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Tue, 3 Mar 2026 15:51:17 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 221073] xHCI host controller dies on resume from s2idle on AMD Strix Halo [1022:1587] Date: Tue, 03 Mar 2026 15:51:16 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: david.c.hubbard@gmail.com X-Bugzilla-Status: NEEDINFO X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D221073 --- Comment #26 from David Hubbard (david.c.hubbard@gmail.com) --- Created attachment 309532 --> https://bugzilla.kernel.org/attachment.cgi?id=3D309532&action=3Dedit comment25-cap03.tgz Ok tried it again: Cap3: # free total used free shared buff/cache=20=20 available Mem: 32636916 3709384 27486748 37088 1822492=20=20= =20 28927532 Swap: 0 0 0 # (this shows 32GB free because the BIOS setting is iGPU =3D custom, iGPU m= emory =3D 96GB) # echo "module xhci_hcd +p" >/proc/dynamic_debug/control # systemctl suspend # (wait 2 minutes, press spacebar, get this in dmesg) [ 183.231723] xhci_hcd 0000:c2:00.4: xHCI host controller not responding, assume dead # (unplug usb hub from c2:00.4 and plug it into c4:00.0, keyboard and mouse alive again) # cd /; find sys/kernel/debug/usb/xhci/0000\:c2\:00.4 -type f | while read = a; do echo "$a"; mkdir -p "/home/user/c/$(dirname "$a")"; cp "$a" "/home/user/c/$a"; done sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/FS_BW cp: error reading 'sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/FS_BW': Cannot send after transport endpoint shutdown sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/HS_BW cp: error reading 'sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/HS_BW': Cannot send after transport endpoint shutdown sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/SS_BW cp: error reading 'sys/kernel/debug/usb/xhci/0000:c2:00.4/port_bandwidth/SS_BW': Cannot send after transport endpoint shutdown sys/kernel/debug/usb/xhci/0000:c2:00.4/ports/port01/portsc sys/kernel/debug/usb/xhci/0000:c2:00.4/ports/port02/portsc sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/trbs sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/cycle sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/dequeue sys/kernel/debug/usb/xhci/0000:c2:00.4/event-ring/enqueue sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/trbs sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/cycle sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/dequeue sys/kernel/debug/usb/xhci/0000:c2:00.4/command-ring/enqueue sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-dbc:00 sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-protocol:01 sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-protocol:00 sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-ext-legsup:00 sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-runtime sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-op sys/kernel/debug/usb/xhci/0000:c2:00.4/reg-cap # dmesg | gzip > dmesg03.gz --=20 You may reply to this email to add a comment. 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