DMA nejde zapnut na 120GB+nforce2

[Peter N. Vargo (LTS)]

Pekny den, snad mi pomozete:
upgrade-oval som na:
2*512dual DDR
Barton 2500+
Asus DeLuxe nForce2
1*60/7200 IBM
1*1200/8MB/7200 IBM
stroj fici (vela ram, silny procak), pokial nepride na rad disk - potom to
stoji ... w bez problemov pri kopirovani (medzi dvoma HD) 30MB stupne na 3.5
!!!


obcas mi (syslog??) vypluvne na konzolu:
spurious 8259A interrupt: IRQ7
(mozno to ma, mozno nie, nejaky suvis)


hdparm mi vipisal toto:

/dev/hdc:
 multcount    = 16 (on)
 I/O support  =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  0 (off)
 keepsettings =  0 (off)
 nowerr       =  0 (off)
 readonly     =  0 (off)
 readahead    =  8 (on)
 geometry     = 7476/255/63, sectors = 120103200, start = 0
 busstate     =  1 (on)

-T:
/dev/hdc:
 Timing buffer-cache reads:   128 MB in  0.27 seconds =474.07 MB/sec

-t:
/dev/hdc:
 Timing buffer-cache reads:   64 MB in  28.05 seconds =2.24 MB/sec !!!

-d1
/dev/hdc:
setting using_dma to 1 (on)
HDIO_set_dma failed: Operation not permitted
using_dma    =  0 (off)

-X34
/dev/hdc:
setting xfermode to 34 (multiword DMA mode2)

/dev/hda:
 setting using_dma to 1 (on)
 using_dma    =  0 (off)

hda je 60GB
hdc je 120GB/8MB
ine zariadenia nemam (su vypojene)
firewire, zvuk, USB a ine "kraviny" som na doske vypol

neviem, ci som dobre skompiloval jadro (2.4.21), ale problem je v tom, ze
ziadne nforce opsny som tam nevidel
kto ma zaujem, poslem .config (25KiB)

samozrejme, ked skusam hdparm -d1 /dev/hdx (A aj C), tak id=0=root
DMA_veci som (takmer) vsetky pri kopilacii dal priamo do jadra (a cital
helpy)

Za pomoc vopred vdaka - stroj je pri beznej praci 3-4 userov nepouzitelny!!

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