Hi, Bart It seems that the commit 21e6ba3 in branch 5.2/scsi-queue has addressed the deadlock issue we encountered. We will backport that patch to our kernel version and verify it with our test cases. Thanks Best regards On Sun, Apr 7, 2019 at 12:00 PM Bart Van Assche <bvanassche@xxxxxxx> wrote: > > On 4/4/19 4:04 PM, Ming Lin wrote: > > async_synchronize_full_domain(&scsi_sd_pm_domain); > > - async_synchronize_full_domain(&scsi_sd_probe_domain); > > + async_synchronize_full_domain(&sdkp->sd_probe_domain); > > device_del(&sdkp->dev); > > del_gendisk(sdkp->disk); > > SCSI patches should be prepared against Martin's most recent scsi-queue > branch. If you have a look at that branch you will see that > scsi_sd_pm_domain and scsi_sd_probe_domain are gone. > > Bart.