On Thu, Jan 20, 2022 at 08:28:30AM +0100, Thomas Weißschuh wrote: > Hi Alan, > > I hava a IcyBox IB-3740-C31 [0], this device seems to be identical to the one > here. When you say "described here", do you mean "described earlier in this email thread"? I ask because from the way you wrote that sentence, it looks like you mean that the device described in [0] seems to be identical to the one you have. > It has the same USB IDs and case design. > It also has the serial number "4". > The only difference it seems is the field bcdDevice which is "1.36" and the > reported name is different (see the patch below). > > So I adapted the patch slightly to also match that bcdDevice. > I also changed the productName field but that does not seem to be used anyways. > > Using the quirk flags "fgkm" as mentioned in [1] did not help. > > FYI while there are many reports that UAS does not work with these devices, > there also are a few that report it working. For example [2]. That's odd. And I don't really want to change the kernel in a way that will cause those working devices to stop working with UAS. > diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h > index 29191d33c0e3..53e8249644b2 100644 > --- a/drivers/usb/storage/unusual_devs.h > +++ b/drivers/usb/storage/unusual_devs.h > @@ -2301,6 +2301,19 @@ UNUSUAL_DEV( 0x2027, 0xa001, 0x0000, 0x9999, > USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init, > US_FL_SCM_MULT_TARG ), > > +UNUSUAL_DEV( 0x2109, 0x0715, 0x0000, 0x9999, > + "VIA Labs, Inc.", > + "VL817 SATA Adaptor", > + USB_SC_DEVICE, USB_PR_DEVICE, NULL, > + US_FL_IGNORE_UAS), Does the new patch fix your problem? Alan Stern > This is the exact issue: > > [ 3606.231973] scsi host14: uas_eh_device_reset_handler start > [ 3606.232149] sd 14:0:0:0: [sdg] tag#2 uas_zap_pending 0 uas-tag 1 inflight: CMD > [ 3606.232154] sd 14:0:0:0: [sdg] tag#2 CDB: Write(16) 8a 00 00 00 00 00 18 0c c9 80 00 00 00 80 00 00 > [ 3606.306257] usb 4-4.4: reset SuperSpeed Plus Gen 2x1 USB device number 11 using xhci_hcd > [ 3606.328584] scsi host14: uas_eh_device_reset_handler success > > For this patch: > > Tested-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> > > Thomas > > [0] https://icybox.de/en/product.php?id=155 > [1] https://lore.kernel.org/linux-usb/c4b4aa34-12d9-7000-6398-d94a7ebffdfc@xxxxxxxx/ > [2] https://spod.cx/blog/enabling_trim_support_via_VL817_usb_sata_adaptor.shtml
