From: Oliver Neukum <oliver@neukum.org>
To: Michelle Konzack <linux4michelle@tamay-dogan.net>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: System hang (and other problems) with cdc_acm
Date: Mon, 26 Jan 2009 09:45:52 +0100 [thread overview]
Message-ID: <200901260945.52972.oliver@neukum.org> (raw)
In-Reply-To: <20090126081904.GI25958@tamay-dogan.net>
Am Monday 26 January 2009 09:19:04 schrieb Michelle Konzack:
> > > to debug this; the Caps Lock light isn't flashing, so I'm not sure if
> > > it's a panic or just a hang. Second, if I read one of the TTYs using
> > > "cat", I get a ton of blank lines. To make any sense of the data
> > > stream, I have to do cat /dev/ttyACM0 | grep -v "^$".
> > >
> > > If anyone could help me debug this, I'd be greatly appreciative.
>
> Same problem here...
>
> My Router is based on Debian Etch with
>
> Linux router 2.6.18-6-686 #1 SMP Fri Dec 12 16:48:28 UTC 2008 i686 GNU/Linux
>
> and even if I install 2.6.26 it is the same effect.
>
> I am using a cell-phone "Nokia 6120 classic" and my german GSM Provider
> is O2/Telefonica. I get without any problems 550 kByte/Sec, but then
> from one second to another 2-5 kByte/Sec.
What makes you think that it is the same problem? It doesn't hang your
system, does it? If so, can you please post "dmesg" of one of the incidents
and "lsusb -v"?
Regards
Oliver
next prev parent reply other threads:[~2009-01-26 8:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-19 20:20 System hang (and other problems) with cdc_acm Thomas Tuttle
2009-01-26 7:27 ` Andrew Morton
2009-01-26 8:19 ` Michelle Konzack
2009-01-26 8:45 ` Oliver Neukum [this message]
2009-01-26 12:00 ` Michelle Konzack
2009-01-26 12:47 ` Oliver Neukum
2009-01-28 9:16 ` Michelle Konzack
2009-01-28 10:44 ` Oliver Neukum
2009-01-28 17:28 ` Michelle Konzack
2009-01-28 17:52 ` Oliver Neukum
2009-01-26 8:36 ` Oliver Neukum
2009-01-27 23:34 ` Thomas Tuttle
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