From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Diego Viola <diego.viola@gmail.com>
Cc: mathias.nyman@intel.com, Roger <rogerable@realtek.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Greg KH <gregkh@linuxfoundation.org>,
Wei WANG <wei_wang@realsil.com.cn>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Linux USB List <linux-usb@vger.kernel.org>,
Alan Stern <stern@rowland.harvard.edu>
Subject: Re: Dell Inspiron 5558/0VNM2T hangs at resume from suspend when USB 3 is enabled
Date: Mon, 20 Mar 2017 18:32:09 +0200 [thread overview]
Message-ID: <58D00409.7060205@linux.intel.com> (raw)
In-Reply-To: <CA+ToGPFXoqfn7PyM6iDthMN0jWVC5EKUtmzc3M-gJxcy1he_nw@mail.gmail.com>
On 20.03.2017 17:39, Diego Viola wrote:
> On Mon, Mar 20, 2017 at 11:21 AM, Mathias Nyman
> <mathias.nyman@linux.intel.com> wrote:
>> On 19.03.2017 23:29, Diego Viola wrote:
>>>
>>>> Still a problem with 4.11.0-rc2-ARCH+
>> 4.11-rc2 has better xhci tracing, it shows each URB enqueue and dequeue and
>> giveback.
>>
>> Could you try enabling xhci tracing before suspending (not the same as xhci
>> verbose dynamic debug)
>> It will generate a lot of data, so better to remove all extra USB devices.
>>
>> xhci tracing can be added with:
>>
>> mount -t debugfs none /sys/kernel/debug
>> echo xhci-hcd >> /sys/kernel/debug/tracing/set_event
>>
>> and then send the output of cat /sys/kernel/debug/tracing/trace
>
> https://bugzilla.kernel.org/attachment.cgi?id=255367
>
> This is with Linux 4.11.0-rc3-ARCH.
>
> USB mouse/keyboard was unplugged before booting the machine.
>
> I didn't do a suspend/resume before getting this trace, should I do that?
>
> Should I reproduce the hang and get a netconsole dmesg capture with
> tracing enabled?
A trace and a dmesg of the same suspend/reusume hang would be great.
And if you can then one of a succesful suspend/resume for reference.
(I haven't yet checked the one you added to bugzilla)
-Mathias
next prev parent reply other threads:[~2017-03-20 16:33 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-08 18:49 Dell Inspiron 5558/0VNM2T hangs at resume from suspend when USB 3 is enabled Diego Viola
2017-03-08 19:59 ` Diego Viola
2017-03-08 20:15 ` Greg KH
2017-03-08 20:40 ` Diego Viola
2017-03-09 14:11 ` Diego Viola
2017-03-09 17:15 ` Diego Viola
2017-03-14 17:20 ` Diego Viola
2017-03-14 19:15 ` Diego Viola
2017-03-15 14:00 ` Diego Viola
2017-03-16 14:03 ` Ulf Hansson
2017-03-16 15:07 ` Alan Stern
2017-03-16 15:45 ` Diego Viola
2017-03-16 15:51 ` Diego Viola
2017-03-16 16:02 ` Diego Viola
2017-03-16 16:19 ` Diego Viola
2017-03-16 17:14 ` Diego Viola
2017-03-16 18:47 ` Diego Viola
2017-03-17 15:55 ` Diego Viola
2017-03-17 16:24 ` Alan Stern
2017-03-17 16:57 ` Diego Viola
2017-03-17 20:18 ` Diego Viola
2017-03-19 21:29 ` Diego Viola
2017-03-20 14:21 ` Mathias Nyman
2017-03-20 15:39 ` Diego Viola
2017-03-20 16:32 ` Mathias Nyman [this message]
2017-03-20 18:27 ` Diego Viola
2017-03-20 23:15 ` Diego Viola
2017-03-21 13:04 ` Diego Viola
2017-03-21 15:29 ` Diego Viola
2017-03-21 22:52 ` Diego Viola
2017-03-22 17:51 ` Mathias Nyman
2017-03-23 17:02 ` Mathias Nyman
2017-03-23 17:12 ` Diego Viola
2017-03-24 13:12 ` [RFT PATCH] xhci: Manually give back cancelled URBs if queuing for cancel fails Mathias Nyman
2017-03-24 16:25 ` Dell Inspiron 5558/0VNM2T hangs at resume from suspend when USB 3 is enabled Diego Viola
2017-03-27 7:04 ` Mathias Nyman
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