Hi, I've just tried the 2.6.24-rc7 kernel (from Debian's experimental kernel archive), running the x86_64 kernel. I keep getting things like this in my log: Jan 13 19:21:10 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xa frozen Jan 13 19:21:10 intrepid kernel: ata2: hotplug_status 0x20 Jan 13 19:21:11 intrepid kernel: ata2: soft resetting link Jan 13 19:21:11 intrepid kernel: ata2: SATA link down (SStatus 0 SControl 0) Jan 13 19:21:11 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t4 Jan 13 19:21:11 intrepid kernel: ata2: hotplug_status 0x2 Jan 13 19:21:11 intrepid kernel: ata2: soft resetting link Jan 13 19:21:11 intrepid kernel: ata2: SATA link down (SStatus 100 SControl 0) Jan 13 19:21:11 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t3 Jan 13 19:21:11 intrepid kernel: ata2: hotplug_status 0x20 Jan 13 19:21:13 intrepid kernel: ata2: soft resetting link Jan 13 19:21:13 intrepid kernel: ata2: SATA link down (SStatus 100 SControl 0) Jan 13 19:21:13 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t2 Jan 13 19:21:13 intrepid kernel: ata2: hotplug_status 0x20 Jan 13 19:21:14 intrepid kernel: ata2: soft resetting link Jan 13 19:21:14 intrepid kernel: ata2: SATA link down (SStatus 0 SControl 0) Jan 13 19:21:14 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t1 Jan 13 19:21:14 intrepid kernel: ata2: hotplug_status 0x2 Jan 13 19:21:15 intrepid kernel: ata2: soft resetting link Jan 13 19:21:15 intrepid kernel: ata2: SATA link down (SStatus 100 SControl 0) Jan 13 19:21:15 intrepid kernel: ata2: EH pending after 5 tries, giving up Jan 13 19:21:15 intrepid kernel: ata2: EH complete Jan 13 19:21:15 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xa frozen Jan 13 19:21:15 intrepid kernel: ata2: hotplug_status 0x2 Jan 13 19:21:16 intrepid kernel: ata2: soft resetting link Jan 13 19:21:16 intrepid kernel: ata2: SATA link down (SStatus 100 SControl 0) Jan 13 19:21:16 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t4 Jan 13 19:21:16 intrepid kernel: ata2: hotplug_status 0x20 Jan 13 19:21:17 intrepid kernel: ata2: soft resetting link Jan 13 19:21:17 intrepid kernel: ata2: SATA link down (SStatus 0 SControl 0) Jan 13 19:21:17 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t3 Jan 13 19:21:17 intrepid kernel: ata2: hotplug_status 0x2 [...] ata2 is the second port of my promise controller in which nothing is plugged in. I also have an sata_via with 2 disks plugged in. All 3 disks seem to come up properly as far as I can see from the log, but I've just rebooted in an older kernel version. With my current 2.6.22 kernel I just get 1 line saying that the link is down and then it stops. I think the important part of the log I get when booting is: Jan 13 19:20:45 intrepid kernel: sata_promise 0000:00:08.0: version 2.11 Jan 13 19:20:45 intrepid kernel: ACPI: PCI Interrupt 0000:00:08.0[A] -> GSI 18 (level, low) -> IRQ 18 Jan 13 19:20:45 intrepid kernel: scsi0 : sata_promise Jan 13 19:20:45 intrepid kernel: scsi1 : sata_promise Jan 13 19:20:45 intrepid kernel: scsi2 : sata_promise Jan 13 19:20:45 intrepid kernel: ata1: SATA max UDMA/133 mmio m4096@0xfdf00000 port 0xfdf00200 irq 18 Jan 13 19:20:45 intrepid kernel: ata2: SATA max UDMA/133 mmio m4096@0xfdf00000 port 0xfdf00280 irq 18 Jan 13 19:20:45 intrepid kernel: ata3: PATA max UDMA/133 mmio m4096@0xfdf00000 port 0xfdf00300 irq 18 Jan 13 19:20:45 intrepid kernel: ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) Jan 13 19:20:45 intrepid kernel: ata1.00: ATA-7: WDC WD5000YS-01MPB1, 09.02E09, max UDMA/133 Jan 13 19:20:45 intrepid kernel: ata1.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 0/32) Jan 13 19:20:45 intrepid kernel: ata1.00: configured for UDMA/133 Jan 13 19:20:45 intrepid kernel: ata2: SATA link down (SStatus 0 SControl 0) Jan 13 19:20:45 intrepid kernel: scsi 0:0:0:0: Direct-Access ATA WDC WD5000YS-01M 09.0 PQ: 0 ANSI: 5 Jan 13 19:20:45 intrepid kernel: sata_via 0000:00:0f.0: version 2.3 Jan 13 19:20:45 intrepid kernel: ACPI: PCI Interrupt 0000:00:0f.0[B] -> GSI 20 (level, low) -> IRQ 20 Jan 13 19:20:45 intrepid kernel: sata_via 0000:00:0f.0: routed to hard irq line 10 Jan 13 19:20:45 intrepid kernel: scsi3 : sata_via Jan 13 19:20:45 intrepid kernel: scsi4 : sata_via Jan 13 19:20:45 intrepid kernel: ata4: SATA max UDMA/133 cmd 0xe800 ctl 0xe400 bmdma 0xd400 irq 20 Jan 13 19:20:45 intrepid kernel: ata5: