After applying the patches you sent, I had not received any additional errors until today. Below is an output from dmesg. Thanks for your help, Jon ata1.15: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6 frozen ata1.15: irq_stat 0x00020002, PMP DMA CS errata ata1.00: exception Emask 0x100 SAct 0x18084200 SErr 0x0 action 0x6 frozen ata1.00: cmd 60/00:48:3f:8f:fa/01:00:0a:00:00/40 tag 9 cdb 0x0 data 131072 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.00: cmd 60/00:70:3f:90:fa/01:00:0a:00:00/40 tag 14 cdb 0x0 data 131072 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.00: cmd 60/98:98:3f:91:fa/00:00:0a:00:00/40 tag 19 cdb 0x0 data 77824 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.00: cmd 60/a8:d8:97:8e:fa/00:00:0a:00:00/40 tag 27 cdb 0x0 data 86016 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.00: cmd 60/68:e0:d7:91:fa/00:00:0a:00:00/40 tag 28 cdb 0x0 data 53248 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.01: exception Emask 0x100 SAct 0x26108402 SErr 0x0 action 0x6 frozen ata1.01: cmd 60/a0:08:9f:8e:fa/00:00:0a:00:00/40 tag 1 cdb 0x0 data 81920 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.01: cmd 60/00:50:3f:8f:fa/01:00:0a:00:00/40 tag 10 cdb 0x0 data 131072 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.01: cmd 60/00:78:3f:90:fa/01:00:0a:00:00/40 tag 15 cdb 0x0 data 131072 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.01: cmd 60/68:a0:d7:8d:fa/00:00:0a:00:00/40 tag 20 cdb 0x0 data 53248 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.01: cmd 60/18:c8:87:8e:fa/00:00:0a:00:00/40 tag 25 cdb 0x0 data 12288 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.01: cmd 60/48:d0:3f:8e:fa/00:00:0a:00:00/40 tag 26 cdb 0x0 data 36864 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.01: cmd 60/00:e8:3f:91:fa/01:00:0a:00:00/40 tag 29 cdb 0x0 data 131072 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x100 (unknown error) ata1.02: exception Emask 0x10 SAct 0x40600989 SErr 0x0 action 0x6 frozen ata1.02: irq_stat 0x00020002, failed to transmit command FIS ata1.02: cmd 60/10:00:8f:8e:fa/00:00:0a:00:00/40 tag 0 cdb 0x0 data 8192 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.02: cmd 60/f8:18:3f:91:fa/00:00:0a:00:00/40 tag 3 cdb 0x0 data 126976 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.02: cmd 60/a0:38:9f:8e:fa/00:00:0a:00:00/40 tag 7 cdb 0x0 data 81920 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.02: cmd 60/08:40:37:92:fa/00:00:0a:00:00/40 tag 8 cdb 0x0 data 4096 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.02: cmd 60/00:58:3f:8f:fa/01:00:0a:00:00/40 tag 11 cdb 0x0 data 131072 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.02: cmd 60/68:a8:d7:8d:fa/00:00:0a:00:00/40 tag 21 cdb 0x0 data 53248 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.02: cmd 60/00:b0:3f:90:fa/01:00:0a:00:00/40 tag 22 cdb 0x0 data 131072 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.02: cmd 60/50:f0:3f:8e:fa/00:00:0a:00:00/40 tag 30 cdb 0x0 data 40960 in res 50/00:3c:3f:ff:67/00:00:00:00:00/40 Emask 0x10 (ATA bus error) ata1.03: exception Emask 0x0 SAct 0x3064 SErr 0x0 action 0x2 frozen ata1.04: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6 frozen ata1.05: exception Emask 0x100 SAct 0x0 SErr 0x0 action 0x6 frozen ata1.15: hard resetting link ata1: controller in dubious state, performing PORT_RST ata1.15: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata1.00: hard resetting link ata1.00: softreset failed (SRST command error) ata1.00: reset failed (errno=-5), retrying in 10 secs ata1.00: hard resetting link ata1.00: hardreset failed (port not ready) ata1.00: reset failed (errno=-5), retrying in 10 secs ata1.00: hard resetting link ata1.00: hardreset failed (port not ready) ata1.00: reset failed (errno=-5), retrying in 35 secs ata1.00: limiting SATA link speed to 1.5 Gbps ata1.00: hard resetting link ata1.00: hardreset failed (port not ready) ata1.00: reset failed, giving up ata1.15: hard resetting link ata1: controller in dubious state, performing PORT_RST ata1.15: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata1.00: hard resetting link ata1.