Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759168AbYGKOQh (ORCPT ); Fri, 11 Jul 2008 10:16:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753481AbYGKOQ2 (ORCPT ); Fri, 11 Jul 2008 10:16:28 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:50258 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752106AbYGKOQ1 (ORCPT ); Fri, 11 Jul 2008 10:16:27 -0400 Date: Fri, 11 Jul 2008 10:16:26 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Andrey Borzenkov cc: Linus Torvalds , David Brownell , Andrew Morton , "Rafael J. Wysocki" , Linux Kernel Mailing List , , Greg Kroah-Hartman Subject: Re: All 2.6.26-rcX hang immediately after loading ohci_hcd In-Reply-To: <200807110903.48500.arvidjaar@mail.ru> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1176 Lines: 33 [If nobody minds, after this message I will remove everything except linux-usb from the CC: list.] On Fri, 11 Jul 2008, Andrey Borzenkov wrote: > On Sunday 06 July 2008, Alan Stern wrote: > > There doesn't seem to be much choice. > > > > As I recall, the consequences of leaving the old code were that > > sometimes a suspend or a resume wouldn't work as expected. That's > > better than hanging the entire system -- but on the other hand, it > > would affect more people. > > > > Andrey, when you have time I'd like to do some more debugging to find > > out exactly what's going wrong. > > > > Let me know what you need. I am still running rc8 but may update if needed. That's good; it'll help initially to test a system with the bug present. To start with, add a printk near the start of ohci_irq() in ohci-hcd.c. Have it display in hex the value of "ints", immediately after the ohci_readl() call. Alan Stern -- 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/