Date: Tue, 20 Feb 2007 11:25:44 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-alpha@freebsd.org Cc: Francisco =?iso-8859-15?q?Jos=E9_Nina_Rente?= <rastejante@gmail.com> Subject: Re: alphaserver 2100 5/250 with promise pci ide controlor Message-ID: <200702201125.44395.jhb@freebsd.org> In-Reply-To: <6FFE9846-5BCA-4A88-8EBD-5E047240C507@gmail.com> References: <6FFE9846-5BCA-4A88-8EBD-5E047240C507@gmail.com>
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On Monday 19 February 2007 12:11, Francisco Jos=E9 Nina Rente wrote: > Hi all, >=20 > I'm trying to install FreeBSD 6.2 with GENERIC on a alphaserver 2100 =20 > 5/250 with a promise pdc20269 ide controller. > The objective it's to use one of the scsi disk on the system to boot =20 > and have the rest of the OS on the to ide disks in RAID 1. > My Problem is: >=20 > 1- When i boot the freebsd cd normally i get this messages: >=20 > ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=3D0 > ad0: TIMEOUT - READ_DMA retrying (0 retries left) LBA=3D0 > ad0: FAILURE - READ_DMA timed out LBA=3D0 > ad1: TIMEOUT - READ_DMA retrying (1 retry left) LBA=3D0 > ad1: TIMEOUT - READ_DMA retrying (0 retries left) LBA=3D0 > ad1: FAILURE - READ_DMA timed out LBA=3D0 >=20 > And i can eaven see the disk geometry in the label tool of sysinstall. >=20 > 2 - If i set hw.ata.ata_dma=3D0 on the boot, the messages disappears. =20 > If i switch from mode PIO4 to udma33 or udma66 with atacontrol there =20 > is no problem, at leas i can label the disk normally, > But in this case only one of the disk can be accessed, only ad0! =20 > Because if i try to use disklabel on ad1 the above message appear again! > If i change to udma100 (the maximum that is supported by the two =20 > disks) the same message appears. >=20 > 3- I boot with set hw.ata.ata_dma=3D0 and i change to udma66, when i =20 > start the installation i get a panic. >=20 >=20 > I don't want to use less then udma66, of course :( > I already try various cable (all 80 conductor cable ). > When i try to use the same promise pdc20269 ide controller in a =20 > regular x86 box it works normally. >=20 > Another question what i need to do to force udma66 on boot? ATA DMA doesn't really work on alpha unfortunately. =2D-=20 John Baldwin
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