Hi Oliver I'm still trying to build a kernel with your patch applied but my Ubuntu system isn't cooperating :( See the sorry story at https://ubuntuforums.org/showthread.php?t=2453530 Regards and thank you again. David -----Original Message----- From: Oliver Neukum [mailto:oneukum@xxxxxxxx] Sent: 11 November 2020 11:44 To: David C. Partridge; linux-usb@xxxxxxxxxxxxxxx Subject: Re: Issues with LaCie USB3 drive and UAS Am Montag, den 09.11.2020, 15:21 +0000 schrieb David C. Partridge: > Update: I found out how to do it! > > Created /etc/modprobe.d/blacklist_uas.conf containing text: > > options usb-storage quirks=059f:105f:u > > followed by: update-initramfs -u > and rebooted. > > Now the device works fine and mkfs.ext4 finishes in seconds rather than hours. Hi, this is good for now. Could you test the attached patch and replace the "u" in your module options for usb-storage with a "k" (for the new quirk)? Regards Oliver
