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From: Naveen Kumar Parna <pnaveenkos@gmail.com>
To: Oliver Neukum <oneukum@suse.de>
Cc: Alan Stern <stern@rowland.harvard.edu>,
	"linux-bluetooth@vger.kernel.org"
	<linux-bluetooth@vger.kernel.org>,
	linux-usb@vger.kernel.org, acho@suse.com
Subject: Re: btusb_intr_complete returns -EPIPE
Date: Thu, 16 Oct 2014 16:24:02 +0530	[thread overview]
Message-ID: <CAG0bkv+bu23Fm_thq7A5AOrCEXaaWmcKNaX-193GqFh=W0S8xA@mail.gmail.com> (raw)
In-Reply-To: <1413450936.29366.1.camel@linux-0dmf.site>

On Thu, Oct 16, 2014 at 2:45 PM, Oliver Neukum <oneukum@suse.de> wrote:
>
> On Wed, 2014-10-15 at 12:11 -0400, Alan Stern wrote:
> > > If the hub is the problem… what will be the better solution? Is it
> > > possible to change internal hub?
> >
> > No, it is not possible.
>
> Indeed. However, it is possible to use an additional in between your
> devices and the internal hub.
>
>         Regards
>                 Oliver
>
>


Tested with this configuration(external hubs Dev 3, Dev 4, Dev 17, Dev
10) and got the same result.

/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M

/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M

    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/6p, 480M

        |__ Port 5: Dev 3, If 0, Class=hub, Driver=hub/7p, 12M

            |__ Port 1: Dev 4, If 0, Class=hub, Driver=hub/7p, 12M

                |__ Port 1: Dev 11, If 0, Class=vend., Driver=, 12M

                |__ Port 2: Dev 12, If 0, Class=vend., Driver=, 12M

                |__ Port 3: Dev 13, If 0, Class=vend., Driver=, 12M

                |__ Port 4: Dev 14, If 0, Class=vend., Driver=, 12M

                |__ Port 5: Dev 15, If 0, Class=vend., Driver=, 12M

                |__ Port 6: Dev 16, If 0, Class=vend., Driver=, 12M

                |__ Port 7: Dev 17, If 0, Class=hub, Driver=hub/2p, 12M

                    |__ Port 1: Dev 21, If 0, Class=vend., Driver=, 12M

                    |__ Port 2: Dev 22, If 0, Class=vend., Driver=, 12M

            |__ Port 2: Dev 5, If 0, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 2: Dev 5, If 1, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 2: Dev 5, If 2, Class=app., Driver=, 12M

            |__ Port 3: Dev 6, If 0, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 3: Dev 6, If 1, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 3: Dev 6, If 2, Class=app., Driver=, 12M

            |__ Port 4: Dev 7, If 0, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 4: Dev 7, If 1, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 4: Dev 7, If 2, Class=app., Driver=, 12M

            |__ Port 5: Dev 8, If 0, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 5: Dev 8, If 1, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 5: Dev 8, If 2, Class=app., Driver=, 12M

            |__ Port 6: Dev 9, If 0, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 6: Dev 9, If 1, Class='bInterfaceClass 0xe0 not
yet handled', Driver=btusb, 12M

            |__ Port 6: Dev 9, If 2, Class=app., Driver=, 12M

            |__ Port 7: Dev 10, If 0, Class=hub, Driver=hub/3p, 12M

                |__ Port 1: Dev 18, If 0, Class='bInterfaceClass 0xe0
not yet handled', Driver=btusb, 12M

                |__ Port 1: Dev 18, If 1, Class='bInterfaceClass 0xe0
not yet handled', Driver=btusb, 12M

                |__ Port 1: Dev 18, If 2, Class=app., Driver=, 12M

                |__ Port 2: Dev 19, If 0, Class='bInterfaceClass 0xe0
not yet handled', Driver=btusb, 12M

                |__ Port 2: Dev 19, If 1, Class='bInterfaceClass 0xe0
not yet handled', Driver=btusb, 12M

                |__ Port 2: Dev 19, If 2, Class=app., Driver=, 12M

                |__ Port 3: Dev 20, If 0, Class='bInterfaceClass 0xe0
not yet handled', Driver=btusb, 12M

