From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 311B73C276D for ; Tue, 3 Mar 2026 14:56:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772549768; cv=none; b=bcHuBlI3U1a6KeFs1G1NfJcOXA3fFePKlMUqASzv0iyTVXt0y+1FfQvgUHEFS2wqwTN4zPyjGdBmgwypc3HR6PzUmbjBJ48DFW7s/TrKwsmUxs0kxdr7TrXf0YvTqPln8bPzrJ/FccHzogRItfsP/TMrV0vaiJZF+SmYcwGaFGQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772549768; c=relaxed/simple; bh=6tcgibjX2+3jGlcB3REJfdAE0VoiqGiX8rG7EVxXCtc=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=MS/HiDv8Hk5t58H9VEwvTz2XbjbXoePrfcEjfFWfzJwnXxMvl/DVpxb83jCNIsOQ4W/XeVIJ6OfkwoI+QrhLmheb1H+9dMEcQT3eNVFU+Da0jGHzPqBkcoBmG7UrJlkH8R/qkKFqRWsS54/8w4hrn0+f5Gv5sAkNoohKgIfc4GI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NMff7k/2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NMff7k/2" Received: by smtp.kernel.org (Postfix) with ESMTPS id E38EFC2BCAF for ; Tue, 3 Mar 2026 14:56:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772549767; bh=6tcgibjX2+3jGlcB3REJfdAE0VoiqGiX8rG7EVxXCtc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=NMff7k/2rSn9t5Qql/L9vYkXNQmMC/Vh5E281di+Otl50U4XnKRZLx9ypwhxgOEVt es431aOng6vAgv7a+5MRHFpp9O5fDzHVDUGrHsY1uO02RurUo2LAaioEyPC8hnaef7 9EEW7ohb8lTX7zffq8aJ3kqKKUBOWpMRgTMv/QA+lk6QHU7fxoUYgySp3Jl94topc2 9aLR6UanHIJffpqOTCOdgNNnoSikR9SpbqOZzyn49tm441balfJ+4RAmS+cRoiJISC g5CAW0WTmCJbTT6LO+TMP9P/rhU1b4DhA62DyBDwrvRglykyfggC8/enhNUIIuytSL 9saMln2PrEMQg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id DBAF1C433E1; Tue, 3 Mar 2026 14:56:07 +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 14:56:07 +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 #23 from David Hubbard (david.c.hubbard@gmail.com) --- Created attachment 309526 --> https://bugzilla.kernel.org/attachment.cgi?id=3D309526&action=3Dedit comment16-dmesg02.gz I'm fascinated with diagnosing the xHC USBSTS with the EINT bit set, using = the instructions in comment #5. I'm zeroing in on that. Maybe the issues with resume taking 10 seconds in comment #19 can be considered separately in a different bug? My kernel has hand-applied patches I backported from https://github.com/mkopec/linux/tree/hdmi_frl to 6.17.7 (ROCm 6.4 is still = 10% faster than newer ROCm versions). I also applied the Mediatek driver patche= s in https://zbowling.github.io/mt7925/. Anyway, I took a few interesting captures: Cap1: used power button to resume. Can anyone else confirm this is a workaround? The bug did not appear for this attempt. * For some reason, debugfs files were all 0 in size? Cap2: used space bar on keyboard to resume. Bug appeared. * For some reason, debugfs files were all 0 in size? # free total used free shared buff/cache=20=20 available Mem: 32636908 4008008 27282920 35664 1764500=20=20= =20 28628900 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 power button to resume, no bug) # tar czf cap01.tgz /sys/kernel/debug/usb/xhci/0000\:c2\:00.4 # dmesg | gzip > dmesg01.gz # systelctl shutdown # (press power button, wait for system to boot) # echo "module xhci_hcd +p" >/proc/dynamic_debug/control # systemctl suspend # (wait 2 minutes, press spacebar, get this in dmesg) [ 243.002269] 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) # tar czf cap02.tgz /sys/kernel/debug/usb/xhci/0000\:c2\:00.4 # dmesg | gzip > dmesg02.gz --=20 You may reply to this email to add a comment. 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