From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg KH <greg@kroah.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
Hugh Blemings <hugh@blemings.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: USB serial regression 2.6.31.1 -> 2.6.31.2 (and 2.6.32-rc3)
Date: Sat, 10 Oct 2009 13:48:26 +1100 [thread overview]
Message-ID: <1255142906.2219.5.camel@pasglop> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0910092201470.25597-100000@netrider.rowland.org>
On Fri, 2009-10-09 at 22:03 -0400, Alan Stern wrote:
> > This looks a lot like a hardware problem, such as bad USB cables.
> > Could you collect a usbmon trace for bus 4? It ought to show whether
> > this is the case or whether software is at fault.
>
> If it's not a hardware issue and the modem really does work okay in
> 2.6.31.1, you should also collect a usbmon trace under that kernel for
> comparison.
Ok. I'll give those a go later this week-end.
Cheers,
Ben.
next prev parent reply other threads:[~2009-10-10 2:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-10 0:25 USB serial regression 2.6.31.1 -> 2.6.31.2 Benjamin Herrenschmidt
2009-10-10 0:31 ` USB serial regression 2.6.31.1 -> 2.6.31.2 (and 2.6.32-rc3) Benjamin Herrenschmidt
2009-10-10 0:32 ` Benjamin Herrenschmidt
2009-10-10 1:56 ` Alan Stern
2009-10-10 2:03 ` Alan Stern
2009-10-10 2:48 ` Benjamin Herrenschmidt [this message]
2009-10-10 3:11 ` Benjamin Herrenschmidt
2009-10-10 16:20 ` Alan Stern
2009-10-10 2:45 ` Benjamin Herrenschmidt
2009-10-10 7:38 ` USB serial regression 2.6.31.1 -> 2.6.31.2 Josua Dietze
2009-10-10 7:41 ` Benjamin Herrenschmidt
2009-10-10 9:55 ` Oliver Neukum
2009-10-10 15:05 ` Greg KH
2009-10-10 17:05 ` Alan Stern
2009-10-10 17:43 ` Ondrej Zary
2009-10-10 20:41 ` Alan Stern
2009-10-10 21:20 ` Benjamin Herrenschmidt
2009-10-10 22:17 ` Benjamin Herrenschmidt
2009-10-11 14:45 ` Alan Stern
2009-10-10 21:18 ` Benjamin Herrenschmidt
2009-10-10 21:56 ` Benjamin Herrenschmidt
2009-10-10 22:52 ` Alan Stern
2009-10-10 23:26 ` Benjamin Herrenschmidt
2009-10-10 23:47 ` Benjamin Herrenschmidt
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