[CentOS] strange problem on regconizing /dev/sda and /dev/hda

Ceg Ryan cegryan at gmail.com
Mon Jun 27 02:20:51 UTC 2005


I got it run by skipping the probe of ide0, it works as /dev/sdaX
But It is really strange.

 On 6/26/05, Johnny Hughes <mailing-lists at hughesjr.com> wrote: 
> 
> On Sun, 2005-06-26 at 14:58 +0800, Ceg Ryan wrote:
> > I installed a 4.1 x86_64 with kernel 2.6.9-11.ELsmp (rpm) initially.
> > My box is tyan 5350 and a SATA harddisk
> > The install was successful and the harddisk was detected as /dev/sdaX
> >
> > But strangely, when I first reboot my machine. The harddisk change
> > to /dev/hdaX
> >
> > What is the problem ?
> >
> > Below are some of dmesg output
> >
> > hda: WDC WD1200JD-00HBB0, ATA DISK drive
> > Probing IDE interface ide1...
> > Probing IDE interface ide2...
> > Probing IDE interface ide3...
> > Probing IDE interface ide4...
> > Probing IDE interface ide5...
> > Using cfq io scheduler
> > ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> > hda: max request size: 1024KiB
> > hda: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=16383/255/63
> > hda: cache flushes supported
> > hda: hda1 hda2 hda3 hda4 < hda5 >
> > ide-floppy driver 0.99.newide
> > usbcore: registered new driver hiddev
> > usbcore: registered new driver usbhid
> > drivers/usb/input/hid-core.c: v2.0:USB HID core driver
> > mice: PS/2 mouse device common for all mice
> > md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
> > NET: Registered protocol family 2
> > IP: routing cache hash table of 2048 buckets, 112Kbytes
> > TCP: Hash tables configured (established 524288 bind 37449)
> > Initializing IPsec netlink socket
> > NET: Registered protocol family 1
> > NET: Registered protocol family 17
> > ACPI: (supports S0 S1 S5)
> > ACPI wakeup devices:
> > PCE0 PCE1 PCIX PCIB USB1 USB2 USBE KBC0 MSE0
> > Freeing unused kernel memory: 164k freed
> > SCSI subsystem initialized
> > libata version 1.10 loaded.
> > ata_piix version 1.03
> > ACPI: PCI interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 193
> > ata: 0x1f0 IDE port busy
> > PCI: Setting latency timer of device 0000:00:1f.2 to 64
> > ata1: SATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0x1478 irq 15
> > ata1: SATA port has no device.
> > scsi0 : ata_piix
> > _______________________________________________
> 
> Are you able to use the machine?
> 
> (Seems like it is booted, if you have a dmesg)
> 
> I have never seen this specifically, but I don't have that board or even
> that controller (Intel 6300ESB).
> 
> Looks like there is a difference in the way the SMP kernel sees the
> machine as compared to the non-smp kernel.
> 
> 
> BodyID:8823902.2.n.logpart (stored separately)
> 
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> 
> 
>
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