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On Tue, 26 Aug 2003, Jeff Garzik wrote: > For the future, I'm currently whipping the libata internals into shape > so that Promise may be supported. Promise hardware supports native > command queueing, a lot like many SCSI adapters. Is that true even for the older stuff such as a PDC20265? It appears that FreeBSD 4-STABLE blacklists some older (before-TX2) Promise chips because they apparently lock up when used with tagged command queueing. I haven't yet looked at the ATAng driver merged into FreeBSD 5-CURRENT. FreeBSD 4-STABLE blacklist code in function ad_tagsupported(): http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/ata/ata-disk.c?rev=1.60.2.24&content-type=text/x-cvsweb-markup&only_with_tag=RELENG_4 FreeBSD 5-CURRENT: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/ata/ -- Matthias Andree - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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