linux-kernel - Re: tty: usb-serial krefs - bad magic number for tty struct (188:0)

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Date:	Tue, 21 Oct 2008 09:42:47 -0300
From:	"Sergio Luis" <eeeesti@...il.com>
To:	"Alan Cox" <alan@...rguk.ukuu.org.uk>
Cc:	"Alan Cox" <alan@...hat.com>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Greg KH" <greg@...ah.com>, linux-usb@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: tty: usb-serial krefs - bad magic number for tty struct (188:0)

On Tue, Oct 21, 2008 at 9:38 AM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
>> one of the problems was the tty_kref_put(tty) in
>> usb_serial_port_work() [drivers/usb/serial/usb-serial.c], that was
>> releasing the tty device. I removed that line and it _almost_ worked.
>> well, it worked, but only _once_. If I stopped the daemon and tried to
>
> You removed a valid one not the erroneous one it seems.
>
> Unfortunately your bug report doesn't actually say _WHICH_ USB serial
> driver you are using which makes it a bit hard to be sure I'm looking for
> the right bug.
>

The device is a Huawei E220 USB modem. What kind of info can I provide
to help you with this? would dmesg help?

Sergio.
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