[linux] Fw: DMA nejde zapnut na 120GB+nforce2

Peter N. Vargo (LTS) konfery na lentus.sk
Úterý Červenec 15 12:03:02 CEST 2003


> Vyriesenie AKEHOKOLVEK problemu s nforce2 a linux:
>
> jadro 2.4.21:
>
> zakompilovat priamo do kernelu:
>
> 1. AMD Viper chipset
>
> 2. i810 zvukovku (ano! vid HELP v menuconfig - resp. google)
>
> (len pokial sa jedna o MCP-T (obsahuje na rozdiel od MCP) aj firewire,
> usb2.0, nvnet (nvidia NIC))
>
> 3. 3com sietovku
>
>
>
> spominany nf2 nemal VGA
>
> potom nie je zaden problem s rychlostou HDD, DMA a hdparm - vsetky
> parametreidu menit
>
> hdparm -t je pri 120GB/8MB Hitachi (IBM) cca 53-57MB (namiesto 2.4-2.8MB!)
>
> linky pre tych, kt. z roznych dovodov nexcu 2.4.21 ale nizsie, popr.
> 2.5.relativne_stare:
>
>
http://www.nvnews.net/vbulletin/showthread.php?s=27b3079438ce9ccf202add9f30f
> b134c&threadid=6946&perpage=25&pagenumber=2
> http://homepage.mac.com/mpeters/A7N8X/
> http://www.linuxquestions.org/questions/archive/18/2003/05/3/51091
> http://www.linuxquestions.org/questions/history/62894
> http://home.t-online.de/home/Johannes.Deisenhofer/nforce2linux.html
> http://homepage.mac.com/mpeters/A7N8X/#files
>
http://download.nvidia.com/XFree86_40/nforce/1.0-0248/NVIDIA_nforce-1.0-0248
> .tar.gz
>
http://download.nvidia.com/XFree86_40/nforce/1.0-0248/readme_nforce-1.0-0248
> .txt
> http://home.t-online.de/home/Johannes.Deisenhofer/nforce2ide.diff
> http://attila.stevens-tech.edu/~dkopko/a7n8x.txt
>
>
>
> logout :)
>
> PNV
>
> > 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!!
> >
> > logout
> > PNV




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