Re: [REGRESSION][BISECTED] "xHCI host controller not responding, assume dead" on stable kernel > 6.8.7

Gia
2024-05-21T08:15:40Z

Here you go:

0x0080 0x003c01c0 0b00000000 00111100 00000001 11000000 .... LANE_ADP_CS_0
[00:07] 0xc0 Next Capability Pointer
[08:15] 0x1 Capability ID
[16:19] 0xc Supported Link Speeds
[20:21] 0x3 Supported Link Widths (SLW)
[22:23] 0x0 Gen 4 Asymmetric Support (G4AS)
[26:26] 0x0 CL0s Support
[27:27] 0x0 CL1 Support
[28:28] 0x0 CL2 Support
0x0081 0x0828003c 0b00001000 00101000 00000000 00111100 .... LANE_ADP_CS_1
[00:03] 0xc Target Link Speed → Router shall attempt Gen 3 speed
[04:05] 0x3 Target Link Width → Establish a Symmetric Link
[06:07] 0x0 Target Asymmetric Link → Establish Symmetric Link
[10:10] 0x0 CL0s Enable
[11:11] 0x0 CL1 Enable
[12:12] 0x0 CL2 Enable
[14:14] 0x0 Lane Disable (LD)
[15:15] 0x0 Lane Bonding (LB)
[16:19] 0x8 Current Link Speed → Gen 2
[20:25] 0x2 Negotiated Link Width → Symmetric Link (x2)
[26:29] 0x2 Adapter State → CL0
[30:30] 0x0 PM Secondary (PMS)

On Tue, May 21, 2024 at 7:11 AM Mika Westerberg
<mika.westerberg@linux.intel.com> wrote:
>
> Hi,
>
> On Mon, May 20, 2024 at 07:30:28PM +0200, Gia wrote:
> > In my case I use the official Thunderbolt cable that came with my
> > CalDigit TS3 Plus and yet the log - attached in a previous email -
> > says current link speed 10.0 Gb/s. I just tried a good quality USB4
> > cable too and nothing changed.
>
> I will take a look at your logs today but in the meantime can you run
> following command on the system with the dock connected?
>
> # tbdump -r 0 -a 1 -vv -N 2 LANE_ADP_CS_0
>
> Here tbdump comes from https://github.com/intel/tbtools. It should be
> pretty straighforward to build but let me know if any issues
> (unfortunately there is no binary package available at this time).
>
> The '-a 1' should match the adapter the dock is connected. You can get
> it for instance like this (this is an example from my system):
>
> # tblist
> Domain 0 Route 0: 8087:7eb2 Intel Gen14
> Domain 0 Route 1: 003d:0011 CalDigit, Inc. TS3 Plus
> Domain 1 Route 0: 8087:7eb2 Intel Gen14
>
> Here the CalDigit has "Route 1" so it means I use "-a 1" above. It could
> be also "Domain 0 Route 3" in which case replace the "-a 1" with "-a 3".
>
> This command should dump two lane adapter registers LANE_ADP_CS_0/1 that
> show the link capabilities.