Booting Linux: kernel panic

[Alvaro Figueiredo]

I'm not sure if this list is the right forum for my problem because I didn't
isolated it properly. If I'm wrong, please direct me.

I have a Pentium III with an Adaptec AHA-2940U2W (chipset 3860Q, I think)
and a Quantum SCSI HD.

When I installed Conectiva Linux 4.0 (very similar with RedHat 6.0) all
worked fine.

The problem did started when I installed Conectiva Linux 5.0 (similar with
RedHat 6.1). The machine do not boot anymore. Below I copyed the messages
displayed on boot.

I only can boot using the diskette created during installation.

I did tryed many things, without success:

1. Insertion of "linear" option in lilo.conf.

2. Execution of "fdisk /mbr" from Windows.

3. Compilation and installation of aic7xxx module from the older version.

4. Compilation of kernel, linking aic7xxx statically.

If someone can help but, I missed important information, please let me know.
I am trying subscribe this list at this moment. In case I can't get
subscripted in time, I'd like to receive any response at
alvaro at token.com.br, too.

I will be very grateful for any directions.

Alvaro Figueiredo.

-------------------------------------------------------------
...
md driver 0.90.0 MAX_MD_DEVS=256, MAX_REAL=12
raid5: measuring checksumming speed
raid5: MMX detected, trying high speed MMX checksum routines
   pII_mmx   :  1338.072 MB/sec
   p5_mmx    :  1405.509 MB/sec
   8regs     :  1032.129 MB/sec
   32regs    :   578.739 MB/sec
using fastest function: p5_mmx (1405.509 MB/sec)
scsi : 0 hosts.
scsi : detected total.
md.c: sizeof(mdp_super_t) = 4096
Partition check:
RAMDISK: Compressed image found at block 0
autodetecting RAID arrays
autorun ...
... autorun DONE.
VFS: Mounted root (ext2 filesystem).
Loading aic7xxx module
(scsi0) <Adaptec AHA-294X Ultra2 SCSI host adapter> found at PCI 17/0
(scsi0) Wide Channel, SCSI ID=7, 32/255 SCBs
(scsi0) Downloading sequencer code... 385 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.23/3.2.4
       <Adaptec AHA-294X Ultra2 SCSI host adapter>
scsi : 1 host.
(scsi0:0:6:0) Synchronous at 80.0 Mbytes/sec, offset 31.
  Vendor: QUANTUM   Model: ATLAS IV 9 WLS     Rev: 0B0B
  Type:   Direct-Access                       ANSI SCSI revision: 03
Detected SCSI disk sda at scsi0, channel 0, id 6, lun 0
SCSI device sda: hdwr sector= 512 bytes. Sectors= 17942584 [8761 MB] [8.8
GB]
sda: SCSI disk error : host 0 channel 0 id 6 lun 0 return code = 28000002
[valid=0] Info fld=0x0, Current sd08:00: sense key Not Ready
Additional sense indicates Logical unit is in process of becoming ready
scsidisk I/O error: dev 08:00, sector 0
unable to read partition table
autodetecting RAID arrays
autorun ...
... autorun DONE.
VFS: Cannot open root device 08:06
Kernel panic: VFS: Unable to mount root fs on 08:06
-------------------------------------------------------------





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