On Fri, Jul 11, 2014 at 09:28:47AM +, David Laight wrote:
> From: Olivier Sobrie Olivier Sobrie
> > Hi Alan and Davids,
> >
> > On Thu, Jul 10, 2014 at 04:50:03PM +0100, One Thousand Gnomes wrote:
> > > On Thu, 10 Jul 2014 14:37:37 +
> > > David Laight wrote:
> > >
> > > > From: Olivier S
From: Olivier Sobrie Olivier Sobrie
> Hi Alan and Davids,
>
> On Thu, Jul 10, 2014 at 04:50:03PM +0100, One Thousand Gnomes wrote:
> > On Thu, 10 Jul 2014 14:37:37 +
> > David Laight wrote:
> >
> > > From: Olivier Sobrie
> > > ...
> > > > The function put_rxbuf_data() is called from the urb c
Hi Alan and Davids,
On Thu, Jul 10, 2014 at 04:50:03PM +0100, One Thousand Gnomes wrote:
> On Thu, 10 Jul 2014 14:37:37 +
> David Laight wrote:
>
> > From: Olivier Sobrie
> > ...
> > > The function put_rxbuf_data() is called from the urb completion handler.
> > > It puts the data of the urb
> You really want to apply flow control back over the 'serial' link.
> That may just cause data discards earlier on the local system.
> But it is possible that not resubmitting the receive urb will cause the
> modem to flow control back to the sender.
> In which case there is some chance that data
From: One Thousand Gnomes
> On Thu, 10 Jul 2014 14:37:37 +
> David Laight wrote:
>
> > From: Olivier Sobrie
> > ...
> > > The function put_rxbuf_data() is called from the urb completion handler.
> > > It puts the data of the urb transfer in the tty buffer with
> > > tty_insert_flip_string_fla
On Thu, 10 Jul 2014 14:37:37 +
David Laight wrote:
> From: Olivier Sobrie
> ...
> > The function put_rxbuf_data() is called from the urb completion handler.
> > It puts the data of the urb transfer in the tty buffer with
> > tty_insert_flip_string_flags() and schedules a work queue in order t
From: Olivier Sobrie
...
> The function put_rxbuf_data() is called from the urb completion handler.
> It puts the data of the urb transfer in the tty buffer with
> tty_insert_flip_string_flags() and schedules a work queue in order to
> push the data to the ldisc.
> Problem is that we are in a urb c
Hi David,
On Tue, Jul 08, 2014 at 04:16:33PM -0700, David Miller wrote:
> From: Olivier Sobrie
> Date: Mon, 7 Jul 2014 11:06:07 +0200
>
> > When the module sends bursts of data, sometimes a deadlock happens in
> > the hso driver when the tty buffer doesn't get the chance to be flushed
> > quick
From: Olivier Sobrie
Date: Mon, 7 Jul 2014 11:06:07 +0200
> When the module sends bursts of data, sometimes a deadlock happens in
> the hso driver when the tty buffer doesn't get the chance to be flushed
> quickly enough.
>
> To avoid this, first, we remove the endless while loop in
> put_rx_bu
Hi Dan,
On Mon, Jul 07, 2014 at 11:41:20AM -0500, Dan Williams wrote:
> On Mon, 2014-07-07 at 11:06 +0200, Olivier Sobrie wrote:
> > When the module sends bursts of data, sometimes a deadlock happens in
> > the hso driver when the tty buffer doesn't get the chance to be flushed
> > quickly enough.
On Mon, 2014-07-07 at 11:06 +0200, Olivier Sobrie wrote:
> When the module sends bursts of data, sometimes a deadlock happens in
> the hso driver when the tty buffer doesn't get the chance to be flushed
> quickly enough.
>
> To avoid this, first, we remove the endless while loop in
> put_rx_bufdat
On Mon, Jul 07, 2014 at 12:55:44PM +, David Laight wrote:
> From: Olivier Sobrie
> > Hi David,
> >
> > On Mon, Jul 07, 2014 at 09:13:53AM +, David Laight wrote:
> > > From: Olivier Sobrie
> > > > When the module sends bursts of data, sometimes a deadlock happens in
> > > > the hso driver
From: Olivier Sobrie
> Hi David,
>
> On Mon, Jul 07, 2014 at 09:13:53AM +, David Laight wrote:
> > From: Olivier Sobrie
> > > When the module sends bursts of data, sometimes a deadlock happens in
> > > the hso driver when the tty buffer doesn't get the chance to be flushed
> > > quickly enoug
Hi David,
On Mon, Jul 07, 2014 at 09:13:53AM +, David Laight wrote:
> From: Olivier Sobrie
> > When the module sends bursts of data, sometimes a deadlock happens in
> > the hso driver when the tty buffer doesn't get the chance to be flushed
> > quickly enough.
> >
> > To avoid this, first, we
From: Olivier Sobrie
> When the module sends bursts of data, sometimes a deadlock happens in
> the hso driver when the tty buffer doesn't get the chance to be flushed
> quickly enough.
>
> To avoid this, first, we remove the endless while loop in
> put_rx_bufdata() which is the root cause of the d
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