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([2001:a61:13ea:2801:a5e0:1486:6c57:8b2c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a18c1e33d2sm380625085e9.0.2026.10.12.02.58.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Oct 2026 02:58:14 -0700 (PDT) Message-ID: <3cdb8068-7af2-4754-96f9-5177a09cc3bf@suse.com> Date: Mon, 12 Oct 2026 11:58:12 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [BUG] uas: JMS578 returns reproducibly incorrect data after host reboot To: djraszit , Michal Pecio Cc: Oliver Neukum , Alan Stern , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org References: <1320caa3-85b5-47dc-aa2d-56d3b003c6ef@neukum.org> <20260915233818.5881ad97.michal.pecio@gmail.com> <20260916204713.22c4f575.michal.pecio@gmail.com> <6041fdad-78b9-4310-a86b-f9931563de19@suse.com> <20260917185650.7fdea3cb.michal.pecio@gmail.com> Content-Language: en-US From: Oliver Neukum In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 17.09.26 19:20, djraszit wrote: > So the current comparison is: > > USB_MSD_PWR_OFF_TIME=1000, bus-powered Genesys: > -> BAD-data after reboot > -> invalid alternate GPT > -> BAD direct-read hash > > USB_MSD_PWR_OFF_TIME=1000, externally powered Genesys: > -> 5 consecutive reboots GOOD > > USB_MSD_PWR_OFF_TIME=0, VBUS supplied by the Pi: > -> previously reproducible "Cannot enable" after consecutive reboots > > USB_MSD_PWR_OFF_TIME=0, externally powered Genesys: > -> several consecutive reboots GOOD Hi, if we come back to this , is there anything the kernel can do, even conceptually speaking? Regards Oliver