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MIME-Version: 1.0 User-Agent: Betterbird (Linux) Reply-To: nils.reuter@gmx.net Content-Language: en-US, de-DE To: linux-usb@vger.kernel.org From: Nils Reuter Subject: [BUG] UAS protocol hangs on Realtek RTL9210B (0bda:9210, bcdDevice f0.01) Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:jaqFjyubhTBQj/vcAp3a2pIEg0Lhs+2Pt7Cc+tOR9Dt2mrdLUWP HG7XE60uY7mFF7c5HjAOpUA2r+GA9TLJURfqq2PZPdIIFz9/2jFxv7VSLhb8Kax3ksNRbte KXEcCqtMRhx554KbfHLvdI5V9Dp15hXjvKtWA6+XKyfqFL8Wp2m3NLh4LnxbSXH3YC6UQOj Rr81YMRciFt1YePHvYQsQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:45KvnL3Se7M=;+7z7fZ36gAUmsiySFztZNwmt3tG bfyBByoBGHhYM9VyQyTmlhPmH7GwW0fq9jD8HcNkv1EesVWIdgwKAxqwMy0tYfWyt2uDY8zKZ jHshdXg5Ws17Ok04Gh8VD4i82UOy4hoEtTYkQGrj5bY7rou/oAmD33E3WDtS+dSpQVpbp2xCZ A/4z1hxvUJgurO2KwoxX0ct+d7mYtOxukZhar/zqKd73azumS5hrwo5RBIiulYnyjmdRXFiq5 6kFcYhpyQlWEpVzBcE7xA/Yys3ZCmzl7vzUOct4WRQCAfInrddcNXaUoR0UkNO/XuC2/22Kks 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nliLvnjUUPzzK0Ug2UXILtgoevLH1cJqu6LXRNiOZsyyLIbLAy3F9grcfI5cXZ6kC3iollupc QqaQvm7dfcgsoH5kRLH/vM1+Iw4LDct8i0NzTMZNodRk3QH Hello, I would like to report a persistent UAS protocol issue with a Realtek=20 RTL9210B based M.2 enclosure. *Hardware Environment:* * Enclosure: Ugreen SKU 15813 (Model CM767) * Bridge Chip: Realtek RTL9210B (ID 0bda:9210, bcdDevice f0.01) * Drive: Transcend TS512GMTS430S (SATA M.2) * System: Debian /=C2=A0OpenMediaVault (Linux omv 6.18.12+deb13-amd64) * Kernel: 6.18.12-amd64 *Problem Description:* Under heavy I/O load (e.g., backup operations),=20 the device experience UAS protocol hangs. The kernel log shows multiple=20 |uas_eh_abort_handler| events, followed by SCSI read/write errors and a=20 device reset (error -71). Eventually, the device is offlined or=20 remounted as read-only. SMART logs show incrementing UDMA CRC errors (Attribute 199) during=20 these events, even though the hardware (cable/SSD) tests fine on other=20 platforms. *Logs:* |[timestamp] sd 1:0:0:0: [sdb] tag#18 uas_eh_abort_handler 0 uas-tag 15=20 inflight: CMD IN [timestamp] usb 2-1-port3: cannot reset (err =3D -71)=20 [timestamp] sd 1:0:0:0: Device offlined - not ready after error recovery | *Workaround:* The device works perfectly stable when UAS is disabled via= =20 usb-storage quirks: |options usb-storage quirks=3D0bda:9210:u| *Request:* Please consider adding this device (0bda:9210 with bcdDevice=20 f0.01) to the kernel's UAS quirks list to ensure out-of-the-box=20 stability for other users. Best regards, Nils Reuter =2D-=20 Nils Reuter Houbirggasse 7 90482 N=C3=BCrnberg nils.reuter@gmx.net