On Mon, 2018-08-06 at 16:29 -0700, Randy Dunlap wrote: +AD4- On 08/06/2018 04:26 PM, Bart Van Assche wrote: +AD4- +AD4- On Mon, 2018-08-06 at 16:20 -0700, Randy Dunlap wrote: +AD4- +AD4- +AD4- Fixes: 3703b2c5d041 (+ACIAWw-SCSI+AF0- tcm+AF8-loop: Add multi-fabric Linux/SCSI LLD +AD4- +AD4- +AD4- fabric module+ACI-) +AD4- +AD4- +AD4- +AD4- From drivers/target/Kconfig on Linus' master branch: +AD4- +AD4- +AD4- +AD4- menuconfig TARGET+AF8-CORE +AD4- +AD4- tristate +ACI-Generic Target Core Mod (TCM) and ConfigFS Infrastructure+ACI- +AD4- +AD4- depends on SCSI +ACYAJg- BLOCK +AD4- +AD4- +AD4- +AD4- if TARGET+AF8-CORE +AD4- +AD4- +AFs- ... +AF0- +AD4- +AD4- source +ACI-drivers/target/loopback/Kconfig+ACI- +AD4- +AD4- endif +AD4- +AD4- +AD4- +AD4- In other words, the loopback driver already depends on SCSI. So I doubt that +AD4- +AD4- this is a longstanding issue. Did you encounter this with Linus' master branch +AD4- +AD4- or rather with linux-next? +AD4- +AD4- Darn. Thanks for the info. +AD4- +AD4- I encountered it in linux-next. I'll dig deeper. This patch series may be what you are looking for: +ACIAWw-PATCH v2 0/9+AF0- block: Consolidate scsi sense buffer usage+ACI- (https://lkml.org/lkml/2018/7/31/829). Bart.