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Date: Thu, 8 Aug 2002 11:03:41 +0200 (CEST)
From: Ingo Molnar <mingo@elte.hu>
Reply-To: Ingo Molnar <mingo@elte.hu>
To: martin@dalecki.de
Cc: Andries.Brouwer@cwi.nl, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       <linux-kernel@vger.kernel.org>
Subject: Re: [bug, 2.5.29, (not IDE)] partition table (not) corruption?
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On Thu, 8 Aug 2002, Marcin Dalecki wrote:

> If you look at the boot messages from a kernel:
> 
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
>   hda: 78140160 sectors, CHS=77520/16/63, UDMA(33)
>   hda: hda1 hda4
> 
> You can actually see the CHS info field.

okay, here are the 2.4.18(-ish) and 2.5.30 CHS fields:

ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: 8418816 sectors (4310 MB) w/80KiB Cache, CHS=524/255/63, UDMA(33)
hdc: 40132503 sectors (20548 MB) w/1900KiB Cache, CHS=39813/16/63, UDMA(33)
hdb: ATAPI 32X CD-ROM CD-R/RW drive, 2048kB Cache

hda: QUANTUM FIREBALL SE4.3A, DISK drive
hdb: RICOH CD-R/RW MP7083A, ATAPI CD/DVD-ROM drive
hdc: QUANTUM FIREBALLP LM20.5, DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
 hda: 8418816 sectors w/80KiB Cache, CHS=14848/9/63, UDMA(33)
 hda: hda1 hda2 < hda5 hda6 >
 hdc: 40132503 sectors w/1900KiB Cache, CHS=39813/16/63, UDMA(33)
 hdc: hdc1
hdb: Disabling (U)DMA for RICOH CD-R/RW MP7083A
hdb: DMA disabled
hdb: ATAPI 32X CD-ROM CD-R/RW drive, 2048kB Cache

i have the bootlogs of this system back to 2.5.25 only, which also shows
the wrong(?) CHS:

Linux version 2.5.25 (mingo@mars) (gcc version 2.96 20000731 (Red Hat Linux 7.2
2.96-101.9)) #3 SMP Tue Jul 9 21:12:18 CEST 2002

hda: QUANTUM FIREBALL SE4.3A, DISK drive
hdb: RICOH CD-R/RW MP7083A, ATAPI CD/DVD-ROM drive
hdc: QUANTUM FIREBALLP LM20.5, DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
 hda: 8418816 sectors w/80KiB Cache, CHS=14848/9/63
 hda: [PTBL] [524/255/63] hda1 hda2 < hda5 hda6 >
 hdc: 40132503 sectors w/1900KiB Cache, CHS=39813/16/63
 hdc: hdc1

	Ingo

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