Re: Dell XPS 13 9360/Dell DA300: USB Type-C: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Receiver ID)

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On Mon, Sep 12, 2022 at 03:36:09PM +0200, Paul Menzel wrote:
> Dear Linux folks,
> 
> 
> On a Dell XPS 13 9360/0596KF, BIOS 2.21.0 06/02/2022, connect a Dell DA300
> to the only USB Type-C port on the left side (with a network cable connect),
> Linux logs the warnings below:

> Linux version 5.19.0-1-amd64 (debian-kernel@xxxxxxxxxxxxxxxx) (gcc-11 (Debian 11.3.0-5) 11.3.0, GNU ld (GNU Binutils for Debian) 2.38.90.20220713) #1 SMP PREEMPT_DYNAMIC Debian 5.19.6-1 (2022-09-01)

> [    5.710957] pci 0000:01:00.0: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Receiver ID)
> [    5.710959] pci 0000:01:00.0:   device [8086:1576] error status/mask=00000080/00002000
> [    5.710962] pci 0000:01:00.0:    [ 7] BadDLLP

Your dmesg log has many (51!) BadDLLP errors (which are corrected) and
one Replay Timer Timeout error (also corrected).  I'm not a hardware
person, but I don't know how software could cause these errors.

Unless this is a regression, I suspect a hardware issue like a bad
cable or connector.

> I created the bug report #216474 [1] with the output of `lspci -nn`, `lsusb`
> and `dmesg`.
> 
> [1]: https://bugzilla.kernel.org/show_bug.cgi?id=216474
>      "Bug 216474 - Dell XPS 13 9360/Dell DA300: USB Type-C: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Receiver ID)"



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