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From: David Brownell <david-b@pacbell.net>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: "'Alan Stern'" <stern@rowland.harvard.edu>,
	"'Peter Korsgaard'" <jacmet@sunsite.dk>,
	"'USB list'" <linux-usb@vger.kernel.org>,
	"'Kernel development list'" <linux-kernel@vger.kernel.org>,
	kyungmin.park@samsung.com
Subject: Re: PROBLEM: kernel oops with g_serial USB gadget on 2.6.30
Date: Tue, 23 Jun 2009 00:22:38 -0700	[thread overview]
Message-ID: <200906230022.39040.david-b@pacbell.net> (raw)
In-Reply-To: <001c01c9f3cd$ad02b1d0$07081570$%szyprowski@samsung.com>

On Monday 22 June 2009, Marek Szyprowski wrote:
> 
> > Like, oh, changing a spinlock to a mutex.   You might change the
> > low_latency setting and review how that's now supposed to behave.
> 
> In in gs_open() function in drivers/usb/gadget/u_serial.c, after the 
> line 780 I've added:
> 
> tty->low_latency = 1;

That's already how it's set.  Try instead *REMOVING* the line
which sets that flag.


> This helped a bit, but after a few serial transfers I got the same 
> bug again.

Of course.  You didn't change anything.



  reply	other threads:[~2009-06-23  7:22 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-22 12:04 PROBLEM: kernel oops with g_serial USB gadget on 2.6.30 Marek Szyprowski
2009-06-22 12:33 ` Peter Korsgaard
2009-06-22 13:55   ` Marek Szyprowski
2009-06-22 14:06     ` Peter Korsgaard
2009-06-22 14:06     ` Alan Stern
2009-06-22 14:12       ` Marek Szyprowski
2009-06-22 15:02         ` Alan Stern
2009-06-23  3:26         ` David Brownell
2009-06-23  6:41           ` Marek Szyprowski
2009-06-23  7:22             ` David Brownell [this message]
2009-06-23  8:37               ` Marek Szyprowski
2009-06-23  9:21                 ` Alan Cox
2009-06-23  9:33                   ` Marek Szyprowski
2009-06-23  9:54                     ` Alan Cox
2009-06-23 15:00                       ` Marek Szyprowski
2009-06-23 16:47                         ` David Brownell
2009-06-23 16:52                 ` David Brownell
2009-06-24  7:07                   ` Marek Szyprowski
2009-06-24  8:42                     ` Alan Cox
2009-06-24  8:54                       ` David Brownell
2009-06-24  8:49                     ` David Brownell
2009-06-24 10:30                       ` Marek Szyprowski
2009-06-24 23:43                         ` David Brownell

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