On Wed, 2019-09-04 at 15:18 +0000, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=204769 > > Bug ID: 204769 > Summary: SCSI devices missing for disks attached to > controller > Product: SCSI Drivers > Version: 2.5 > Kernel Version: 5.12.11 > Hardware: Intel > OS: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: AACRAID > Assignee: scsi_drivers-aacraid@xxxxxxxxxxxxxxxxxxxx > Reporter: linux@xxxxxxxxxxx > Regression: No > > We use an Adaptec ASR8405 RAID controller with LSI backplane. The > RAID > controller is configured to expose attached disks to the system > ("Expose RAW"). > > Up to Linux 5.1.12, devices would show as expected. lsscsi -v > reports: > > [0:0:0:0] disk ASR8405 storage V1.0 /dev/sda > > dir: /sys/bus/scsi/devices/0:0:0:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:0: > > 0/0:0:0:0] > > [0:1:4:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:4:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 4/0:1:4:0] > > [0:1:5:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:5:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 5/0:1:5:0] > > [0:1:6:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:6:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 6/0:1:6:0] > > [0:1:7:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:7:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 7/0:1:7:0] > > [0:1:8:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:8:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 8/0:1:8:0] > > [0:1:9:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:9:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 9/0:1:9:0] > > [0:1:10:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:10:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 10/0:1:10:0] > > [0:1:11:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:11:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 11/0:1:11:0] > > [0:1:12:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:12:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 12/0:1:12:0] > > [0:1:13:0] disk ATA HGST HUH721212AL T3D0 - > > dir: /sys/bus/scsi/devices/0:1:13:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:1: > > 13/0:1:13:0] > > [0:3:0:0] enclosu LSI SAS3x36 0601 - > > dir: /sys/bus/scsi/devices/0:3:0:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:3: > > 0/0:3:0:0] > > [N:0:4:1] dsk/nvm Samsung SSD 970 PRO > > 1TB__1 /dev/nvme0n1 > > dir: /sys/class/nvme/nvme0/nvme0n1 > > > > [/sys/devices/pci0000:10/0000:10:01.3/0000:13:00.0/nvme/nvme0/nvme0 > > n1] > > [N:1:4:1] dsk/nvm Samsung SSD 970 PRO > > 1TB__1 /dev/nvme1n1 > > dir: /sys/class/nvme/nvme1/nvme1n1 > > > > [/sys/devices/pci0000:10/0000:10:01.4/0000:14:00.0/nvme/nvme1/nvme1 > > n1] > > On Linux 5.12.11, the devices are missing. lsscsi -v reports: > > [0:0:0:0] disk ASR8405 storage V1.0 /dev/sda > > dir: /sys/bus/scsi/devices/0:0:0:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:0: > > 0/0:0:0:0] > > [0:3:0:0] enclosu LSI SAS3x36 0601 - > > dir: /sys/bus/scsi/devices/0:3:0:0 > > > > [/sys/devices/pci0000:60/0000:60:03.1/0000:61:00.0/host0/target0:3: > > 0/0:3:0:0] > > [N:1:4:1] dsk/nvm Samsung SSD 970 PRO > > 1TB__1 /dev/nvme1n1 > > dir: /sys/class/nvme/nvme0/nvme1n1 > > > > [/sys/devices/pci0000:10/0000:10:01.3/0000:13:00.0/nvme/nvme0/nvme1 > > n1] > > [N:0:4:1] dsk/nvm Samsung SSD 970 PRO > > 1TB__1 /dev/nvme0n1 > > dir: /sys/class/nvme/nvme1/nvme0n1 > > > > [/sys/devices/pci0000:10/0000:10:01.4/0000:14:00.0/nvme/nvme1/nvme0 > > n1] > > Output in dmesg is basically the same, except that the following > lines are > missing with the newer kernel: > > > [ 17.016661] scsi 0:1:4:0: Direct-Access ATA HGST > > HUH721212AL T3D0 > > PQ: 1 ANSI: 6 > > [ 17.018313] scsi 0:1:5:0: Direct-Access ATA HGST > > HUH721212AL T3D0 > > PQ: 1 ANSI: 6 > > [ 17.020129] scsi 0:1:6:0: Direct-Access ATA HGST > > HUH721212AL T3D0 > > PQ: 1 ANSI: 6 > > [ 17.022530] scsi 0:1:7:0: Direct-Access ATA HGST > > HUH721212AL T3D0 > > PQ: 1 ANSI: 6 > > [ 17.024291] scsi 0:1:8:0: Direct-Access ATA HGST > > HUH721212AL T3D0 > > PQ: 1 ANSI: 6 > > [ 17.026041] scsi 0:1:9:0: Direct-Access ATA HGST > > HUH721212AL T3D0 > > PQ: 1 ANSI: 6 > > [ 17.027725] scsi 0:1:10:0: Direct-Access ATA HGST > > HUH721212AL > > T3D0 PQ: 1 ANSI: 6 > > [ 17.029395] scsi 0:1:11:0: Direct-Access ATA HGST > > HUH721212AL > > T3D0 PQ: 1 ANSI: 6 > > [ 17.031145] scsi 0:1:12:0: Direct-Access ATA HGST > > HUH721212AL > > T3D0 PQ: 1 ANSI: 6 > > [ 17.032672] scsi 0:1:13:0: Direct-Access ATA HGST > > HUH721212AL > > T3D0 PQ: 1 ANSI: 6 > > The only change on the system to obtain the different behavior is > upgrade/downgrade of the kernel via kexec. So the driver is loading as /dev/sda is being seen above. Seems likely to be the enclosure then that is not being probed [0:0:0:0] disk ASR8405 storage V1.0 /dev/sda The enclosure looks like its on another port correct ? 0:1:x:x I am looking at what may have changed in the latest commits >
