[IDE bug] hdparm lockup

From: Andrew Morton (akpm@zip.com.au)
Date: Thu Jul 25 2002 - 00:43:46 EST


2.5.28, uniprocessor

00:0f.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01)

quad:/home/akpm> 0 hdparm -i /dev/hdc

/dev/hdc:
 HDIO_GETGEO_BIG failed: Invalid argument
 (what's this?)

 Model=Maxtor 96147H6, FwRev=ZAH814Y0, SerialNo=V60JT12C
 Config={ Fixed }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
 BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=off
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=120064896
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes: pio0 pio1 pio2 pio3 pio4
 DMA modes: mdma0 mdma1 mdma2 udma0 udma1 *udma2 udma3 udma4 udma5
 Drive Supports : Reserved : ATA-1 ATA-2 ATA-3 ATA-4 ATA-5 ATA-6
 Kernel Drive Geometry LogicalCHS=7473/255/63

The command

        hdparm -d1 -A1 -m16 -u1 -a64 /dev/hdc

freezes the machine.
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