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 E853019D8AC for ; Fri, 3 Jul 2026 04:00:37 +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=1783051238; cv=none; b=vAtMjyuZUmiXJ+9Sbe3aOPP47nZRNYIFjyw6sc4/0LrBS6L45SZkIHAunJclcJQ1ldtrMQ6klzAyQ8Gx6Z5Psnp/i+4B0t0Ki6tFRN91uNj41FO3tbYcO6CpdlCiF8R9GEUb/d5ixiEWz5xn+HiHjIzXsHkeayWLS9IVrVDFtrU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783051238; c=relaxed/simple; bh=17GXzsmHrOAmH8NZwdJdXiQEi9UNFsmzz79r7E9QVsc=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=bTiIL+IkNdGQBlDU05bMV02ZmQBZDwep1UqBGRFUMTPzeqT4wuHdgc+FELF9AjP36kREBrE0EhBek4tJVmY/yF7V3BZ6hG4KjqeThzbyC3vvONVIeThl7isQ2dZw+3yrwOV0Sc8LEHPFcX53sMxBLSiJAtrChcSrrdzCTEEPsG8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XpDqwZX8; 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="XpDqwZX8" Received: by smtp.kernel.org (Postfix) with ESMTPS id A6A9DC2BCB8 for ; Fri, 3 Jul 2026 04:00:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1783051236; bh=17GXzsmHrOAmH8NZwdJdXiQEi9UNFsmzz79r7E9QVsc=; h=From:To:Subject:Date:From; b=XpDqwZX8qNoG6jQ1anlaW2tjdePJE2MJa7CYSxq9Pf45qGkk2vmBJ3gAyIIoWjebp UDMTCTHH6vBnAuG7yE4krPrLLIFuDJxC03QFD71e67kEHD+Tg1X9KVoQWz1lnOgj7L Mf8Ki9co7GrC0lekBalpWE4rEANm0L6ZJhEI1qS5BmFePXLtZ6uw+F5Rs0DvQXzNR0 KWx08lpZkIY1uY+XsA2ZB7ydN3gl/GP5K4DIRpUjJtJsRS55MTM3uzHkbfw1ndzUPH vmgx/zF5jAHHKszHaTuSu6zV3bkEZ/A2nuIibijgViMp9OkKuCQlQX0jPYLdpP6S2a y+YzdaxihW/aQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 42C68C3279F; Fri, 3 Jul 2026 04:00:36 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 221716] New: JHL9580 Barlow Ridge TB5: host_reset timeout, PCIe tunneling broken Date: Fri, 03 Jul 2026 04:00:35 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new 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: liqysir@qq.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: 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=3D221716 Bug ID: 221716 Summary: JHL9580 Barlow Ridge TB5: host_reset timeout, PCIe tunneling broken Product: Drivers Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: USB Assignee: drivers_usb@kernel-bugs.kernel.org Reporter: liqysir@qq.com Regression: No JHL9580 Barlow Ridge (8086:5780/5781) Thunderbolt 5 / USB4 v2 host controller has incomplete Linux support through v7.2-rc1. Symptoms: - host_reset times out (REG_RESET HRR stays 0x01, even with 5000ms time= out) - REG_FW_STS is read-only (0x00000000), ICM firmware cannot start - USB3 tunneling works (XHCI pass-through), PCIe tunneling broken - eGPU GPU never appears in lspci Tested: kernel 7.0.0-22, 7.0.0-27, 7.1.2 =E2=80=94 all same issue. Hardware: MSI MS-15M3 (Arrow Lake-HX Ultra 9 275HX) + GIGABYTE AORUS RTX5090 AI BOX. Root causes identified: 1. get_upstream_port() in icm.c does not recognize 0x5780 2. icm_probe() has no case for 0x5781 3. icm_firmware_reset() =E2=86=92 pcie2cio_write() times out on Barlow = Ridge Patch attempted (adds 0x5780/0x5781 to icm.c) =E2=80=94 icm_probe succe= eds but CIO reset times out. Correct Barlow Ridge CIO reset sequence needed. Full diagnosis email sent to linux-usb@vger.kernel.org. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=