SATA max UDMA/133 cmd 0xe000 ctl 0xd800 bmdma 0xd408 irq 20 Jan 13 19:20:45 intrepid kernel: Driver 'sd' needs updating - please use bus_type methods Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] Write Protect is off Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] Write Protect is off Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Jan 13 19:20:45 intrepid kernel: sda: unknown partition table Jan 13 19:20:45 intrepid kernel: sd 0:0:0:0: [sda] Attached SCSI disk Jan 13 19:20:45 intrepid kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 300) Jan 13 19:20:45 intrepid kernel: ata4.00: ATA-7: Maxtor 6Y080M0, YAR51EW0, max UDMA/133 Jan 13 19:20:45 intrepid kernel: ata4.00: 160086528 sectors, multi 16: LBA Jan 13 19:20:45 intrepid kernel: ata4.00: configured for UDMA/133 Jan 13 19:20:45 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xa frozen Jan 13 19:20:45 intrepid kernel: ata2: hotplug_status 0x20 Jan 13 19:20:45 intrepid kernel: ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300) Jan 13 19:20:45 intrepid kernel: ata5.00: ATA-6: ST3200822AS, 3.01, max UDMA/133Jan 13 19:20:45 intrepid kernel: ata5.00: 390721968 sectors, multi 16: LBA48 Jan 13 19:20:45 intrepid kernel: ata5.00: configured for UDMA/133 Jan 13 19:20:45 intrepid kernel: scsi 3:0:0:0: Direct-Access ATA Maxtor 6Y080M0 YAR5 PQ: 0 ANSI: 5 Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] 160086528 512-byte hardware sectors (81964 MB) Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] Write Protect is off Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00 Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] 160086528 512-byte hardware sectors (81964 MB) Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] Write Protect is off Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] Mode Sense: 00 3a 00 00 Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Jan 13 19:20:45 intrepid kernel: sdb: sdb1 sdb2 sdb3 sdb4 Jan 13 19:20:45 intrepid kernel: sd 3:0:0:0: [sdb] Attached SCSI disk Jan 13 19:20:45 intrepid kernel: scsi 4:0:0:0: Direct-Access ATA ST3200822AS 3.01 PQ: 0 ANSI: 5 Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] 390721968 512-byte hardware sectors (200050 MB) Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] Write Protect is off Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] Mode Sense: 00 3a 00 00 Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] 390721968 512-byte hardware sectors (200050 MB) Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] Write Protect is off Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] Mode Sense: 00 3a 00 00 Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Jan 13 19:20:45 intrepid kernel: sdc: unknown partition table Jan 13 19:20:45 intrepid kernel: sd 4:0:0:0: [sdc] Attached SCSI disk Jan 13 19:20:45 intrepid kernel: ACPI: PCI Interrupt 0000:00:10.4[C] -> GSI 21 (level, low) -> IRQ 21 Jan 13 19:20:45 intrepid kernel: ehci_hcd 0000:00:10.4: EHCI Host Controller Jan 13 19:20:45 intrepid kernel: ehci_hcd 0000:00:10.4: new USB bus registered, assigned bus number 5 Jan 13 19:20:45 intrepid kernel: ehci_hcd 0000:00:10.4: irq 21, io mem 0xfde00000 Jan 13 19:20:45 intrepid kernel: ehci_hcd 0000:00:10.4: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 Jan 13 19:20:45 intrepid kernel: usb usb5: configuration #1 chosen from 1 choiceJan 13 19:20:45 intrepid kernel: hub 5-0:1.0: USB hub found Jan 13 19:20:45 intrepid kernel: hub 5-0:1.0: 8 ports detected Jan 13 19:20:45 intrepid kernel: hda: ATAPI 40X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache Jan 13 19:20:45 intrepid kernel: Uniform CD-ROM driver Revision: 3.20 Jan 13 19:20:45 intrepid kernel: ata2: soft resetting link Jan 13 19:20:45 intrepid kernel: ata2: SATA link down (SStatus 100 SControl 0) Jan 13 19:20:45 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t4 Jan 13 19:20:45 intrepid kernel: ata2: hotplug_status 0x20 Jan 13 19:20:45 intrepid kernel: ata2: soft resetting link Jan 13 19:20:45 intrepid kernel: ata2: SATA link down (SStatus 0 SControl 0) Jan 13 19:20:45 intrepid kernel: ata2: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xb t3 Jan 13 19:20:45 intrepid kernel: ata2: hotplug_status 0x2 Kurt PS: Please CC me, I'm not subscribed. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to 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