Hello , I tried to use sr2760-2s-s2 ( http://www.raidon.com.tw/content.php?sno=0000095&p_id=53 ) with linux ! With kernel 2.6.21 => work kernel 2.6.26 & 2.6.28 => does not work In 2.26.21 , the device is detect as sata disk , i can access to it ! In 2.26.26 & 2.6.28 , the sata port multiplier detect the sil4723 chipset and try to use in a port multiplier mode ( i suppose ) . Extract of /var/log/messages Dec 6 14:13:56 charlie kernel: [ 6.765363] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Dec 6 14:13:56 charlie kernel: [ 6.768941] ata4.15: Port Multiplier 1.1, 0x1095:0x4723 r28, 3 ports, feat 0x1/0x9 Dec 6 14:13:56 charlie kernel: [ 6.768941] ata4.00: hard resetting link Dec 6 14:13:56 charlie kernel: [ 7.125525] ata4.00: SATA link down (SStatus 0 SControl 0) Dec 6 14:13:56 charlie kernel: [ 7.125525] ata4.01: hard resetting link Dec 6 14:13:56 charlie kernel: [ 7.668637] ata4.01: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Dec 6 14:13:56 charlie kernel: [ 7.668637] ata4.02: hard resetting link Dec 6 14:13:56 charlie kernel: [ 8.036177] ata4.02: SATA link up 1.5 Gbps (SStatus 113 SControl 320) Dec 6 14:13:56 charlie kernel: [ 8.036177] ata4.01: unsupported device, disabling Dec 6 14:13:56 charlie kernel: [ 8.036177] ata4.01: disabled Dec 6 14:13:56 charlie kernel: [ 8.042941] ata4: EH complete My systems as asus M3A motherboard . a part of output from lspci -v : 00:12.0 SATA controller: ATI Technologies Inc SB600 Non-Raid-5 SATA (prog-if 01 [AHCI 1.0]) Subsystem: ASUSTeK Computer Inc. Device 8231 Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 22 I/O ports at c000 [size=8] I/O ports at b000 [size=4] I/O ports at a000 [size=8] I/O ports at 9000 [size=4] I/O ports at 8000 [size=16] Memory at f9fff800 (32-bit, non-prefetchable) [size=1K] Capabilities: [60] Power Management version 2 Kernel driver in use: ahci Kernel modules: ahci -- ____________________________________________________________ / Erwan MAS /\ | mailto:erwan@xxxxxxxxxx |_/ ___|________________________________________________________ | \___________________________________________________________\__/ -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
