From: Greg KH <gregkh@linuxfoundation.org>
To: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: Mathias Nyman <mathias.nyman@intel.com>,
USB list <linux-usb@vger.kernel.org>,
Mario Limonciello <mario.limonciello@dell.com>
Subject: Re: usb usb1-port10: disabled by hub (EMI?), re-enabling...
Date: Tue, 8 Dec 2020 09:57:40 +0100 [thread overview]
Message-ID: <X89ABDFgyjpQPeRq@kroah.com> (raw)
In-Reply-To: <c8408e58-8bc3-dbe7-2a99-1b1f0d3eae21@molgen.mpg.de>
On Tue, Dec 08, 2020 at 09:18:08AM +0100, Paul Menzel wrote:
> Dear Linux folks,
>
>
> On a Dell Precision 3540/0M14W7, BIOS 1.9.1 07/06/2020
>
> $ lspci -nn | grep -i usb
> 00:14.0 USB controller [0c03]: Intel Corporation Cannon Point-LP USB 3.1
> xHCI Controller [8086:9ded] (rev 30)
> 3a:00.0 USB controller [0c03]: Intel Corporation JHL6340 Thunderbolt 3
> USB 3.1 Controller (C step) [Alpine Ridge 2C 2016] [8086:15db] (rev 02)
>
> at each boot Linux 5.6 to 5.9 logs the error below.
>
> [ 95.528190] usb usb1-port10: disabled by hub (EMI?), re-enabling...
>
> Everything seems to be fine, so I wonder, why this is level error. Is it a
> hardware error?
Yes, it is a hardware issue.
thanks,
greg k-h
next prev parent reply other threads:[~2020-12-08 8:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-08 8:18 usb usb1-port10: disabled by hub (EMI?), re-enabling Paul Menzel
2020-12-08 8:57 ` Greg KH [this message]
2020-12-08 9:27 ` Paul Menzel
2020-12-08 18:16 ` Limonciello, Mario
2020-12-12 11:01 ` Paul Menzel
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