[Bug 208307] New: Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously

[Bug 208307] New: Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously

[bugzilla-daemon]

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@kernel-bugs.kernel.org
          Reporter: jian-hong@endlessm.com
        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

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[Bug 208307] Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=208307

--- Comment #1 from jian-hong@endlessm.com ---
Here is the USB tree and the Multi Flash Reader

$ lsusb -tv
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
    |__ Port 1: Dev 97, If 0, Class=Mass Storage, Driver=usb-storage, 480M
    |__ Port 2: Dev 7, If 1, Class=Wireless, Driver=btusb, 12M
    |__ Port 2: Dev 7, If 0, Class=Wireless, Driver=btusb, 12M
    |__ Port 3: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 3: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M
    |__ Port 4: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 12M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
    |__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
    |__ Port 3: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 480M

$ lsusb -vd 058f:6366

Bus 003 Device 055: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Couldn't open device, some information will be missing
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.01
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x058f Alcor Micro Corp.
  idProduct          0x6366 Multi Flash Reader
  bcdDevice            1.00
  iManufacturer           1 
  iProduct                2 
  iSerial                 3 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0020
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              100mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass         8 Mass Storage
      bInterfaceSubClass      6 SCSI
      bInterfaceProtocol     80 Bulk-Only
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0

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[Bug 208307] Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=208307

--- Comment #2 from jian-hong@endlessm.com ---
Created attachment 289857
  --> https://bugzilla.kernel.org/attachment.cgi?id=289857&action=edit
The raw trace by usbmon listening on bus 3

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Re: [Bug 208307] New: Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously

[Alan Stern]

On Wed, Jun 24, 2020 at 05:05:49AM +0000, bugzilla-daemon@bugzilla.kernel.org wrote:
> 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

> 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.

Try disabling Link Power Management for this device:

   echo 058f:6366:k >/sys/module/usbcore/parameters/quirks

Alan Stern

[Bug 208307] Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=208307

--- Comment #3 from Alan Stern (stern@rowland.harvard.edu) ---
On Wed, Jun 24, 2020 at 05:05:49AM +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> 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

> 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.

Try disabling Link Power Management for this device:

   echo 058f:6366:k >/sys/module/usbcore/parameters/quirks

Alan Stern

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[Bug 208307] Alcor Micro Corp. Multi Flash Reader [058f:6366] keeps being detected and removed continuously

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=208307

--- Comment #4 from jian-hong@endlessm.com ---
(In reply to Alan Stern from comment #3)
> On Wed, Jun 24, 2020 at 05:05:49AM +0000,
> bugzilla-daemon@bugzilla.kernel.org wrote:
> Try disabling Link Power Management for this device:
> 
>    echo 058f:6366:k >/sys/module/usbcore/parameters/quirks
Thanks for your information.  But the issue still happen, after the quirk is
applied.

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