Hi Alexander,
On 10/23/2012 12:16 PM, Alexander Tarasikov wrote:
> Another interesting thing I've noticed is that if we disable LX_VERBOSE_DEBUG,
> usb fails to work at all due to timeouts. Turns out, some functions that
> are called around endpoint setup at gadget registration, cause usb to break
> if we disable debugging. The weird thing is that if we insert an mdelay or
> a printk, it still does not work, but if the dde_kit_printf is used with
> color escape
> sequences, that makes it work.
This may have something to do with
https://github.com/genodelabs/genode/issues/332 which is still not
completely fixed, there is a race between the interrupt thread creation
in dde-kit and the driver. Can you try if the attached patch changes
anything?
Greeting,
Sebastian
--
Sebastian Sumpf
Genode Labs
http://www.genode-labs.com · http://genode.org
Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden
Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth
diff --git a/os/src/lib/dde_kit/interrupt.cc b/os/src/lib/dde_kit/interrupt.cc
index b36f2e4..18fa5aa 100644
--- a/os/src/lib/dde_kit/interrupt.cc
+++ b/os/src/lib/dde_kit/interrupt.cc
@@ -68,8 +68,13 @@ class Irq_handler : Dde_kit::Thread, public
Avl_node<Irq_handler>
:
Dde_kit::Thread(_compose_thread_name(irq)),
_irq_number(irq),
_irq(irq), _handler(handler), _init(init), _priv(priv),
- _shared(shared), _handle_irq(1)
- { start(); }
+ _shared(shared), _handle_irq(1), _lock(Lock::LOCKED)
+ {
+ start();
+
+ /* wait until thread is started */
+ Lock::Guard guard(_lock);
+ }
/** Enable IRQ handling */
void enable()
@@ -93,6 +98,9 @@ class Irq_handler : Dde_kit::Thread, public
Avl_node<Irq_handler>
/* call user init function before doing anything else
here */
if (_init) _init(_priv);
+ /* unblock creating thread */
+ _lock.unlock();
+
while (1) {
_irq.wait_for_irq();
------------------------------------------------------------------------------
Everyone hates slow websites. So do we.
Make your web apps faster with AppDynamics
Download AppDynamics Lite for free today:
http://p.sf.net/sfu/appdyn_sfd2d_oct
_______________________________________________
Genode-main mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/genode-main
