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@xxxxxxxxxxxxxxx> 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