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: 저두 그...hdparm 한번 해봤습니다...
: man 도 읽어가면서 했더니...금방 금방은 안됐지만..헤...
: 
: 시스템 사양...
: amd k6-3 400
: 128 mem
: ibm 10G dma33
: ms-5169
: 
[...]
: [root@miru bin]# cat /proc/cpuinfo
: processor       : 0
: vendor_id       : AuthenticAMD
: cpu family      : 5
: model           : 9
: model name      : AMD-K6(tm) 3D+ Processor
: stepping        : 1
: cpu MHz         : 400.919844
: fdiv_bug        : no
: hlt_bug         : no
: sep_bug         : no
: f00f_bug        : no
: coma_bug        : no
: fpu             : yes
: fpu_exception   : yes
: cpuid level     : 1
: wp              : yes
: flags           : fpu vme de pse tsc msr mce cx8 sep mtrr pge mmx 3dnow
: bogomips        : 799.54
: 
: [root@miru bin]# /sbin/hdparm -it /dev/hda
: 
: /dev/hda:
: 
:  Model=IBM-DTTA-351010, FwRev=T56OA73A, SerialNo=WF0KFV58495
:  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
:  RawCHS=19650/16/63, TrkSize=0, SectSize=0, ECCbytes=34
:  BuffType=3(DualPortCache), BuffSize=466kB, MaxMultSect=16, MultSect=off
:  DblWordIO=no, OldPIO=2, DMA=yes, OldDMA=2
:  CurCHS=1232/255/63, CurSects=1004536110, LBA=yes, LBAsects=19807200
:  tDMA={min:120,rec:120}, DMA modes: sword0 sword1 sword2 mword0 mword1 mword2 
:  IORDY=on/off, tPIO={min:240,w/IORDY:120}, PIO modes: mode3 mode4 
:  UDMA modes: mode0 mode1 *mode2 
: 
:  Timing buffered disk reads:  64 MB in  8.95 seconds =  7.15 MB/sec
: [root@miru /sbin]# ./hdparm -c1 -d1 /dev/hda
: 
: 
: /dev/hda:
:  setting 32-bit I/O support flag to 1
:  setting using_dma to 1 (on)
:  HDIO_SET_DMA failed: 명령이 허용되지 않음
:  I/O support  =  1 (32-bit)
:  using_dma    =  0 (off)
: [root@miru /sbin]# /sbin/hdparm -it /dev/hda
:

I/O는 32비트로 설정되었지만, using_dma 가 꺼져있네요.
이게 허용이 되지 않는다는 것은 ???

커널을 혹시 다시 설치하셨나요 ? dma bus mastering 인가를 설정하시고
컴파일하셔야 합니당... 확인해보시기를

[...]

--
"온갖 참된 삶은 만남이다" -- 마르틴부버