Re: Problem booting 2.6.13 on RHEL 4

["liyu@WAN" <liyu@ccoss.com.cn>]

It seem that kernel have no time to probe your disk, and do not
read parttion table.

I use kernel 2.6.12 and SATA disk on FC3, also failed to boot.
but after some experiment, I found if we place 'sleep 5'
statement between insmod commands in linuxrc or init, it will
boot up!

However, this idea is too HACK.

Maybe, I guest, kernel need some time to probe scsi disk?
but I can not explain that kernel say unresoluting symbol XXXXX
use this reason. 
                                                                                          


May be also, there have one problem in older mkinitrd. but
I looked its source (more roughly), it only include some scriptes.

Any more clear idea on it ??



Rajat Jain wrote:

> Hi list,
>
> I am using RHEL4 distribution, and am trying to boot with vanilla
> 2.6.13 stock kernel. My system has two onboard Adaptec SCSI
> controllers. I am booting using initrd, and passing the correct
> "root=" option. The following message pops up while trying to boot
> with 2.6.13:
>
> Loading scsi_mod.ko module
> Loading sd_mod.ko module
> Loading scsi_transport_spi.ko module
> SCSI subsystem initialized
> Loading aic7xxx.ko module
> Creating root device
> umount /sys failed: 16
> Mounting root filesystem
> Mount: error 6 mounting ext3
> Mount: error 2 mounting none
> Switching to new root
> switchroot: mount failed: 22
> umount /initrd/dev failed: 2
> Kernel panic - not syncing: Attempted to kill init!
>
> When I boot the default kernel supplied with RHEL 4, it boots successfully:
>
> Loading scsi_mod.ko module
> SCSI subsystem initialized
> Loading sd_mod.ko module
> Loading scsi_transport_spi.ko module
> Loading aic7xxx.ko module
> ACPI: PCI interrupt 0000:05:09.0[A] -> GSI 18 (level, low) -> IRQ 201
> ACPI: PCI interrupt 0000:05:09.1[B] -> GSI 19 (level, low) -> IRQ 169
> scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
>        <Adaptec aic7899 Ultra160 SCSI adapter>
>        aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
>
> (scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 126, 16bit)
>  Vendor: HITACHI   Model: DK32CJ-18MW       Rev: JTN1
>  Type:   Direct-Access                      ANSI SCSI revision: 03
> scsi0:A:0:0: Tagged Queuing enabled.  Depth 4
> SCSI device sda: 35520512 512-byte hdwr sectors (18187 MB)
> SCSI device sda: drive cache: write back
> sda: sda1 sda2 sda3 sda4 < sda5 >
> Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
> scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
>        <Adaptec aic7899 Ultra160 SCSI adapter>
>        aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
>
> Can some one please suggest me what could be the problem? I doubt if
> there is any option I need to enable in the kernel configuration?
>
> Any pointers are welcome,
>
> TIA,
>
> Rajat Jain
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