Steve Polyack wrote:
I have a system running FreeBSD 8.0-RC1 that contains 3x Sil3124 PCI-E
SATA controller cards. Each card has 3x Sil3726 Port Multipliers
attached (5 slots per SATA PM). The problem is that the disks are
often not all detected by FreeBSD, even though the controller Option
ROMs list all of the installed physical disks. Which drive(s) are not
detected seems to vary with each boot. All of the port multipliers
are detected every boot, it's just the drives which aren't getting
probed.
This was mostly fixed by loading the siis(4) module at boot. However,
if I attach 5 drives to a port multiplier board and reboot, only 4 of
the drives attached to that port multiplier are detected.
From dmesg:
siisch4: Timeout on slot 25
siisch4: siis_timeout is 00000000 ss 02000000 rs 02000000 es 00000000
sts 80192000 serr 00000000
(aprobe0:siisch4:0:1:0): SIGNATURE: 0000
(aprobe0:siisch4:0:2:0): SIGNATURE: 0000
(aprobe0:siisch4:0:3:0): SIGNATURE: 0000
(aprobe0:siisch4:0:4:0): SIGNATURE: 0000
ada0 at siisch4 bus 0 target 1 lun 0
ada0: <ST31500341AS CC1H> ATA/ATAPI-8 SATA 2.x device
ada0: 300.000MB/s transfers
ada0: 1430799MB (2930277168 512 byte sectors: 16H 63S/T 16383C)
ada0: Native Command Queueing enabled
ada1 at siisch4 bus 0 target 2 lun 0
ada1: <ST31500341AS CC1H> ATA/ATAPI-8 SATA 2.x device
ada1: 300.000MB/s transfers
ada1: 1430799MB (2930277168 512 byte sectors: 16H 63S/T 16383C)
ada1: Native Command Queueing enabled
ada2 at siisch4 bus 0 target 3 lun 0
ada2: <ST31500341AS CC1H> ATA/ATAPI-8 SATA 2.x device
ada2: 300.000MB/s transfers
ada2: 1430799MB (2930277168 512 byte sectors: 16H 63S/T 16383C)
ada2: Native Command Queueing enabled
ada3 at siisch4 bus 0 target 4 lun 0
ada3: <ST31500341AS CC1H> ATA/ATAPI-8 SATA 2.x device
ada3: 300.000MB/s transfers
ada3: 1430799MB (2930277168 512 byte sectors: 16H 63S/T 16383C)
ada3: Native Command Queueing enabled
The disk at siisch4 bus 0 target 0 lun 0 is what's missing - it looks
like there's some kind of timeout during the detection. A 'camcontrol
rescan all' does not help. In fact, the camcontrol rescan appears to
lose all of the SATA drives attached to port-multipliers with a similar
timeout message:
siisch4: Timeout on slot 17
siisch4: siis_timeout is 00040000 ss 00020000 rs 00020000 es 00000000
sts 80112000 serr 00000000
(ada0:siisch4:0:1:0): lost device
(ada0:siisch4:0:1:0): removing device entry
siisch4: Timeout on slot 19
siisch4: siis_timeout is 00040000 ss 00080000 rs 00080000 es 00000000
sts 80132000 serr 00000000
siisch4: Timeout on slot 20
siisch4: siis_timeout is 00040000 ss 00100000 rs 00100000 es 00000000
sts 80142000 serr 00000000
(ada1:siisch4:0:2:0): lost device
(ada1:siisch4:0:2:0): removing device entry
siisch4: Timeout on slot 21
siisch4: siis_timeout is 00040000 ss 00200000 rs 00200000 es 00000000
sts 80152000 serr 00000000
siisch4: Timeout on slot 22
siisch4: siis_timeout is 00040000 ss 00400000 rs 00400000 es 00000000
sts 80162000 serr 00000000
(ada2:siisch4:0:3:0): lost device
(ada2:siisch4:0:3:0): removing device entry
I can provide more info on request.
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