On Fri, Feb 28, 2003 at 04:21:51AM -0800, Shizuka Kudo wrote:
> I recently cvsup-ped -current (I believe it was 27 Feb), and noticed that the system 
> was not
> responsive as before when building world. Looking at the output of "top" showed a 
> 30-60% interrupt
> usage.  I believed it is related to my highpoint 370 card running at raid 1.  I 
> detached the cards
> and attached one of the drives to ata0 (Intel i815EP) and ran buildworld again. The 
> % shown was
> much less (less than 10%).  Has Anyone else seen such an issue?
> 
> I also reverted the src/sys to Feb 24 UTC which was just before sos' commits on the 
> new API. The
> problem also went away and the "top" % interrupt was at around 1-2% range.
> 

I've also seen very poor performance on my Promise FastTrak TX2 'Lite' controller on 
my A7V333
motherboard.   I get 3-5MB/sec, and copying files takes a very long time.  When I move 
it back
to the 'normal' ata controller the speed goes up to the more normal 40-45MB/sec.  Both 
controllers
detect and use ATA100.  I'm running 5.0-RELEASE-p3.  Have the recent ata patches maybe 
sorted this?

>dd if=/dev/zero of=myfile bs=1024k count=100
100+0 records in
100+0 records out
104857600 bytes transferred in 31.741188 secs (3303518 bytes/sec)

dmesg output:

atapci0: <Promise TX2 ATA133 controller> port 
0xb400-0xb40f,0xb800-0xb803,0xd000-0xd007,0xd400-0xd403,0xd800-0xd807 mem 
0xd4800000-0xd4803fff irq 6 at device 6.0 on pci0
atapci1: <VIA 8233 ATA133 controller> port 0x9400-0x940f at device 17.1 on pci0

ad0: 76219 <WDC WD800BB-00CAA1> [155061/16/63] at ata0-master UDMA100  (using 
motherboard IDE)
ar0: 58644MB <ATA RAID0 array> [7476/255/63] status: READY subdisks    (using FastTrak 
controller)

Bruce Cran



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