On Wed, Jun 12, 2024 at 09:52:49AM -0700, Bart Van Assche wrote:
> Recently it was reported that the following USB storage devices are unusable
> with Linux kernel 6.9:
> * Kingston DataTraveler G2
> * Garmin FR35
>
> This is because attempting to read the IO hint VPD page causes these devices
> to reset. Hence do not read the IO hint VPD page from USB storage devices.
>
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-usb@xxxxxxxxxxxxxxx
> Cc: Joao Machado <jocrismachado@xxxxxxxxx>
> Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Cc: Christian Heusel <christian@xxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 4f53138fffc2 ("scsi: sd: Translate data lifetime information")
> Reported-by: Joao Machado <jocrismachado@xxxxxxxxx>
> Closes: https://lore.kernel.org/linux-scsi/20240130214911.1863909-1-bvanassche@xxxxxxx/T/#mf4e3410d8f210454d7e4c3d1fb5c0f41e651b85f
> Tested-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Bisected-by: Christian Heusel <christian@xxxxxxxxx>
> Reported-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Closes: https://lore.kernel.org/linux-scsi/CACLx9VdpUanftfPo2jVAqXdcWe8Y43MsDeZmMPooTzVaVJAh2w@xxxxxxxxxxxxxx/
> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
> ---
> drivers/usb/storage/scsiglue.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
> index b31464740f6c..9a7185c68872 100644
> --- a/drivers/usb/storage/scsiglue.c
> +++ b/drivers/usb/storage/scsiglue.c
> @@ -79,6 +79,8 @@ static int slave_alloc (struct scsi_device *sdev)
> if (us->protocol == USB_PR_BULK && us->max_lun > 0)
> sdev->sdev_bflags |= BLIST_FORCELUN;
>
> + sdev->sdev_bflags |= BLIST_SKIP_IO_HINTS;
> +
> return 0;
> }
You might want to do the same thing in uas.c. I don't know if UAS
devices suffer from the same problem, but it wouldn't be surprising if
they do.
Alan Stern
