On Thu, 30 Aug 2012, Alon Bar-Lev wrote: > On Thu, Aug 30, 2012 at 9:49 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, 30 Aug 2012, Alon Bar-Lev wrote: > > > >> On Thu, Aug 30, 2012 at 5:29 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > >> > > >> > On Thu, 30 Aug 2012, Alon Bar-Lev wrote: > >> > > >> > > Hello, > >> > > > >> > > Is there anything new in this regard? > >> > > I have the same issue with 3T drive. > >> > > >> > What are you referring to? What issue? > >> > > >> > Alan Stern > >> > > >> > >> Thanks for replying! > >> > >> This[1] thread. > >> > >> I am experiencing the same issue, and could not understand if this is > >> software or hardware issue. > >> > >> Regards, > >> Alon Bar-Lev. > >> > >> [1] http://comments.gmane.org/gmane.linux.usb.general/62798 > > > > In the end it turns out to be caused by problems in both software and > > hardware. The software problem is fixed in the 3.5 kernel. > > > > Alan Stern > > > > Thank you ! > > I am using 3.5.2, is there any workaround for the hardware issue? There is no workaround in the current kernel. The patch below should allow you to access all 3 TB, but the patch isn't suitable for general use. Alan Stern Index: usb-3.6/drivers/scsi/sd.c =================================================================== --- usb-3.6.orig/drivers/scsi/sd.c +++ usb-3.6/drivers/scsi/sd.c @@ -1900,13 +1900,11 @@ static int sd_try_rc16_first(struct scsi { if (sdp->host->max_cmd_len < 16) return 0; - if (sdp->try_rc_10_first) - return 0; if (sdp->scsi_level > SCSI_SPC_2) return 1; if (scsi_device_protection(sdp)) return 1; - return 0; + return 1; } /* -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
