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[83.28.43.184]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b55d8c124a8sm881024866b.51.2025.10.13.01.46.24 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 13 Oct 2025 01:46:25 -0700 (PDT) Date: Mon, 13 Oct 2025 10:46:21 +0200 From: Michal Pecio To: Pierre Tomon Cc: Greg KH , linux-usb@vger.kernel.org Subject: Re: USB disconnection after mounting file system Message-ID: <20251013104621.29418939.michal.pecio@gmail.com> In-Reply-To: <4cjC4c3F8BzrTr@smtp-3-0000.mail.infomaniak.ch> References: <4chgTL1WjjzCqn@smtp-3-0000.mail.infomaniak.ch> <2025100905-gestation-founder-3e70@gregkh> <20251009160731.58dd47bb.michal.pecio@gmail.com> <4cjC4c3F8BzrTr@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-Transfer-Encoding: 7bit On Thu, 9 Oct 2025 14:31:59 -0000, Pierre Tomon wrote: > As soon as I mount ext4, the activity LED flashes continuously on the > dock. This does not happen with NTFS. > > I tested it for about 10 hours with NTFS, even when the drive was > asleep, no disconnection. That's suspicious indeed. Might be that mounting ext4 somehow triggers a bug in this hardware. Does it work normally while it's blinking before disconnecting? What sort of USB chip is in this HDD dock (lsusb)? Did you try searching for other reports about problems with this chip? Regards, Michal