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Date: Thu, 06 Mar 2008 17:39:59 +0900 From: Tejun Heo <htejun@...il.com> To: Guennadi Liakhovetski <g.liakhovetski@....de> CC: Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org, Jeff Garzik <jeff@...zik.org>, linux-ide@...r.kernel.org Subject: Re: Unknown SATA PIIX PCI device ID 0x29b6 Guennadi Liakhovetski wrote: > Indeed! It was in "IDE" mode, and 2 out of the 3 chips were handled by the > piix driver (btw, why did Intel put 3 different SATA controllers on one > board?). I switched it to AHCI mode (the third possibility is RAID) and > indeed a kernel with (only) ahci driver managed to bring them up! > Although, the eSATA link was "slow to respond": > > ata4: port is slow to respond, please be patient (Status 0x80) > ata4: softreset failed (device not ready) > ata4: port is slow to respond, please be patient (Status 0x80) > ata4: softreset failed (device not ready) > ata4: port is slow to respond, please be patient (Status 0x80) > ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > ata4.00: ATA-7: WDC WD1600BB-00RDA0, 20.00K20, max UDMA/100 > ata4.00: 312581808 sectors, multi 16: LBA48 > ata4.00: applying bridge limits > ata4.00: configured for UDMA/100 > > but then it did manage it. Is such a delay normal? If you hotplugged it, sometimes drives don't respond too well and takes a few retries to talk to it. How long did the whole thing take? And is it always like that? > One more question, what do UDMA numbers mean in SATA context? The internal > SATA disk is "ata1.00: configured for UDMA/133", but should be SATA-2. 1.00 is port 1 device 00 and UDMA numbers don't mean much to SATA devices. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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