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

Gia
2024-05-21T09:12:22Z

Here you have the output from the dock upstream port:

sudo tbdump -r 2 -a 1 -vv -N2 LANE_ADP_CS_0

0x0036 0x003c013e 0b00000000 00111100 00000001 00111110 .... LANE_ADP_CS_0
[00:07] 0x3e 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
0x0037 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 10:59 AM Mika Westerberg
<mika.westerberg@linux.intel.com> wrote:
>
> On Tue, May 21, 2024 at 10:15:28AM +0200, Gia wrote:
> > 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)
>
> Thanks this looks fine (although the link is still Gen 2). Can you run
> the same from the dock upstream port too?
>
> # tbdump -r 2 -a 1 -vv -N2 LANE_ADP_CS_0