I have this message when resume from suspend to disk: hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4 hda: MWDMA2 mode selected sd 0:0:0:0: [sda] Starting disk [...] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata1.00: ACPI cmd f5/00:00:00:00:00:a0 filtered out ata1.00: ACPI cmd b1/c1:00:00:00:00:a0 filtered out ata1.00: ACPI cmd c6/00:10:00:00:00:a0 succeeded ata1.00: ACPI cmd ef/10:03:00:00:00:a0 succeeded ata1.00: ACPI cmd f5/00:00:00:00:00:a0 filtered out ata1.00: ACPI cmd b1/c1:00:00:00:00:a0 filtered out ata1.00: ACPI cmd c6/00:10:00:00:00:a0 succeeded ata1.00: ACPI cmd ef/10:03:00:00:00:a0 succeeded ata1.00: configured for UDMA/133 ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x9 t4 ata1: irq_stat 0x00400040, connection status changed ata1.00: configured for UDMA/133 ata1: EH complete sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors (120034 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 Suspend to disk works fine without any problems. Full dmesg: http://www.unixy.pl/maciek/download/kernel/2.6.24-rc7/ - 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