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From: Greg KH <greg@kroah.com>
To: Oliver Neukum <oliver@neukum.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
	dvomlehn@cisco.com, gregkh@suse.de, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] "USB: use kfifo to buffer usb-generic serial writes" causes gobi_loader to hang
Date: Thu, 28 Jan 2010 14:32:33 -0800	[thread overview]
Message-ID: <20100128223233.GA1358@kroah.com> (raw)
In-Reply-To: <201001281940.12173.oliver@neukum.org>

On Thu, Jan 28, 2010 at 07:40:12PM +0100, Oliver Neukum wrote:
> Am Donnerstag, 28. Januar 2010 18:45:46 schrieb Greg KH:
> > On Tue, Jan 19, 2010 at 02:20:29PM +0100, Oliver Neukum wrote:
> > > Am Montag, 18. Januar 2010 21:14:16 schrieb Matthew Garrett:
> > > 
> > > > drivers/usb/serial/generic.c: usb_serial_generic_write - port 0, 1565 
> > > > bytes
> > > > drivers/usb/serial/generic.c: usb_serial_generic_write - put 0 bytes 
> > > > into fifo
> > > > drivers/usb/serial/generic.c: usb_serial_generic_read_bulk_callback - 
> > > > port 0
> > > 
> > > If the FIFO is full we can do nothing. Please try the attached patch.
> > 
> > Did we ever determine if the patch below is needed or not?
> 
> No. Further discussion cast serious doubt on it, but we have no
> experimental evidence I am aware of.

Ok, thanks for letting me know.

greg k-h

  reply	other threads:[~2010-01-28 22:48 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-17  2:55 [REGRESSION] "USB: use kfifo to buffer usb-generic serial writes" causes gobi_loader to hang Matthew Garrett
2010-01-17  8:13 ` Marcel Holtmann
2010-01-17  9:14 ` Oliver Neukum
2010-01-18  1:58   ` Matthew Garrett
2010-01-18 17:25     ` Oliver Neukum
2010-01-18 20:14       ` Matthew Garrett
2010-01-19 13:20         ` Oliver Neukum
2010-01-19 13:29           ` Alan Cox
2010-01-19 13:57             ` Oliver Neukum
2010-01-19 14:21               ` Alan Cox
2010-01-19 15:15                 ` Oliver Neukum
2010-01-19 14:26               ` Alan Cox
2010-01-19 15:25                 ` Johan Hovold
2010-01-19 15:52                   ` Johan Hovold
2010-01-19 16:27                   ` Alan Cox
2010-01-19 18:44                     ` Oliver Neukum
2010-01-19 19:45                       ` Johan Hovold
2010-01-28 17:45           ` Greg KH
2010-01-28 18:40             ` Oliver Neukum
2010-01-28 22:32               ` Greg KH [this message]
2010-02-03 16:46           ` Matthew Garrett
2010-02-03 17:21             ` Oliver Neukum
2010-02-03 22:37               ` Matthew Garrett
2010-02-03 22:58                 ` Oliver Neukum
2010-02-05 19:58                   ` Matthew Garrett
2010-02-05 21:35                     ` Matthew Garrett
2010-02-08 19:00                       ` Oliver Neukum
2010-02-05 21:59                     ` Oliver Neukum
2010-02-13  2:09                       ` Anssi Hannula
2010-02-13  2:50                         ` Alan Stern
2010-02-13  7:11                           ` Oliver Neukum
2010-02-13 13:35                             ` Anssi Hannula
2010-02-13 19:01                               ` Anssi Hannula
2010-02-15 13:08                                 ` Oliver Neukum
2010-02-20 16:03                                   ` Anssi Hannula
2010-02-20 18:19                                     ` Oliver Neukum
2010-02-21 21:28                                       ` Alan Stern
2010-02-21 21:42                                         ` Anssi Hannula
2010-02-21 22:12                                           ` Oliver Neukum
2010-02-21 23:06                                             ` Anssi Hannula
2010-02-21 23:13                                               ` Anssi Hannula
2010-02-21 23:21                                                 ` Anssi Hannula
2010-02-22 15:28                                                   ` Alan Stern
2010-02-22 18:35                                                     ` Anssi Hannula
2010-02-22 19:10                                                       ` Alan Stern
2010-02-22 19:14                                                         ` Matthew Garrett
2010-02-22 20:12                                                           ` Alan Stern
2010-02-24  2:33                                                             ` Anssi Hannula
2010-02-22 19:24                                                         ` Anssi Hannula
2010-02-22 20:10                                                           ` Alan Stern
2010-02-22 21:24                                                           ` Alan Cox
2010-02-22 21:23                                                             ` Matthew Garrett
2010-02-22 23:26                                                       ` Oliver Neukum
2010-02-23  1:55                                                         ` Anssi Hannula
2010-02-21 22:09                                         ` Oliver Neukum
2010-02-21 21:37                                       ` Anssi Hannula

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