David, I could see the same issue on sparc64 system, soon we will repost the patch addressing this. Thanks, Chaitra -----Original Message----- From: David Miller [mailto:davem@xxxxxxxxxxxxx] Sent: Thursday, June 28, 2018 5:45 AM To: chaitra.basappa@xxxxxxxxxxxx Cc: linux-scsi@xxxxxxxxxxxxxxx; sparclinux@xxxxxxxxxxxxxxx Subject: Re: mpt3sas regression... From: Chaitra Basappa <chaitra.basappa@xxxxxxxxxxxx> Date: Wed, 27 Jun 2018 19:58:34 +0530 > Please let us know what is the issue faced and if its recreating then > share the driver logs with logging_level=0x3f8. The driver cannot even probe successfully to start scanning for disks because some busy bit never clears. I think it was in one of the firmware status registers or the doorbell register.