J.D. Yamokoski wrote:
> Jan Kiszka wrote:
>> J.D. Yamokoski wrote:
>>  
>>> Greetings,
>>>
>>> I have recently run into some trouble trying to boot a custom configed
>>> linux kernel with Adeos. During boot the system seems to have problems
>>> with the SATA hard drives with messages like,
>>>
>>> ata1: slow completion (cmd ef)
>>> ATA: abnormal status 0x0FF
>>> ata1: command 0x25 timeout, stat 0x50 host-stat 0x24
>>>
>>> And then finally towards the end of the boot sequence, I get "ALERT!
>>> /dev/sda3 does not exist. Dropping to a shell!"
>>>
>>> I am using a highly modified config customized for this machine
>>> (Highlights of the config: It excludes a lot of drivers, SMP build, and
>>> both SATA-as-SCSI-driver and the regular PCI IDE driver are enabled.)
>>> Unpatched this customized kernel works fine. And as expected, if I use a
>>> more general config file (one that came with my distro) the Adeos
>>> patched kernel boots normally. Its just the combination of Adeos and
>>> customized config that seems to be the problem. Does anything jump out
>>> at anyone? I have include my config file with this email.
>>>
>>>     
>>
>> What I-pipe patch version are you using?
>>
>> Could you try with CONFIG_PCI_MSI disabled? There has been other reports
>> on MSI issues recently, maybe yours belong to the same group.
>>
>> Thanks,
>> Jan
>>
>>
>> PS: Unrelated to the problem but maybe still interesting: If you plan to
>> use Adeos/I-pipe as a real-time enabler (e.g. with Xenomai), you should
>> switch off CONFIG_ACPI_PROCESSOR, CONFIG_CPU_FREQ, and CONFIG_APM.
>> Recent Xenomai versions should warn you about this fact as well.
>>
>>   
> That seems to have fixed the problem! The new kernel with this disabled
> boots just fine. Thanks!

Well, I wouldn't say "fixed", it works around the bug.

> 
> By the way, I was using I-pipe patch 2.6.15-i386-1.3-07.

Philippe, any news on the MSI issue?

Jan

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