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 2A512514745 for ; Thu, 3 Sep 2026 22:12:31 +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=1788473552; cv=none; b=GQsy95jC2dWH9VPKFL9sFrX9Q7bx4w6GUFAANcWfyopz1ixmB9sM03AH8p1qLevtYmTM0LcApCRoOtg9d7F+k3pZSZZxMrZ+BcMnBgohcepfw8Gi0Hrv8QwaQCLWWDEfpyMjlq/DhyOwZbPpLVeyM4b+DW5r5gKkJaD4E+fmJRQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788473552; c=relaxed/simple; bh=VAp+oYCCjSNtSAiMBPgaAiqZy4tZ/TVBYG6Vp3jGdX0=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=IkiXYcLzsLATtfO8ehhw6EIIDMk3V4b/OqJp/b9QXdnnITwqK9IAbczShUCnrjql2HbkC9DNbKQWbX/q4RbWhh1km8UPOAK82zVJB82v5LO4JfL/X+USMNWrbza/ZeE8pNZFKIcgcvRMSo/e1kCISk02y4vAAKFoi7ThKwsI74A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mq3ZaFHf; 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="mq3ZaFHf" Received: by smtp.kernel.org (Postfix) with ESMTPS id A1BD5C2BCFD for ; Thu, 3 Sep 2026 22:12:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788473551; bh=VAp+oYCCjSNtSAiMBPgaAiqZy4tZ/TVBYG6Vp3jGdX0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mq3ZaFHfV2Dd5iLyq9Ku8Ipy8vPcJVZYEeTVvvW671JUh6ce4iM+Yr/34nH/CP0bj lxly0q6R12hgzafhE4ooFFYKYu74gdIO6HR9HxNzVOlAsIKFD2NrvM/ncReX6xHVNS syVGBnyvBnEr/QDXhuuUg3X8eKFA6BOc8k0GCdGfCFW581PmSx5ovQgx4X3UExJ7hf FlmkHGp1pIPy0zMbX+EoogLT4gocMUsUSjP0TtLeTp43sOD21un1OIkVEdfbjkWjdW IRzUXKUgNElSX70fHjsEo0ObuJgX5RgPShjEBck3pGVywP6vczJ8p2hA/j83XYkVCi HuN55v0+5eysw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 91EC1C41613; Thu, 3 Sep 2026 22:12:31 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 221103] xhci_hcd: System lockup under CPU load during usbfs polling of USB devices on AMD platforms Date: Thu, 03 Sep 2026 22:12:31 +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: voltara@gmail.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: 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=3D221103 --- Comment #41 from Andrew Skalski (voltara@gmail.com) --- Created attachment 310779 --> https://bugzilla.kernel.org/attachment.cgi?id=3D310779&action=3Dedit Test program that crashes by writing on/auto to pci power control (In reply to Andrew Skalski from comment #40) > I wrote a program that opens "/dev/bus/usb/002/001" That was a typo, I meant to write "/sys/bus/pci/devices/0000:e4:00.4/power/control". I think I'll just attach the program... --=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.=