From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 13 Jan 2003 00:46:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 13 Jan 2003 00:46:57 -0500 Received: from 12-231-249-244.client.attbi.com ([12.231.249.244]:39172 "HELO kroah.com") by vger.kernel.org with SMTP id ; Mon, 13 Jan 2003 00:46:56 -0500 Date: Sun, 12 Jan 2003 21:55:52 -0800 From: Greg KH To: Petr.Titera@whitesoft.cz Cc: linux-kernel@vger.kernel.org Subject: Re: Problems with USB Message-ID: <20030113055552.GB3604@kroah.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 12, 2003 at 09:44:42PM +0100, Petr.Titera@whitesoft.cz wrote: > Hello all, > > I have problems with USB in recent kernels (tested on 2.5.56) and > RedHat 8.0. Right after end of script '/etc/rc.d/rc.sysinit' and before > script '/etc/rc.d/rc' which runs after USB daemon khubd gets some signal > and ends. From this point USB does not work as as system does not get any > plug events. If I disable USB at startup and load modules later, everything > works. Can you try this patch that I just added to the USB tree? It seems to work for me. thanks, greg k-h # USB: Fix from Jeff and Pete to keep khubd from being able to be killed # by a signal diff -Nru a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c --- a/drivers/usb/core/hub.c Sun Jan 12 22:03:13 2003 +++ b/drivers/usb/core/hub.c Sun Jan 12 22:03:13 2003 @@ -1085,6 +1085,12 @@ daemonize(); + /* keep others from killing us */ + spin_lock_irq(¤t->sig->siglock); + sigemptyset(¤t->blocked); + recalc_sigpending(); + spin_unlock_irq(¤t->sig->siglock); + /* Setup a nice name */ strcpy(current->comm, "khubd");