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 356AB2C21D9 for ; Thu, 9 Oct 2025 13:35:57 +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=1760016958; cv=none; b=CqaVhx/KAo4M1N0mDJSib5VhQVQPAvsNZbDuK0VISuHELrdiVWjvvT+jWQOxCJtUQIq4C6XyKnA9ogcwu9cU6DnZyalWVp/nRCXLFZg+YAL6kRUgXX1NUJ7VCwuog9M/DZUORyv+o7eDfmj6oPazmC4e6zZPo/LxONoXKC343vM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760016958; c=relaxed/simple; bh=lunV8up2Ehcot5A+mPHmQtApgTlrRcAcjaKwvsgayMA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uN0oztedjp3YxxL+ZE76RBlA+ISX6EjRZP/v0B7pVkW++jstkPtgxgaDejKWc5eE1iZn6Vgq99DPBxIhfZCqGwXrLQr2gsGhT8ZkxcTw2/Xm3sQ2Jn1Awry2pZdOD7ESJZw4pqNZFxU2FXXq+5gSE05tFOWSzaUXB07ScTABh94= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=GhsudpNK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="GhsudpNK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59E9EC4CEE7; Thu, 9 Oct 2025 13:35:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760016957; bh=lunV8up2Ehcot5A+mPHmQtApgTlrRcAcjaKwvsgayMA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GhsudpNKam29otPrqSsbYBMgjICpQcV1/vkNSUhlhjuiflc1xFQvknj5Gr3Xz/MCs lTvpvfbuCiDeHkcNTh26SdQnnrX3Pvg8t3wbLL+bMF965Rbl1hfMiudMLv7XxiZ2Gl 7z3bJGxRgzvMZRB90OtZkKzX1opsUigYpOF+oS/g= Date: Thu, 9 Oct 2025 15:35:55 +0200 From: Greg KH To: Pierre Tomon Cc: linux-usb@vger.kernel.org Subject: Re: USB disconnection after mounting file system Message-ID: <2025100905-gestation-founder-3e70@gregkh> References: <4chgTL1WjjzCqn@smtp-3-0000.mail.infomaniak.ch> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4chgTL1WjjzCqn@smtp-3-0000.mail.infomaniak.ch> On Wed, Oct 08, 2025 at 05:48:05PM -0000, Pierre Tomon wrote: > > Hello, > > On a new HD dock station I got USB disconnection intermittently, when > filsystem is mounted only, after this it automatically reconnect. On > this device, I use a C to A adapter to connect to the PC. > I have another hard drive enclosure, that use the same HD, with A-B > cable and this does not happen. Sounds like the cable is the issue, this is an electrical issue where the device disconnects from the host. We can't control this in the kernel. > Kernel 6.16.9 > FS: ext4, does not happen with NTFS. Perhaps ext4 pushes more data to the disk causing it to draw more power and things flake out? good luck! greg k-h