Messages in this thread | | | Subject | Re: Dell Inspiron 5558/0VNM2T hangs at resume from suspend when USB 3 is enabled | From | Mathias Nyman <> | Date | Mon, 20 Mar 2017 18:32:09 +0200 |
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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
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