Re: Problems with USB

From: Greg KH (greg@kroah.com)
Date: Mon Jan 13 2003 - 00:55:52 EST

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");
 
-
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This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:44 EST