https://bugzilla.kernel.org/show_bug.cgi?id=208307 Bug ID: 208307 Summary: Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously Product: Drivers Version: 2.5 Kernel Version: 5.8-rc2 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: USB Assignee: drivers_usb@xxxxxxxxxxxxxxxxxxxxxx Reporter: jian-hong@xxxxxxxxxxxx Regression: No Created attachment 289855 --> https://bugzilla.kernel.org/attachment.cgi?id=289855&action=edit The full dmesg We have a laptop equipped with AMD Ryzen 5 4500U with Radeon Graphics. The Alcor Micro Corp. Multi Flash Reader keeps being detected and removed continuously. Then, once the storage modules try to access it, there will be the failure. These messages keep showing up like floods in the kernel message log. [ 8.371606] usb 3-1: new high-speed USB device number 9 using xhci_hcd [ 8.501528] usb 3-1: New USB device found, idVendor=058f, idProduct=6366, bcdDevice= 1.00 [ 8.501529] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 8.501530] usb 3-1: Product: Flash Card Reader/Writer [ 8.501531] usb 3-1: Manufacturer: Generic [ 8.501531] usb 3-1: SerialNumber: 058F63666485 [ 8.501914] usb-storage 3-1:1.0: USB Mass Storage device detected [ 8.502053] scsi host3: usb-storage 3-1:1.0 [ 9.547020] scsi 3:0:0:0: Direct-Access Multiple Card Reader 1.00 PQ: 0 ANSI: 4 [ 9.547104] sd 3:0:0:0: Attached scsi generic sg1 type 0 [ 9.966614] usb 3-1: reset high-speed USB device number 9 using xhci_hcd [ 10.204353] usb 3-1: USB disconnect, device number 9 [ 10.211655] sd 3:0:0:0: [sdb] Read Capacity(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 10.211657] sd 3:0:0:0: [sdb] Sense not available. [ 10.211661] sd 3:0:0:0: [sdb] 0 512-byte logical blocks: (0 B/0 B) [ 10.211662] sd 3:0:0:0: [sdb] 0-byte physical blocks [ 10.211670] sd 3:0:0:0: [sdb] Write Protect is off [ 10.211671] sd 3:0:0:0: [sdb] Mode Sense: 00 00 00 00 [ 10.211678] sd 3:0:0:0: [sdb] Asking for cache data failed [ 10.211678] sd 3:0:0:0: [sdb] Assuming drive cache: write through [ 10.218103] sd 3:0:0:0: [sdb] Read Capacity(10) failed: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 10.218106] sd 3:0:0:0: [sdb] Sense not available. [ 10.218132] sd 3:0:0:0: [sdb] Attached SCSI removable disk -- You are receiving this mail because: You are watching the assignee of the bug.
