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From: Oliver Neukum <oneukum@suse.com>
To: wim@djo.tudelft.nl
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: crash by cdc_acm driver in kernels 4.8-rc1/5
Date: Thu, 22 Sep 2016 16:40:50 +0200	[thread overview]
Message-ID: <1474555250.30534.1.camel@suse.com> (raw)
In-Reply-To: <20160921164122.GB18823@djo.tudelft.nl>

On Wed, 2016-09-21 at 18:41 +0200, Wim Osterholt wrote:
> On Wed, Sep 21, 2016 at 02:21:17PM +0200, Oliver Neukum wrote:
> > in sysfs.
> 
> Google pointed me to /sys/bus/usb/drivers/usb/*
> where I find all kinds of 'bConfigurationValue'.
> Now is the problem to find which one you could mean.
> 
> Under /sys/bus/usb/drivers/usb/7-1  I find
> manufacturer  which reads 'Conexant'  and
> bConfigurationValue  which reads '1'

OK. Strange. Please do

dmesg -c
echo 9 > /proc/sysrq-trigger
modprobe cdc_acm
echo "module cdc_acm +mpf" > /sys/kernel/debug/dynamic_debug/control

[plug your device in]

and provide the full output of dmesg after that.

	Regards
		Oliver

  reply	other threads:[~2016-09-22 14:46 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-08 11:58 crash by cdc_acm driver in kernels 4.8-rc1/5 Wim Osterholt
2016-09-08 12:20 ` Oliver Neukum
2016-09-08 12:58   ` Wim Osterholt
2016-09-08 13:05     ` Oliver Neukum
2016-09-08 15:00       ` Wim Osterholt
2016-09-08 16:54       ` Wim Osterholt
2016-09-09 13:24       ` Wim Osterholt
2016-09-12  2:43       ` Wim Osterholt
2016-09-20 13:05         ` Oliver Neukum
2016-09-20 15:45           ` Wim Osterholt
2016-09-21 12:21             ` Oliver Neukum
2016-09-21 16:21               ` Wim Osterholt
2016-09-21 16:41               ` Wim Osterholt
2016-09-22 14:40                 ` Oliver Neukum [this message]
2016-09-22 17:56                   ` Wim Osterholt
2016-09-22 19:21                   ` Wim Osterholt
2016-09-23 10:04                   ` Wim Osterholt
2016-09-27 16:34                   ` Wim Osterholt
2016-09-28  9:16                     ` Oliver Neukum
2016-09-28 14:46                       ` Wim Osterholt
2016-09-28 15:08                       ` Wim Osterholt
2016-09-28 15:23                         ` Oliver Neukum
2016-09-29 13:26                           ` Wim Osterholt
2016-10-06 10:53                             ` Oliver Neukum
2016-10-17 14:10     ` Oliver Neukum
2016-10-17 15:20       ` Wim Osterholt
2016-10-18 12:18         ` Oliver Neukum
2016-10-18 14:51           ` Wim Osterholt
2016-11-05 13:34           ` Wim Osterholt
2016-11-15  0:16           ` Wim Osterholt
2016-11-15 11:07             ` Oliver Neukum
2016-11-15 11:26             ` poma
2016-11-15 13:29               ` Wim Osterholt
2016-11-16 12:34                 ` Oliver Neukum
2016-11-16 15:07                   ` Wim Osterholt
2016-11-17  1:57                     ` Wim Osterholt
2016-11-17  9:14                       ` Wim Osterholt
2016-11-17 16:11                         ` Wim Osterholt
2016-11-21 13:19                           ` Oliver Neukum
2016-11-21 15:58                             ` Wim Osterholt
2016-11-21 20:23                               ` Wim Osterholt
2016-11-21 23:49                                 ` poma
2016-11-22 17:50                               ` Bjørn Mork
2016-11-23  0:48                                 ` Wim Osterholt
2016-11-22 15:38                             ` Wim Osterholt
2016-11-22 18:08                               ` Bjørn Mork
2016-11-23  0:54                                 ` Wim Osterholt
2016-11-23  7:37                                   ` Bjørn Mork
2016-11-23 15:02                                     ` Alan Stern

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