Some UASP capable USB-to-SATA bridge controllers are not compatible,this problem has always existed. you can refer to other auther submit the similar patch. this patch is fixed no speed,not slow speed. Thanks! zhongling0719@xxxxxxx From: gregkh Date: 2022-09-01 21:04 To: zhongling0719@xxxxxxx CC: zenghongling; stern; linux-usb; usb-storage Subject: Re: Re: [PATCH v4] uas: add no-uas quirk for Thinkplus and Hiksemi usb-storage On Thu, Sep 01, 2022 at 08:38:21PM +0800, zhongling0719@xxxxxxx wrote: > Hi: > Sorry again, The last email was wrong, fixed my email to not send html email and respond again. > The drivers manufacturers advertised high speed support platform is Windows,MacOSX, not include linux 4.9 , this bug will affect the users > normal use, run iozone is just one of the behaviors that trigger UAS crash ,We will handle that slow issue. I do not understand, sorry. What is special about Linux that causes these drives to break with the UAS protocol? What is it doing different that OSX and Windows does not do? We should fix that bug, not degrade the performance of these devices to extremely slow levels for no good reason. thanks, greg k-h
