From: Henrik Rydberg <rydberg@euromail.se>
To: Luo Jinghua <sunmoon1997@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-input@vger.kernel.org
Subject: Re: [PATCH] input: bcm5974 turn wellspring mode off if failed to start traffic
Date: Wed, 02 Jun 2010 11:27:45 +0200 [thread overview]
Message-ID: <4C062411.10409@euromail.se> (raw)
In-Reply-To: <AANLkTil4cysRYD9Ofx9vnuU7B4z8yw1fYOJ5VF7A4d-P@mail.gmail.com>
Luo Jinghua wrote:
[...]
> So the error code is the ENOSPC.
Interesting. A couple of years back, there were a few reports on strange usb
behavior on Macbooks that turned out to be a hardware problem, a bad internal
usb connector. Could that be the case here?
Since ENOSPC is pretty rare, narrowing it down code-wise seems possible. It
could for instance be this path happening:
usb_submit_urb
usb_hcd_submit_urb
hcd->driver->urb_enqueue
ehci_urb_enqueue
intr_submit
qh_schedule
fail
Henrik
prev parent reply other threads:[~2010-06-02 9:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-01 19:45 [PATCH] input: bcm5974 turn wellspring mode off if failed to start traffic Luo Jinghua
2010-06-02 7:35 ` Dmitry Torokhov
[not found] ` <AANLkTil4cysRYD9Ofx9vnuU7B4z8yw1fYOJ5VF7A4d-P@mail.gmail.com>
2010-06-02 9:27 ` Henrik Rydberg [this message]
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