Date: Sun, 07 Jan 2001 03:23:19 +1100 From: Justin Clift <jclift@iprimus.com.au> To: msmith@FreeBSD.org Cc: freebsd-current@freebsd.org Subject: Mylex DAC960 RAID Controller - bus_dmamap_load errors Message-ID: <3A574677.184C029A@iprimus.com.au>
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Hi Mike, Have you had any errors reported from users lately with Mylex DAC960P RAID Contollers with v2.xx firmware? For the past few hours I have been trying to install various versions of FreeBSD 4.2 (Release version, snapshots right up to yesterdays date, etc) but can never manage to get it installed. I am consistently getting an error message something like "bus_dmamap_load : Too many segs", and then a few seconds later something like "attempted write beyond end of disk". (Please note, this isn't the precise spelling, it's a description from memory hoping you've seen it before - and know how to solve it!). This is occuring when attempting to install the "base" group of FreeBSD, after the initial 'newfs' has successfully done it's thing. I have tried with one Mylex DAC960P PCI controller with firmware 2.73.0.0, and also with an IBM F/W PCI SCSI RAID Adapter with firmware 2.43.0.0 (it's a Mylex DAC960P rebadged by IBM and used in all sorts of equipment). Exactly the same error from both controllers. The PC I'm trying this in is a Pentium III with 160MB RAM, Cirrus Logic GD5446 graphics adapter, and other standard stuff. The hard drives attached to the Mylex card are 2 x 4.3GB Fujitsu UW SCSI drives, set up as a single mirrored pair. It all works fine with NT4, but that's not an option for this server. Regards and best wishes, Justin Clift To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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