Messages in this thread Patch in this message | | | Subject | Re: Problems with USB | From | Petr.Titera@whitesof ... | Date | Mon, 13 Jan 2003 09:13:44 +0100 |
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Hello,
yes it look that this patch can work. But who send that signal. I tried to hack kernel to print signal number and it looks, that khubd gets SIGHUP.
Petr Titera petr.titera@whitesoft.cz
Greg KH <greg@kroah.co To: Petr.Titera@whitesoft.cz m> cc: linux-kernel@vger.kernel.org Fax to: 13.01.2003 Subject: Re: Problems with USB 06:55
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");
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