                |__ Port 3: Dev 20, If 1, Class='bInterfaceClass 0xe0
not yet handled', Driver=btusb, 12M

                |__ Port 3: Dev 20, If 2, Class=app., Driver=, 12M

  reply	other threads:[~2014-10-16 10:54 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAG0bkvJDLP2tgnzu7H_ZCRCnZwkw1zUd1uqWwoDkmrU_FLts7w@mail.gmail.com>
2014-10-09 14:31 ` btusb_intr_complete returns -EPIPE Alan Stern
2014-10-15 10:11   ` Oliver Neukum
2014-10-15 13:09     ` Naveen Kumar Parna
2014-10-15 13:46       ` Naveen Kumar Parna
2014-10-15 16:11         ` Alan Stern
2014-10-16  7:13           ` Naveen Kumar Parna
2014-10-16 14:16             ` Alan Stern
2014-10-16 15:32               ` Naveen Kumar Parna
2014-10-28 12:40                 ` Naveen Kumar Parna
2014-10-28 17:27                   ` Alan Stern
     [not found]                     ` <CAG0bkvL-qy+Wvp7q39TOaQ1dZDd0PKyoXHjO=5TrJvdC8byr8A@mail.gmail.com>
2014-10-31 11:27                       ` Naveen Kumar Parna
2014-10-31 20:51                       ` Alan Stern
2014-10-16  9:15           ` Oliver Neukum
2014-10-16 10:54             ` Naveen Kumar Parna [this message]
2014-10-16 14:09               ` Alan Stern
2014-10-16 15:05                 ` Naveen Kumar Parna
2014-10-27  9:19                 ` Naveen Kumar Parna
     [not found] <CAG0bkv+DL0bVs9irE7eUB3rC-J16Ue=b9+_TqeuTHJYMJDkC0g@mail.gmail.com>
2014-11-06 16:44 ` Alan Stern
2014-11-10  6:38   ` Naveen Kumar Parna
2014-11-10 16:56     ` Alan Stern
2014-11-11  9:53       ` Naveen Kumar Parna
2014-11-11 15:56         ` Alan Stern
2014-11-10  9:29   ` Naveen Kumar Parna
     [not found] <CAG0bkv+YY90Tq1aTw1Dbg-RSVadoP2U6tyVpW1bZSxBfQ=3Y4g@mail.gmail.com>
2014-11-03 16:19 ` Alan Stern
2014-11-05  6:58   ` Naveen Kumar Parna
2014-11-05 21:09     ` Alan Stern
2014-10-06 12:23 Naveen Kumar Parna
  -- strict thread matches above, loose matches on Subject: below --
2014-10-06 11:35 Naveen Kumar Parna
2014-10-06 12:24 ` Oliver Neukum
     [not found]   ` <CAG0bkv+nKt-TgONDLENNUncz9NScdJGcYR+J2Z6b=wg2grvqhg@mail.gmail.com>
2014-10-06 12:55     ` Oliver Neukum
2014-10-06 13:03       ` Naveen Kumar Parna
2014-10-06 13:29         ` Oliver Neukum
2014-10-06 14:38           ` Naveen Kumar Parna
2014-10-06 14:50             ` Oliver Neukum
     [not found]               ` <CAG0bkvKJZMhurNNpc_2wgaACRzhyEikb0G0YSY7QnxqBe1rnjw@mail.gmail.com>
2014-10-07  6:44                 ` Naveen Kumar Parna
2014-10-07 10:01                   ` Oliver Neukum
2014-10-07 13:34                     ` Naveen Kumar Parna
2014-10-07 14:31                       ` Naveen Kumar Parna
2014-10-08  9:09                         ` Oliver Neukum
2014-10-08 10:21                           ` Naveen Kumar Parna
2014-10-08 10:44                             ` Oliver Neukum
2014-10-08 13:01                               ` Naveen Kumar Parna
2014-10-08 13:17                                 ` Oliver Neukum
2014-10-08 14:10                                   ` Naveen Kumar Parna
2014-10-08 14:46                                   ` Alan Stern

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