ACPI problems [was: Long boot delay "Mounting Root Filesystem"]

[David Abrahams]

Paul Sladen <ubuntu at paul.sladen.org> writes:

> On Wed, 2 Aug 2006, David Abrahams wrote:
>
>> > I have similar problems with my Fujitsu Siemens S7020D
>> Here's where I see my delay:
>>    [17179578.776000] ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 16 (level, low) -> IRQ 169
>> ** long delay right here **
>>    [17179687.396000] ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 1.5 Gbps 0x1 impl SATA mode
>>    [17179687.396000] ahci 0000:00:1f.2: flags: 64bit ncq pm led clo pio slum part
>>    [17179687.396000] ata1: SATA max UDMA/133 cmd 0xF884C500 ctl 0x0 bmdma 0x0 irq 66
>
> This looks exactly like:
>
>   https://launchpad.net/bugs/52689
>
> can you add your reports there.

Sure; same machine even!  OK, will do.

>> All of these lines were preceded by "Aug 2 09:34:31 localhost
>> kernel:".  I don't know what _that_ means; it sure doesn't reflect
>> real time!
>
> Maybe it's the time in GMT!  :)  

Except that it doesn't change across the long delays.

> 'localhost' is the name of the machine, so
> that when you have logs from lots of computers you can tell which one it
> came from.  

Heh, not very descriptive, eh?  We'll not be able to distinguish the
logs if they all say 'localhost!'

> 'kernel' is the name of the program/service that generated the
> message.

Thanks.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com