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 9828B2DEA83 for ; Wed, 5 Nov 2025 08:48:23 +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=1762332503; cv=none; b=B+33fkA4S5yrt9iD8SDdttH9ttRp9qaD68DC+YJ17sD9qbsJkQLQGxvN2ZBZ/sHMoiq7PNcEm0f8wwl5BdjUHJEbZJs12KeYRILbTuu+OxdoIhZWNQehl87frnncUjwP/J5qvxYXBd8AJBjXQUOab6Exx7qcwbKy4/6KqCO/rpk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762332503; c=relaxed/simple; bh=EZligCjiMuGp+tPa0LkB08lQJZ7PYZh7EcSFvva+h0k=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=m222tr4mTrlQyRtb/fRm11tVc9WS9/6Qhf2s2Xv2E4A0pQ4fbusT/+CSiaYU41AYx/DY43PNkI+Zg9x6FSZJbqN/xUjD0TkPlXyUPWGbdF/qiZ5RP3++VfoSZyJ5I4eMYmrYqU5iLs6GQekJnpvd+/pE+LDxR4m1D0WpOd640CA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ER1B8Vwt; 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="ER1B8Vwt" Received: by smtp.kernel.org (Postfix) with ESMTPS id 18588C19423 for ; Wed, 5 Nov 2025 08:48:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762332503; bh=EZligCjiMuGp+tPa0LkB08lQJZ7PYZh7EcSFvva+h0k=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ER1B8VwtTIH6diRAr3NDRXPbln1FXCctHD3GjU6TwxpgzKNueJjVq+jdlS7RQTcV/ ZaFZVwTGQwTAcqSEuTAVV7EnymaD6WlJRhH38wFTg1myiQUHB7HE3pWsQef9E+vhKb p1WPF66AL1PM5Sp22HFEJyVMdIR3JTtFbxAR7iVn52SwzquR4ooxAcNccVWT3K+zWx ipArVhYnGOj5+G1kDP2Xg7k8qvhB4e4ACUp/ggUDz9SNXe9OIZlfPGmgmr5A4lL/6G Bl6tMX13o91MSeQ38o8kGu/f58by48K77qibsSYFz94kckCGss+R3LXsjp8zJSV5AI lZ1kE47utkAhQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 13359C53BC5; Wed, 5 Nov 2025 08:48:23 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 220748] usb: xhci_queue_isoc_tx_prepare ignore start_frame and always assumes URB_ISO_ASAP is set Date: Wed, 05 Nov 2025 08:48:22 +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: nick83ola@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: 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=3D220748 --- Comment #2 from Nicola Lunghi (nick83ola@gmail.com) --- I haven't tried any changes as I'm not familiar with usb devices and wanted some feedback first > Did you try the obvious? > + if (!(urb->transfer_flags & URB_ISO_ASAP)) > + goto skip_start_over; > /* Calculate the start frame and put it in urb->start_frame. */ I can try this and see if it works yes. my problem is how to see/debug this? --=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.=