Kristian Kræmmer Nielsen wrote: > I just updated my kernel from RELEASE_8_0 to RELENG_8 and by rutine I > compare my dmesg -a output to make sure everything still works as expected. > > I notices that the ata-driver suddently downgraded the speed of my Intel > ICH5 SATS150 from SATA150 til UDMA133 - and I am not allowed to change > it manually by using atacontrol. > > Can this have something to do with the recent rewrite of ata-sata.c ? > http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/ata/ata-sata.c.diff?r1=1.6.2.2;r2=1.6.2.3 > > Here is the dmesg output compared with RELEASE_8_0 to RELENG_8: > > ...cut out... > atapci1:<Intel ICH5 SATA150 controller> port > 0xec00-0xec07,0xe800-0xe803,0xe400-0xe407,0xe000-0xe003,0xdc00-0xdc0f > irq 18 at device 31.2 on pci0 > ...cut out... > -ad4: 305245MB<Seagate ST3320620AS 3.AAD> at ata2-master SATA150 > +ad4: 305245MB<Seagate ST3320620AS 3.AAD> at ata2-master UDMA133 > ...cut out... > -ad6: 305245MB<Seagate ST3320620AS 3.AAD> at ata3-master SATA150 > +ad6: 305245MB<Seagate ST3320620AS 3.AAD> at ata3-master UDMA133
It is only a cosmetic difference. There is no performance degradation. The reason of this, in inability of the controller driver to get SATA connection speed from this hardware. -- Alexander Motin _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
