Re: Problems with USB

[Greg KH <greg@kroah.com>]

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(&current->sig->siglock);
+	sigemptyset(&current->blocked);
+	recalc_sigpending();
+	spin_unlock_irq(&current->sig->siglock);
+
 	/* Setup a nice name */
 	strcpy(current->comm, "khubd");