Hi, I have a SATA PCIe 6Gbps 4 port controller card made by Startech. The kernel (Linux viz1 2.6.32-220.4.1.el6.x86_64) sees it as Marvell Technology Group Ltd. 88SE9123 I use it to provide extra SATA ports to a raid system. The HD's are all "WD2003FYYS" and so run at 3Gbps on the 6Gbps controller. However I am seeing lots of instances of errors like this ----------------------------------------- Jun 22 03:13:23 viz1 kernel: ata13.00: exception Emask 0x10 SAct 0x4 SErr 0x400000 action 0x6 frozen Jun 22 03:13:23 viz1 kernel: ata13.00: irq_stat 0x08000000, interface fatal error Jun 22 03:13:23 viz1 kernel: ata13: SError: { Handshk } Jun 22 03:13:23 viz1 kernel: ata13.00: failed command: WRITE FPDMA QUEUED Jun 22 03:13:23 viz1 kernel: ata13.00: cmd 61/e8:10:98:05:1b/01:00:66:00:00/40 tag 2 ncq 249856 out Jun 22 03:13:23 viz1 kernel: ata13.00: status: { DRDY } Jun 22 03:13:23 viz1 kernel: ata13: hard resetting link Jun 22 03:13:24 viz1 kernel: ata13: SATA link up 3.0 Gbps (SStatus 123 SControl 330) Jun 22 03:13:24 viz1 kernel: ata13.00: configured for UDMA/133 Jun 22 03:13:24 viz1 kernel: ata13: EH complete --------------------------------------- Vendor ID : 1b4b Device ID : 9123 I tried to see what drivers were currently being used but the command below gave nothing grep -i 1b4b /lib/modules/*/modules.alias | grep -i 9123 I have changed the card and cables but still get the same errors. I am wondering if the el6 kernel is using the correct drivers I checked "elrepo" against the "Vendor:Device ID pairing" and it also came up blank. Any ideas would be much appreciated. Regards, Steve _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos