Continuing the saga: F9alpha AMD-64 HP DC7700 SFF switch_root: no filesystems

[John Summerfield]

Michal Jaegermann wrote:
> On Mon, Mar 17, 2008 at 02:40:58PM +0900, John Summerfield wrote:
>> Michal Jaegermann wrote:
>>> On Mon, Mar 17, 2008 at 11:52:41AM +0900, John Summerfield wrote:
>>>> .3 finds the drives, rc1 does not. That's about as far as I can go until 
>>>> someone else has something to try.
>>> Did you try 'pci=nomsi'? Does it make any difference?
>> With this system, at f8test<n>, it was the only way to boot. I've never 
>> removed it.
> 
> Ah, in that case did you try to remove it with newer kernels?
> Most likely this will not change anything here but just for a check.

When I looked, the solution to my problem with 'pci=nomsi' etc was to 
build the kernel without the support it turns off. Therefore, omitting 
pci= will do either do nothing, or enable support for MSI and MMCONF 
that I don't need.

When I hand-built my test kernels, I chose as best I could what I might 
actually need should it run and omitted anything that I did not think 
likely to work. I have checked, they are not configured.

Besides, _that_ problem occurs very early, when it's looking at ACPI and 
way before it examines my IDE/ATA hardware.

THe problem is that, while it can reliably find my SATA DVD burner, it 
can also reliably not find my two SATA disks. _I_ wonder about the 
"scsi" stuff. Here's the difference:
Linux version 2.6.25.rc1js (root at potoroo.demo.lan) (gcc version 4.3.0 
20080307 (Red Hat 4.3.0-2) (GCC) ) #2 SMP PREEMPT Mon Mar 17 09:43:03 
WST 2008
Linux Plug and Play Support v0.97 (c) Adam Belay
Linux agpgart interface v0.103
scsi0 : ata_piix
scsi1 : ata_piix
scsi 1:0:0:0: CD-ROM            PIONEER  DVD-RW  DVR-212  1.21 PQ: 0 ANSI: 5
Linux version 2.6.24.3js (root at potoroo.demo.lan) (gcc version 4.3.0 
20080307 (Red Hat 4.3.0-2) (GCC) ) #2 SMP PREEMPT Mon Mar 17 08:02:06 
WST 2008
Linux Plug and Play Support v0.97 (c) Adam Belay
Linux agpgart interface v0.102
scsi0 : ata_piix
scsi1 : ata_piix
scsi 0:0:0:0: Direct-Access     ATA      ST3320620AS      3.AA PQ: 0 ANSI: 5
scsi 0:0:1:0: Direct-Access     ATA      WDC WD5000AAKS-0 12.0 PQ: 0 ANSI: 5
scsi 1:0:0:0: CD-ROM            PIONEER  DVD-RW  DVR-212  1.21 PQ: 0 ANSI: 5
09:56 [summer at numbat ~]$





Whether MSI is implemented in my hardware or not, it does work without 
it - otherwise one couldn't install Windows, and the Linux kernels that 
do run would not.

On the basis that they don't work and that /boot was stuffed full of 
junk, I've removed most of the kernels and cleaned up menu.lst so well I 
had some difficulty booting:-)


-- 

Cheers
John

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