Hi, Not really a severe bug but it can hide other problems. I have a Dell optiplex with a ICH5 chipset. When I load the ata_piix module and there is no drive plugged in, the driver try to contact the Hdd and fail. This was not a problem with 2.6.17. Linux laurent 2.6.18-rc5 #1 SMP PREEMPT Mon Aug 28 14:19:16 CEST 2006 i686 GNU/Linux libata version 2.00 loaded. ata_piix 0000:00:1f.2: version 2.00 ata_piix 0000:00:1f.2: MAP [ P0 -- P1 -- ] ACPI: PCI Interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 17 PCI: Setting latency timer of device 0000:00:1f.2 to 64 ata1: SATA max UDMA/133 cmd 0xFE00 ctl 0xFE12 bmdma 0xFEA0 irq 17 ata2: SATA max UDMA/133 cmd 0xFE20 ctl 0xFE32 bmdma 0xFEA8 irq 17 scsi1 : ata_piix ata1: port is slow to respond, please be patient ata1: port failed to respond (30 secs) ata1: SRST failed (status 0xFF) ata1: SRST failed (err_mask=0x100) ata1: softreset failed, retrying in 5 secs ata1: SRST failed (status 0xFF) ata1: SRST failed (err_mask=0x100) ata1: softreset failed, retrying in 5 secs ata1: SRST failed (status 0xFF) ata1: SRST failed (err_mask=0x100) ata1: reset failed, giving up scsi2 : ata_piix ata2: port is slow to respond, please be patient ata2: port failed to respond (30 secs) ata2: SRST failed (status 0xFF) ata2: SRST failed (err_mask=0x100) ata2: softreset failed, retrying in 5 secs ata2: SRST failed (status 0xFF) ata2: SRST failed (err_mask=0x100) ata2: softreset failed, retrying in 5 secs ata2: SRST failed (status 0xFF) ata2: SRST failed (err_mask=0x100) ata2: reset failed, giving up Thanks, regards. -- http://glot.net/, caf@xxxxxxxx Cycom http://www.rezal.net/, Epidemic http://epidemic.glot.net/ - 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