On Mon, Feb 4, 2019 at 10:49 AM Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> wrote: > > On 04.02.2019 17:27, Alan Stern wrote: > > > > I would prefer to see the underlying cause for this problem figured > > out. Why is the USB3 port stuck in polling mode? Is it a hardware > > issue or a software bug? > > > > More detailed debugging logs might help. > > > Eric, can you take logs of this? > > For adding xhci tracing > > mount -t debugfs none /sys/kernel/debug > echo 81920 > /sys/kernel/debug/tracing/buffer_size_kb > echo 1 > /sys/kernel/debug/tracing/events/xhci-hcd/enable > > after failed suspend attempt show /sys/kernel/debug/tracing/trace > > For adding xhci and usb core dynamic debug: > > echo -n 'module xhci_hcd =p' > /sys/kernel/debug/dynamic_debug/control > echo -n 'module usbcore =p' >/sys/kernel/debug/dynamic_debug/control Sure, please see the requested logs attached. Thanks for taking a look. -Eric
Attachment:
xhci_hcd_trace.log.bz2
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Attachment:
journalctl.log.bz2
Description: application/bzip
