The following reply was made to PR usb/173666; it has been noted by GNATS.
From: "Wojciech A. Koszek"
To: Hans Petter Selasky
Cc: freebsd-usb@freebsd.org, freebsd-gnats-sub...@freebsd.org
Subject: Re: usb/173666: [USB, LIBUSB] usb_reset() behavior different between
GNU/Linux and FreeBSD
Date: W
On Sat, Nov 17, 2012 at 01:19:34PM +0100, Hans Petter Selasky wrote:
> On Friday 16 November 2012 23:47:29 Wojciech A. Koszek wrote:
> > >Number: 173666
> > >Category: usb
> > >Synopsis: [USB, LIBUSB] usb_reset() behavior different between
> > >GNU/Linux and FreeBSD Confidential
On Dec 18, 2012, at 12:44 PM, Hans Petter Selasky wrote:
> On Tuesday 18 December 2012 20:12:29 Andrew Turner wrote:
>> On Tue, 18 Dec 2012 13:06:44 +0100
>>
>> Hans Petter Selasky wrote:
>>> Hi Andrew,
>>>
The BUS_DMA_COHERENT flag does nothing on armv6 as we need the cache
enabled
On Dec 18, 2012, at 1:22 AM, Hans Petter Selasky wrote:
> On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
>> Hello,
>>
>> Oleksandr and myself have been looking into why when we enable the
>> write-back cache on the PandaBoard there are kernel panics with USB. We
>> have tracked it dow
On Tuesday 18 December 2012 20:12:29 Andrew Turner wrote:
> On Tue, 18 Dec 2012 13:06:44 +0100
>
> Hans Petter Selasky wrote:
> > Hi Andrew,
> >
> > > The BUS_DMA_COHERENT flag does nothing on armv6 as we need the cache
> > > enabled for atomic operations to work correctly and we would have to
>
On Tue, 18 Dec 2012 13:06:44 +0100
Hans Petter Selasky wrote:
> Hi Andrew,
>
> > The BUS_DMA_COHERENT flag does nothing on armv6 as we need the cache
> > enabled for atomic operations to work correctly and we would have to
> > disable the cache on the entire page. This is acceptable behaviour
> >
On Tuesday 18 December 2012 12:02:13 Andrew Turner wrote:
> On Tue, 18 Dec 2012 09:22:22 +0100
>
> Hans Petter Selasky wrote:
> > On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
> > > Hello,
> > >
> > > Oleksandr and myself have been looking into why when we enable the
> > > write-back
On Tue, 18 Dec 2012 09:22:22 +0100
Hans Petter Selasky wrote:
> On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
> > Hello,
> >
> > Oleksandr and myself have been looking into why when we enable the
> > write-back cache on the PandaBoard there are kernel panics with
> > USB. We have tra
On Tuesday 18 December 2012 08:49:31 Andrew Turner wrote:
> Hello,
>
> Oleksandr and myself have been looking into why when we enable the
> write-back cache on the PandaBoard there are kernel panics with USB. We
> have tracked it down to an issue appending the ehci_qh_t to the list at
> the end of
