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Message-ID: <20240521085926.GO1421138@black.fi.intel.com>
Date: Tue, 21 May 2024 11:59:26 +0300
From: Mika Westerberg <mika.westerberg@...ux.intel.com>
To: Gia <giacomo.gio@...il.com>
Cc: Benjamin Böhmke <benjamin@...hmke.net>,
Mario Limonciello <mario.limonciello@....com>,
Christian Heusel <christian@...sel.eu>,
Linux regressions mailing list <regressions@...ts.linux.dev>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"stable@...r.kernel.org" <stable@...r.kernel.org>,
"kernel@...ha.zone" <kernel@...ha.zone>,
Andreas Noever <andreas.noever@...il.com>,
Michael Jamet <michael.jamet@...el.com>,
Yehezkel Bernat <YehezkelShB@...il.com>,
"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
"S, Sanath" <Sanath.S@....com>
Subject: Re: [REGRESSION][BISECTED] "xHCI host controller not responding,
assume dead" on stable kernel > 6.8.7
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
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