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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Oliver Neukum <oliver@neukum.org>
Cc: dvomlehn@cisco.com, gregkh@suse.de,
	linux-usb-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] "USB: use kfifo to buffer usb-generic serial writes" causes gobi_loader to hang
Date: Mon, 18 Jan 2010 01:58:44 +0000	[thread overview]
Message-ID: <20100118015844.GA4300@srcf.ucam.org> (raw)
In-Reply-To: <201001171014.44403.oliver@neukum.org>

On Sun, Jan 17, 2010 at 10:14:44AM +0100, Oliver Neukum wrote:

> please load usbserial with debug=1 and post the output of just before the hang.

drivers/usb/serial/generic.c: usb_serial_generic_write_bulk_callback - 
port 0
qcserial ttyUSB0: usb_serial_generic_write_start - length = 512, data = 
01 00 a0 e1 60 07 00 ea 00 00 9f e5 37 07 00 ea 54 60 01 b0 04 e0 2d e5 
20 30 9f e5 04 d0 4d e2 00 10 a0 e1 0d 20 a0 e1 00 00 93 e5 01 1b 00 eb 
00 00 50 e3 00 00 e0 13 04 d0 8d e2 00 80 bd e8 3c 70 01 b0 01 00 12 e3 
70 40 2d e9 02 40 a0 e1 00 50 a0 e1 01 60 a0 e1 25 00 00 0a 20 40 85 e5 
fc 00 9f e5 06 10 a0 e1 1b f7 ff eb 01 00 70 e3 08 00 85 e5 70 80 bd 08 
06 30 80 e0 01 20 43 e2 10 40 14 e2 0c 20 85 e5 13 00 00 1a 00 10 a0 e1 
d0 00 9f e5 7a f7 ff eb 00 00 50 e3 2a 00 00 0a ff 34 a0 e3 f0 2f 93 e5 
05 10 a0 e1 00 00 92 e5 07 20 a0 e3 81 fe ff eb 00 00 50 e3 1c 00 00 1a 
0c 30 85 e2 0c 00 13 e8 02 20 43 e0 04 10 a0 e1 01 20 82 e2 08 00 95 e5 
78 12 00 eb 05 00 a0 e1 cb ff ff eb 00 40 50 e2 07 00 00 1a 04 00 a0 e1 
70 80 bd e8 70 00 9f e5 70 10 9f e5 70 20 9f e5 9d 30 a0 e3 da 11 00 eb 
d3 ff ff ea 08 10 85 e2 06 00 91 e8 48 00 9f e5 53 f6 ff eb 0c 20 95 e5 
40 00 9f e5 08 10 95 e5 31 f7 ff eb 04 00 a0 e1 70 80 bd e8 3c 00 9f e5 
30 10 9f e5 30 20 9f e5 af 30 a0 e3 ca 11 00 eb dc ff ff ea 10 00 9f e5 
08 10 85 e2 06 00 91 e8 43 f6 ff eb 00 00 e0 e3 70 80 bd e8 00 b0 01 b0 
00 80 01 b0 10 ca 00 b0 24 ca 00 b0 94 c9 00 b0 54 c6 00 b0 02 00 13 e3 
f0 41 2d e9 03 70 a0 e1 00 60 a0 e1 01 40 a0 e1 02 50 a0 e1 15 00 00 0a 
04 30 85 e0 01 40 43 e2 20 70 86 e5 08 50 86 e5 0c 40 86 e5 06 00 a0 e1 
97 ff ff eb 00 80 50 e2 08 00 a0 11 f0 81 bd 18 04 20 a0 e1 c4 00 9f e5 
05 10 a0 e1 54 f7 ff eb 04 20 a0 e1 05 10 a0 e1 b4 00 9f e5 50 f7 ff eb 
10 40 17 e2 07 00 00 0a 08 00 a0 e1 f0 81 bd e8 a0 00 9f e5 a0 10 9f e5 
a0 20 9f e5 c3 30 a0 e3 
drivers/usb/serial/generic.c: usb_serial_generic_write - port 0
drivers/usb/serial/usb-serial.c: serial_write - port 0, 1536 byte(s)
drivers/usb/serial/generic.c: usb_serial_generic_write - port 0
drivers/usb/serial/usb-serial.c: usb_serial_port_work - port 0
drivers/usb/serial/usb-serial.c: serial_write - port 0, 1536 byte(s)
drivers/usb/serial/generic.c: usb_serial_generic_write - port 0

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2010-01-18  1:58 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 [this message]
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
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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