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata1.01: hard resetting link ata1.01: SATA link up 3.0 Gbps (SStatus 123 SControl 0) ata1.02: hard resetting link ata1.02: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata1.03: hard resetting link ata1.03: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata1.04: hard resetting link ata1.04: SATA link down (SStatus 0 SControl 300) ata1.05: hard resetting link ata1.05: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata1.00: configured for UDMA/100 ata1.01: configured for UDMA/100 ata1.02: configured for UDMA/100 ata1.03: configured for UDMA/100 ata1: EH complete sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:1:0:0: [sdb] 976773168 512-byte hardware sectors (500108 MB) sd 0:1:0:0: [sdb] Write Protect is off sd 0:1:0:0: [sdb] Mode Sense: 00 3a 00 00 sd 0:1:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:2:0:0: [sdc] 976773168 512-byte hardware sectors (500108 MB) sd 0:2:0:0: [sdc] Write Protect is off sd 0:2:0:0: [sdc] Mode Sense: 00 3a 00 00 sd 0:2:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:3:0:0: [sdd] 976773168 512-byte hardware sectors (500108 MB) sd 0:3:0:0: [sdd] Write Protect is off sd 0:3:0:0: [sdd] Mode Sense: 00 3a 00 00 sd 0:3:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:1:0:0: [sdb] 976773168 512-byte hardware sectors (500108 MB) sd 0:1:0:0: [sdb] Write Protect is off sd 0:1:0:0: [sdb] Mode Sense: 00 3a 00 00 sd 0:1:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:2:0:0: [sdc] 976773168 512-byte hardware sectors (500108 MB) sd 0:2:0:0: [sdc] Write Protect is off sd 0:2:0:0: [sdc] Mode Sense: 00 3a 00 00 sd 0:2:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:3:0:0: [sdd] 976773168 512-byte hardware sectors (500108 MB) sd 0:3:0:0: [sdd] Write Protect is off sd 0:3:0:0: [sdd] Mode Sense: 00 3a 00 00 sd 0:3:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA ata1.03: exception Emask 0x0 SAct 0x3e0001f SErr 0x400000 action 0x2 ata1.03: irq_stat 0x00020002, device error via SDB FIS ata1.03: cmd 61/d8:a8:3f:8c:fa/00:00:0a:00:00/40 tag 21 cdb 0x0 data 110592 out res 41/84:78:9f:8c:fa/60:00:0a:00:00/40 Emask 0x410 (ATA bus error) <F> ata1.03: hard resetting link ata1.03: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata1.03: configured for UDMA/100 ata1: EH complete sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:1:0:0: [sdb] 976773168 512-byte hardware sectors (500108 MB) sd 0:1:0:0: [sdb] Write Protect is off sd 0:1:0:0: [sdb] Mode Sense: 00 3a 00 00 sd 0:1:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:2:0:0: [sdc] 976773168 512-byte hardware sectors (500108 MB) sd 0:2:0:0: [sdc] Write Protect is off sd 0:2:0:0: [sdc] Mode Sense: 00 3a 00 00 sd 0:2:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 0:3:0:0: [sdd] 976773168 512-byte hardware sectors (500108 MB) sd 0:3:0:0: [sdd] Write Protect is off sd 0:3:0:0: [sdd] Mode Sense: 00 3a 00 00 sd 0:3:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA -----Original Message----- From: Tejun Heo [mailto:htejun@xxxxxxxxx] Sent: Saturday, September 22, 2007 8:36 PM To: Jon Chelton Cc: linux-ide@xxxxxxxxxxxxxxx Subject: Re: sata_sil24 with port multiplier Please apply without the previous patch. Also, this is the correct version. -- tejun - 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