: 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