From: Oliver Neukum <oneukum@suse.com>
To: "Bjørn Mork" <bjorn@mork.no>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>,
Alan Stern <stern@rowland.harvard.edu>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
netdev@vger.kernel.org,
Mathias Nyman <mathias.nyman@linux.intel.com>
Subject: Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function
Date: Thu, 10 Nov 2016 12:22:37 +0100 [thread overview]
Message-ID: <1478776957.2428.15.camel@suse.com> (raw)
In-Reply-To: <87a8d7h9q1.fsf@miraculix.mork.no>
On Thu, 2016-11-10 at 12:09 +0100, Bjørn Mork wrote:
> Kai-Heng Feng <kai.heng.feng@canonical.com> writes:
> > On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork <bjorn@mork.no> wrote:
> >> Oliver Neukum <oneukum@suse.com> writes:
> >>
> >>> On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote:
> >>>
> >>>> These problems could very well be caused by running at SuperSpeed
> >>>> (USB-3) instead of high speed (USB-2).
> >
> > Yes, it's running at SuperSpeed, on a Kabylake laptop.
> >
> > It does not have this issue on a Broadwell laptop, also running at SuperSpeed.
>
> Then I must join Oliver, being very surprised by where in the stack you
> attempt to fix the issue. What you write above indicates a problem in
> pci bridge or usb host controller, doesn't it?
Indeed. And this means we need an XHCI specialist.
Mathias, we have a failure specific to one implementation of XHCI.
Regards
Oliver
next prev parent reply other threads:[~2016-11-10 11:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-04 9:57 [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function Kai-Heng Feng
2016-11-04 9:57 ` Kai-Heng Feng
2016-11-04 13:26 ` Alan Stern
2016-11-07 10:32 ` Oliver Neukum
2016-11-07 11:02 ` Oliver Neukum
2016-11-08 7:46 ` Kai-Heng Feng
2016-11-08 15:25 ` Alan Stern
2016-11-08 16:49 ` Bjørn Mork
2016-11-08 18:44 ` Alan Stern
2016-11-09 11:58 ` Oliver Neukum
2016-11-09 12:32 ` Bjørn Mork
2016-11-10 4:06 ` Kai-Heng Feng
2016-11-10 11:09 ` Bjørn Mork
2016-11-10 11:22 ` Oliver Neukum [this message]
2016-11-11 14:44 ` Mathias Nyman
2016-11-14 7:34 ` Kai-Heng Feng
2016-11-14 7:34 ` Kai-Heng Feng
2016-11-16 10:29 ` Kai-Heng Feng
2016-11-10 15:36 ` Alan Stern
2016-11-10 20:38 ` Bjørn Mork
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1478776957.2428.15.camel@suse.com \
--to=oneukum@suse.com \
--cc=bjorn@mork.no \
--cc=kai.heng.feng@canonical.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=mathias.nyman@linux.intel.com \
--cc=netdev@vger.kernel.org \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.