2008 03:47:41 -0400 Received: from smtp-out002.kontent.com ([81.88.40.216]:43595 "EHLO smtp-out002.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751891AbYGVHrk (ORCPT ); Tue, 22 Jul 2008 03:47:40 -0400 From: Oliver Neukum Organization: NOvell To: Nikola Ciprich Subject: Re: 2.6.22: USB getting stuck on SuperMicro PDSME+ boards Date: Tue, 22 Jul 2008 09:48:27 +0200 User-Agent: KMail/1.9.9 Cc: linux-kernel@vger.kernel.org, nikola.ciprich@linuxbox.cz, linux-usb@vger.kernel.org References: <20080722074357.GC21035@develbox.linuxbox.cz> In-Reply-To: <20080722074357.GC21035@develbox.linuxbox.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200807220948.28649.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 993 Lines: 18 Am Dienstag 22 Juli 2008 09:43:57 schrieb Nikola Ciprich: > I'm observing the problem even on machines without any USB devs attached. > Unfortunately I wasn't able to reproduce the problem on my testing machines I have > on my disposal here (yet, but I'm still trying), and it's not affecting all PDSME+ boards we have deployed. > The problem appeared after upgrading machines to 2.6.24 kernels, we haven't observed it on 2.6.21 we used before. > On affected machines, kernel doesn't emit any OOPS, or anything else which could help to track. It just stops working after some time. Try to get a sysrq-t trace when it happens again. We need to know which lock it hangs on. Also can you try 2.6.26? The bug may already be fixed. Regards Oliver -- 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/