Messages in this thread | | | From | Marko Siladin <> | Subject | Re: 2.2.0pre5/6 IDE disk geometry detection problem | Date | Tue, 12 Jan 1999 10:51:35 -0500 (EST) |
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> > From: marko@207-172-63-169.s169.tnt3.rcm.erols.com (Marko Siladin) > > in 2.1.131 cat /proc/ide/hda/geometry results in: > physical 4092/16/63 > logical 847/128/63 > > in 2.2.0 pre5/6 I get : > physical 4092/16/63 > logical 511/128/63 > > the actual physical geometry of the disk is 6780/16/63 > so both kernels get that one wrng - but at least the 2.1.131 > get the logical correctly (from the BIOS) > > Hmm. Such things can happen. For example, I could imagine > that the BIOS has 847/128/63, CurCHS has 4092/16/63, > and RawCHS and LBAsects have certain suitable values > such that the end result is as you describe above. > Still I would be interested in the results of hdparm -i /dev/hda > and hdparm -I /dev/hda both for 2.1.131 and for 2.2.0 pre5/6. > > Andries - aeb@cwi.nl >
it looks like the results of te hdparm are the same. My guess is that 2.1.131 get the logical params from the BIOS and 2.2.0pre5/6 calculates them from the physical ones. I'll try to set the geometry manually tonight
zaphod# cat /proc/version Linux version 2.1.131 (root@zaphod) (gcc version 2.7.2.3) #3 SMP Wed Dec 23 00:11:54 EST 1998
zaphod# hdparm -i /dev/hda
/dev/hda:
Model=FUJITSU MPA3035ATU, FwRev=9517, SerialNo=01113969 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } RawCHS=4092/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=0(?), BuffSize=0kB, MaxMultSect=32, MultSect=32 DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow) CurCHS=4092/16/63, CurSects=4124736, LBA=yes, LBAsects=4124736 tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2 IORDY=yes, tPIO={min:240,w/IORDY:120}, PIO modes: mode3 mode4
zaphod# hdparm -I /dev/hda
/dev/hda:
Model=UFIJST UPM3A30A5UT , FwRev=5971 , SerialNo= Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } RawCHS=4092/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=0(?), BuffSize=0kB, MaxMultSect=32, MultSect=32 DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow) CurCHS=4092/16/63, CurSects=4124736, LBA=yes, LBAsects=4124736 tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2 IORDY=yes, tPIO={min:240,w/IORDY:120}, PIO modes: mode3 mode4
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zaphod# cat /proc/version Linux version 2.2.0-pre6 (root@zaphod) (gcc version 2.7.2.3) #9 SMP Sat Jan 9 23:41:54 EST 1999
zaphod# hdparm -i /dev/hda
/dev/hda:
Model=FUJITSU MPA3035ATU, FwRev=9517, SerialNo=01113969 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } RawCHS=4092/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=0(?), BuffSize=0kB, MaxMultSect=32, MultSect=off DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow) CurCHS=511/128/63, CurSects=4124736, LBA=yes, LBAsects=4124736 tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2 IORDY=yes, tPIO={min:240,w/IORDY:120}, PIO modes: mode3 mode4
zaphod# hdparm -I /dev/hda
/dev/hda:
Model=UFIJST UPM3A30A5UT , FwRev=5971 , SerialNo= Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } RawCHS=4092/16/63, TrkSize=0, SectSize=0, ECCbytes=4 BuffType=0(?), BuffSize=0kB, MaxMultSect=32, MultSect=?0? DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow) CurCHS=4092/16/63, CurSects=4124736, LBA=yes, LBAsects=4124736 tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2 IORDY=yes, tPIO={min:240,w/IORDY:120}, PIO modes: mode3 mode4
-- ...Marko ------------------------///////////-\\\\\\\\\\\-------------------------- (O) ^ ^ (O) If you are going to reinvent Marko Siladin | | | the wheel, don't make it a square msiladin@athos.mas.vcu.edu \ / - John Carmack, id Software http://athos.mas.vcu.edu/grad/marko/home.html ------------------------\\\\\\\\\\\-///////////--------------------------
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