On Thu, Nov 06 2003, Prakash K. Cheemplavam wrote:
bash-2.05b# hdparm -i /dev/hdcHeh indeed, maybe because the archs I use are still at 100. Looksbash-2.05b# hdparm -I /dev/hdc
suspiciously like it's loosing timer interrupts, which would indeed
point to PIO.
-i please
/dev/hdc:
Model=LITE-ON LTR-16102B, FwRev=OS0K, SerialNo=
Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic }
RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0
BuffType=unknown, BuffSize=0kB, MaxMultSect=0
(maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0
IORDY=yes, tPIO={min:227,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 *mdma2
AdvancedPM=no
* signifies the current active mode
The same: dma is active.
Indeed, so you are ysing multiword mode 2. Can you try and do a dd from
the drive, while doing a vmstat 1? Also, does that show the jerky
behaviour?