linux-kernel - Re: USB broken on Banana Pi in Linux 4.6

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Message-ID: <20160617213125.GA22906@sudip-laptop>
Date:	Fri, 17 Jun 2016 22:31:25 +0100
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Marc Haber <mh+linux-kernel@...schlus.de>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-usb@...r.kernel.org
Subject: Re: USB broken on Banana Pi in Linux 4.6

On Sun, Jun 12, 2016 at 06:47:56PM +0200, Marc Haber wrote:
> On Sat, Jun 11, 2016 at 02:55:04PM +0200, Marc Haber wrote:
> > On Tue, Jun 07, 2016 at 10:30:17AM -0700, Greg KH wrote:
> > > Nothing obvious, can you use 'git bisect' to go from 4.5.0 to 4.6.0 to
> > > find the offending commit?
> > 
> > I can. The first round of bisecting let me end up with
> > c8b710b3e4348119924051551b836c94835331b1 as the first bad commit,
> > which is wrong, since c8b710b3e4348119924051551b836c94835331b1^ is bad
> > as well. I am not sure whether things went well since I had to use git
> > bisect skip twice because the resulting kernel wouldn't boot on the pi.
> 
> The kernel panic on boot is caused by bugs in the parport part. I
> worked around these by disabling PARPORT in the kernel configuration.

May I ask which bug in parport are you reffering to? There was a bad
commit in ppdev which caused boot failure and that was reverted.
But in parport??

regards
sudip