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From: Oliver Neukum <oneukum@suse.com>
To: Kai-Heng Feng <kai.heng.feng@canonical.com>,
	Mathias Nyman <mathias.nyman@linux.intel.com>,
	Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Kent Lin <kent.lin@canonical.com>,
	Linux PCI <linux-pci@vger.kernel.org>,
	Linux USB List <linux-usb@vger.kernel.org>
Subject: Re: Titan Ridge xHCI may stop to working after re-plugging the dock
Date: Wed, 10 Jul 2019 13:49:59 +0200
Message-ID: <1562759399.5312.6.camel@suse.com> (raw)
In-Reply-To: <993E78A1-2A60-46D8-AA51-F4CB077E48D1@canonical.com>

Am Dienstag, den 09.07.2019, 21:10 +0800 schrieb Kai-Heng Feng:
> Hi Mika and Mathias,
> 
> I’ve filed a bug [1] which renders docking station unusable.
> 
> I am not sure it's a bug in PCI, Thunderbolt or xHCI so raise the issue to  
> you both.
> 
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=203885
> 
> Kai-Heng
> 

The issue starts before you unplug. In fact it starts before
the dock is even detected the first time:

[   13.171167] rfkill: input handler disabled
[   19.781905] pcieport 0000:00:1c.0: PME: Spurious native interrupt!
[   19.781909] pcieport 0000:00:1c.0: PME: Spurious native interrupt!
[   20.109251] usb 4-1: new SuperSpeedPlus Gen 2 USB device number 2 using xhci_hcd
[   20.136000] usb 4-1: New USB device found, idVendor=0bda, idProduct=0487, bcdDevice= 1.47
[   20.136004] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   20.136007] usb 4-1: Product: Dell dock
[   20.136009] usb 4-1: Manufacturer: Dell Inc.
[   20.140607] hub 4-1:1.0: USB hub found
[   20.141004] hub 4-1:1.0: 4 ports detected
[   20.253025] usb 1-4: new high-speed USB device number 5 using xhci_hcd
[   20.403520] usb 1-4: New USB device found, idVendor=0bda, idProduct=5487, bcdDevice= 1.47
[   20.403521] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   20.403522] usb 1-4: Product: Dell dock
[   20.403522] usb 1-4: Manufacturer: Dell Inc.
[   20.404348] hub 1-4:1.0: USB hub found

This looks like a PCI issue.
In general, this kind of reporting sucks. We have to guess what you did at 19.781905

	Regards
		Oliver


  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-09 13:10 Kai-Heng Feng
2019-07-10 11:49 ` Oliver Neukum [this message]
2019-07-19  7:23   ` Felipe Balbi
2019-07-19 10:29     ` Kai Heng Feng
2019-07-19 10:51       ` Felipe Balbi
2019-07-22  9:44         ` Kai-Heng Feng
2019-07-24 14:45           ` Mathias Nyman
2019-07-25 13:24             ` Kai-Heng Feng
2019-08-13  6:50               ` Kai-Heng Feng
2019-08-14 13:34                 ` Mathias Nyman

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